mirror of
https://github.com/forth-ev/VolksForth.git
synced 2024-06-01 06:41:37 +00:00
4225 lines
91 KiB
Plaintext
Executable File
4225 lines
91 KiB
Plaintext
Executable File
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ende 123
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\ cs08aucas
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forth definitions
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: (C [compile] ( ; IMMEDIATE \ : ) ; IMMEDIATE
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include assemble.scr 2 loadfrom as65.scr include crostarg.scr
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$2000 DISPLACE !
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TARGET DEFINITIONS $2000 HERE!
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hex
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&01 &126 +THRU
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decimal
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\ ASSEMBLER NONRELOCATE
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.UNRESOLVED
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CR .( SAVE-TARGET 6502-FORTH83)
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\ FORTH PREAMBLE AND ID 10JAN85BP) er14dez88
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ASSEMBLER
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NOP 0 JMP HERE 2- >LABEL >COLD
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NOP 0 JMP HERE 2- >LABEL >RESTART
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HERE DUP ORIGIN!
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\ HIER BEGINNEN DIE KALTSTARTWERTE DER cs09aug05
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\ BENUTZERVARIABLEN
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0 JMP 0 JSR HERE 2- >LABEL >WAKE
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END-CODE
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0D6 ALLOT
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," VOLKSFORTH-83 3.5 COMPILED 09AUG05CS"
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\ ZERO PAGE VARIABLES & NEXT 03APR85BP) cs09aug05
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A0 DUP >LABEL RP 2+ .( 02 durch 8E ersetzt )
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DUP >LABEL UP 2+
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DUP >LABEL PUTA 1+
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DUP >LABEL SP 2+
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DUP >LABEL NEXT
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DUP 5 + >LABEL IP
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13 + >LABEL W
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W 8 + >LABEL N
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\ NEXT, MOVED INTO ZERO PAGE 08APR85BP)
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LABEL BOOTNEXT
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-1 STA \ -1 IS DUMMY SP
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IP )Y LDA W 1+ STA
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-1 LDA W STA \ -1 IS DUMMY IP
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CLC IP LDA 2 # ADC IP STA
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CS NOT ?[ LABEL WJMP -1 ) JMP ]?
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IP 1+ INC WJMP BCS END-CODE
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\
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HERE BOOTNEXT - >LABEL BOOTNEXTLEN
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CODE END-TRACE ( PATCH NEXT FOR TRACE )
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0A5 # LDA NEXT 0A + STA
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IP # LDA NEXT 0B + STA
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069 # LDA NEXT 0C + STA
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02 # LDA NEXT 0D + STA
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NEXT JMP END-CODE
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\ ;C: NOOP 24MAY84KS)
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CREATE RECOVER ASSEMBLER
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PLA W STA PLA W 1+ STA
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W WDEC 0 JMP END-CODE
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HERE 2- >LABEL >RECOVER
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\ HANDGESTRICKTE VORWAERTS REFERENZ FUER
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\ DEN JMP-BEFEHL
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COMPILER ASSEMBLER ALSO DEFINITIONS
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H : ;C: 0 T RECOVER JSR
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END-CODE ] H ;
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TARGET
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CODE NOOP NEXT HERE 2- ! END-CODE
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\ USER VARIABLES 17MAR84KS) er14dez88
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CONSTANT ORIGIN 8 UALLOT DROP
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\ FOR MULTITASKER
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USER S0 $5000 S0 ! USER R0 $5500 R0 !
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USER DP USER OFFSET 0 OFFSET !
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USER BASE &10 BASE ! USER OUTPUT
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USER INPUT
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USER ERRORHANDLER \ POINTER FOR ABORT" -CODE
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USER VOC-LINK
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USER UDP \ POINTS TO NEXT FREE ADDR IN USER
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\ MANIPULATE SYSTEM POINTERS 29JAN85BP)
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CODE SP@ ( -- ADDR)
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SP LDA N STA SP 1+ LDA N 1+ STA
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N # LDX
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LABEL XPUSH
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SP 2DEC 1 ,X LDA SP )Y STA
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0 ,X LDA 0 # LDX PUTA JMP END-CODE
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CODE SP! ( ADDR --)
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SP X) LDA TAX SP )Y LDA
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SP 1+ STA SP STX 0 # LDX
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NEXT JMP END-CODE
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\
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CODE UP@ ( -- ADDR)
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UP # LDX XPUSH JMP END-CODE
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CODE UP! ( ADDR --) UP # LDX
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LABEL XPULL SP )Y LDA 1 ,X STA
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DEY SP )Y LDA 0 ,X STA
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LABEL (XYDROP 0 # LDX 1 # LDY
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LABEL (DROP SP 2INC NEXT JMP
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END-CODE RESTRICT
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\ MANIPULATE RETURNSTACK 16FEB85BP/KS)
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CODE RP@ ( -- ADDR )
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RP # LDX XPUSH JMP END-CODE
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CODE RP! ( ADDR -- )
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RP # LDX XPULL JMP END-CODE RESTRICT
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CODE >R ( 16B -- )
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RP 2DEC SP X) LDA RP X) STA
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SP )Y LDA RP )Y STA (DROP JMP
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END-CODE RESTRICT
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\
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CODE R> ( -- 16B)
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SP 2DEC RP X) LDA SP X) STA
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RP )Y LDA SP )Y STA
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LABEL (RDROP 2 # LDA
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LABEL (NRDROP CLC RP ADC RP STA
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CS ?[ RP 1+ INC ]?
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NEXT JMP END-CODE RESTRICT
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\ R@ RDROP EXIT ?EXIT 08APR85BP)
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CODE R@ ( -- 16B)
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SP 2DEC RP )Y LDA SP )Y STA
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RP X) LDA PUTA JMP
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END-CODE
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CODE RDROP (RDROP HERE 2- !
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END-CODE RESTRICT
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CODE EXIT
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RP X) LDA IP STA
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RP )Y LDA IP 1+ STA
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(RDROP JMP END-CODE
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\ EXECUTE PERFORM 08APR85BP)
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CODE ?EXIT ( FLAG -- )
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SP X) LDA SP )Y ORA
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PHP SP 2INC PLP
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' EXIT @ BNE NEXT JMP
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END-CODE
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CODE EXECUTE ( ADDR --)
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SP X) LDA W STA
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SP )Y LDA W 1+ STA
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SP 2INC W 1- JMP END-CODE
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: PERFORM ( ADDR -- ) @ EXECUTE ;
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\ C@ C! CTOGGLE 10JAN85BP)
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CODE C@ ( ADDR -- 8B)
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SP X) LDA N STA SP )Y LDA N 1+ STA
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LABEL (C@ 0 # LDA SP )Y STA
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N X) LDA PUTA JMP END-CODE
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CODE C! ( 16B ADDR --)
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SP X) LDA N STA SP )Y LDA N 1+ STA
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INY SP )Y LDA N X) STA DEY
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LABEL (2DROP
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SP LDA CLC 4 # ADC SP STA
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CS ?[ SP 1+ INC ]?
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NEXT JMP END-CODE
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\ @ ! +! 08APR85BP) er14dez88
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: CTOGGLE ( 8B ADDR --) UNDER C@ XOR SWAP C! ;
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CODE @ ( ADDR -- 16B)
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SP X) LDA N STA SP )Y LDA N 1+ STA
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N )Y LDA SP )Y STA
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N X) LDA PUTA JMP END-CODE
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CODE ! ( 16B ADDR --)
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SP X) LDA N STA SP )Y LDA N 1+ STA
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INY SP )Y LDA N X) STA
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INY SP )Y LDA 1 # LDY
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LABEL (!
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N )Y STA (2DROP JMP END-CODE
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\ DROP SWAP 24MAY84KS)
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CODE +! ( N ADDR --)
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SP X) LDA N STA SP )Y LDA N 1+ STA
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INY SP )Y LDA CLC N X) ADC N X) STA
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INY SP )Y LDA 1 # LDY N )Y ADC
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(! JMP END-CODE
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CODE DROP ( 16B --)
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(DROP HERE 2- ! END-CODE
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\
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CODE SWAP ( 16B1 16B2 -- 16B2 16B1 )
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SP )Y LDA TAX
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3 # LDY SP )Y LDA N STA
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TXA SP )Y STA
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N LDA 1 # LDY SP )Y STA
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INY 0 # LDX
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SP )Y LDA N STA SP X) LDA SP )Y STA
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DEY
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N LDA PUTA JMP END-CODE
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\ DUP ?DUP 08MAY85BP)
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CODE DUP ( 16B -- 16B 16B)
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SP 2DEC
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3 # LDY SP )Y LDA 1 # LDY SP )Y STA
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INY SP )Y LDA DEY
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PUTA JMP END-CODE
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CODE ?DUP ( 16B -- 16B 16B / FALSE)
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SP X) LDA SP )Y ORA
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0= ?[ NEXT JMP ]?
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' DUP @ JMP END-CODE
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\\ : ?DUP ( 16B -- 16B 16B / FALSE)
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DUP IF DUP THEN ;
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: DUP SP@ @ ;
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\ OVER ROT 13JUN84KS)
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CODE OVER ( 16B1 16B2 - 16B1 16B3 16B1)
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SP 2DEC 4 # LDY SP )Y LDA SP X) STA
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INY SP )Y LDA 1 # LDY SP )Y STA
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NEXT JMP END-CODE
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\\ : ROT >R SWAP R> SWAP ;
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: OVER >R DUP R> SWAP ;
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\ er14dez88
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CODE ROT ( 16B1 16B2 16B3 -- 16B2 16B3 16B1)
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3 # LDY SP )Y LDA N 1+ STA
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1 # LDY SP )Y LDA 3 # LDY SP )Y STA
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5 # LDY SP )Y LDA N STA
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N 1+ LDA SP )Y STA
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1 # LDY N LDA SP )Y STA
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INY SP )Y LDA N 1+ STA
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SP X) LDA SP )Y STA
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4 # LDY SP )Y LDA SP X) STA
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N 1+ LDA SP )Y STA
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1 # LDY NEXT JMP END-CODE
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\ -ROT NIP UNDER PICK ROLL 24DEC83KS)
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: -ROT ( 16B1 16B2 16B3 -- 16B3 16B1 16B2)
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ROT ROT ;
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: NIP ( 16B1 16B2 -- 16B2) SWAP DROP ;
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: UNDER ( 16B1 16B2 -- 16B2 16B1 16B2) SWAP OVER ;
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: PICK ( N -- 16B.N ) 1+ 2* SP@ + @ ;
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: ROLL ( N --) DUP >R PICK SP@ DUP 2+ R> 1+ 2* CMOVE> DROP ;
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\\ : -ROLL ( N --)
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>R DUP SP@ DUP 2+ DUP 2+ SWAP
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R@ 2* CMOVE R> 1+ 2* + ! ;
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\ DOUBLE WORD STACK MANIP. 21APR83KS)
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: 2SWAP ( 32B1 32B2 -- 32B2 32B1) ROT >R ROT R> ;
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CODE 2DROP ( 32B -- )
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(2DROP HERE 2- ! END-CODE
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: 2DUP ( 32B -- 32B 32B) OVER OVER ;
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\ : 2DROP ( 32B -- ) DROP DROP ;
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\ + AND OR XOR 08APR85BP)
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COMPILER ASSEMBLER ALSO DEFINITIONS
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H : DYADOP ( OPCODE --) T
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INY SP X) LDA DUP C, SP C, SP )Y STA
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DEY SP )Y LDA 3 # LDY C, SP C, SP )Y STA
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(XYDROP JMP H ;
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TARGET
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CODE + ( N1 N2 -- N3) CLC 071 DYADOP END-CODE
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CODE OR ( 16B1 16B2 -- 16B3) 011 DYADOP END-CODE
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CODE AND ( 16B1 16B2 -- 16B3) 031 DYADOP END-CODE
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CODE XOR ( 16B1 16B2 -- 16B3) 051 DYADOP END-CODE
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\ - NOT NEGATE 24DEC83KS)
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CODE - ( N1 N2 -- N3)
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INY SP )Y LDA SEC SP X) SBC SP )Y STA INY SP )Y LDA
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1 # LDY SP )Y SBC 3 # LDY SP )Y STA (XYDROP JMP END-CODE
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CODE NOT ( 16B1 -- 16B2) CLC
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LABEL (NOT TXA SP X) SBC SP X) STA TXA SP )Y SBC SP )Y STA
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NEXT JMP END-CODE
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CODE NEGATE ( N1 -- N2 ) SEC (NOT BCS END-CODE
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\ : - NEGATE + ;
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\ DNEGATE SETUP D+ 14JUN84KS)
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CODE DNEGATE ( D1 -- -D1)
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INY SEC
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TXA SP )Y SBC SP )Y STA INY
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TXA SP )Y SBC SP )Y STA
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TXA SP X) SBC SP X) STA 1 # LDY
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TXA SP )Y SBC SP )Y STA
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NEXT JMP END-CODE
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LABEL SETUP ( QUAN IN A)
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.A ASL TAX TAY DEY
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[[ SP )Y LDA N ,Y STA DEY 0< ?]
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TXA CLC SP ADC SP STA
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CS ?[ SP 1+ INC ]?
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0 # LDX 1 # LDY RTS END-CODE
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\
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CODE D+ ( D1 D2 -- D3)
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2 # LDA SETUP JSR INY
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SP )Y LDA CLC N 2+ ADC SP )Y STA INY
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SP )Y LDA N 3 + ADC SP )Y STA
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SP X) LDA N ADC SP X) STA 1 # LDY
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SP )Y LDA N 1+ ADC SP )Y STA
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NEXT JMP END-CODE
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\ 1+ 2+ 3+ 1- 2- 08APR85BP)
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CODE 1+ ( N1 -- N2) 1 # LDA
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LABEL N+ CLC SP X) ADC
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CS NOT ?[ PUTA JMP ]?
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SP X) STA SP )Y LDA 0 # ADC SP )Y STA
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NEXT JMP END-CODE
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CODE 2+ ( N1 -- N2) 2 # LDA N+ BNE END-CODE
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CODE 3+ ( N1 -- N2) 3 # LDA N+ BNE END-CODE
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| CODE 4+ ( N1 -- N2) 4 # LDA N+ BNE END-CODE
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| CODE 6+ ( N1 -- N2) 6 # LDA N+ BNE END-CODE
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\ NUMBER CONSTANTS 24DEC83KS)
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CODE 1- ( N1 -- N2) SEC
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LABEL (1- SP X) LDA 1 # SBC
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CS ?[ PUTA JMP ]?
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SP X) STA SP )Y LDA 0 # SBC SP )Y STA
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NEXT JMP END-CODE
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CODE 2- ( N1 -- N2) CLC (1- BCC END-CODE
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-1 CONSTANT TRUE 0 CONSTANT FALSE
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' TRUE ALIAS -1 ' FALSE ALIAS 0
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1 CONSTANT 1 2 CONSTANT 2
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3 CONSTANT 3 4 CONSTANT 4
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: ON ( ADDR -- ) TRUE SWAP ! ;
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: OFF ( ADDR -- ) FALSE SWAP ! ;
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\ WORDS FOR NUMBER LITERALS 24MAY84KS) cs08aug05
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CODE CLIT ( -- 8B)
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SP 2DEC IP X) LDA SP X) STA TXA SP )Y STA IP WINC
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NEXT JMP END-CODE RESTRICT
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CODE LIT ( -- 16B)
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SP 2DEC IP )Y LDA SP )Y STA IP X) LDA SP X) STA
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LABEL (BUMP IP 2INC NEXT JMP END-CODE RESTRICT
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: LITERAL ( 16B --) DUP 0FF00 AND
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IF COMPILE LIT , EXIT THEN COMPILE CLIT C, ;
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IMMEDIATE RESTRICT
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\\ : LIT R> DUP 2+ >R @ ;
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: CLIT R> DUP 1+ >R C@ ;
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\ COMPARISION CODE WORDS 13JUN84KS)
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CODE 0< ( N -- FLAG) SP )Y LDA 0< ?[
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LABEL PUTTRUE 0FF # LDA 024 C, ]?
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LABEL PUTFALSE TXA SP )Y STA
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PUTA JMP END-CODE
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CODE 0= ( 16B -- FLAG)
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SP X) LDA SP )Y ORA PUTTRUE BEQ PUTFALSE BNE END-CODE
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CODE UWITHIN ( U1 [LOW UP[ -- FLAG)
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2 # LDA SETUP JSR 1 # LDY SP X) LDA N CMP
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SP )Y LDA N 1+ SBC
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CS NOT ?[ ( N>SP) SP X) LDA N 2+ CMP
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SP )Y LDA N 3 + SBC
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PUTTRUE BCS ]?
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PUTFALSE JMP END-CODE
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\ COMPARISION CODE WORDS 13JUN84KS)
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CODE < ( N1 N2 -- FLAG)
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SP X) LDA N STA SP )Y LDA N 1+ STA
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SP 2INC
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N 1+ LDA SP )Y EOR ' 0< @ BMI
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SP X) LDA N CMP SP )Y LDA N 1+ SBC
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' 0< @ 2+ JMP END-CODE
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CODE U< ( U1 U2 -- FLAG)
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SP X) LDA N STA SP )Y LDA N 1+ STA
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SP 2INC
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SP X) LDA N CMP SP )Y LDA N 1+ SBC
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CS NOT ?[ PUTTRUE JMP ]?
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PUTFALSE JMP END-CODE
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\ COMPARISION WORDS 24DEC83KS)
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| : 0< 8000 AND 0<> ;
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: > ( N1 N2 -- FLAG) SWAP < ;
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: 0> ( N -- FLAG) NEGATE 0< ;
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: 0<> ( N -- FLAG) 0= NOT ;
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: U> ( U1 U2 -- FLAG) SWAP U< ;
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: = ( N1 N2 -- FLAG) - 0= ;
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: D0= ( D -- FLAG) OR 0= ;
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: D= ( D1 D2 -- FLAG) DNEGATE D+ D0= ;
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: D< ( D1 D2 -- FLAG) ROT 2DUP -
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IF > NIP NIP ELSE 2DROP U< THEN ;
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\ MIN MAX UMAX UMIN EXTEND DABS ABS KS)
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| : MINIMAX ( N1 N2 FLAG -- N3)
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RDROP IF SWAP THEN DROP ;
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: MIN ( N1 N2 -- N3) 2DUP > MINIMAX ; -2 ALLOT
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: MAX ( N1 N2 -- N3) 2DUP < MINIMAX ; -2 ALLOT
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: UMAX ( U1 U2 -- U3) 2DUP U< MINIMAX ; -2 ALLOT
|
|
: UMIN ( U1 U2 -- U3) 2DUP U> MINIMAX ; -2 ALLOT
|
|
|
|
: EXTEND ( N -- D) DUP 0< ;
|
|
|
|
: DABS ( D -- UD) EXTEND IF DNEGATE THEN ;
|
|
: ABS ( N -- U) EXTEND IF NEGATE THEN ;
|
|
|
|
|
|
\ LOOP PRIMITIVES 08FEB85BP/KS)
|
|
|
|
| : DODO RDROP R> 2+ DUP >R ROT >R SWAP >R >R ;
|
|
|
|
|
|
: (DO ( LIMIT STAR -- ) OVER - DODO ; -2 ALLOT RESTRICT
|
|
|
|
: (?DO ( LIMIT START -- )
|
|
OVER - ?DUP IF DODO THEN R> DUP @ + >R DROP ; RESTRICT
|
|
|
|
: BOUNDS ( START COUNT -- LIMIT START ) OVER + SWAP ;
|
|
|
|
CODE ENDLOOP 6 # LDA (NRDROP JMP END-CODE RESTRICT
|
|
|
|
\\ DODO PUTS "INDEX \ LIMIT \
|
|
ADR.OF.DO" ON RETURN-STACK
|
|
\ (LOOP (+LOOP 08APR85BP)
|
|
CODE (LOOP
|
|
CLC 1 # LDA RP X) ADC RP X) STA
|
|
CS ?[ RP )Y LDA 0 # ADC RP )Y STA
|
|
CS ?[ NEXT JMP ]? ]?
|
|
LABEL DOLOOP 5 # LDY
|
|
RP )Y LDA IP 1+ STA DEY
|
|
RP )Y LDA IP STA 1 # LDY
|
|
NEXT JMP END-CODE RESTRICT
|
|
|
|
CODE (+LOOP
|
|
CLC SP X) LDA RP X) ADC RP X) STA
|
|
SP )Y LDA RP )Y ADC RP )Y STA
|
|
.A ROR SP )Y EOR
|
|
PHP SP 2INC PLP DOLOOP BPL
|
|
NEXT JMP END-CODE RESTRICT
|
|
\ LOOP INDICES 08APR85BP)
|
|
|
|
CODE I ( -- N) 0 # LDY
|
|
LABEL LOOPINDEX SP 2DEC CLC
|
|
RP )Y LDA INY INY
|
|
RP )Y ADC SP X) STA DEY
|
|
RP )Y LDA INY INY
|
|
RP )Y ADC 1 # LDY SP )Y STA
|
|
NEXT JMP END-CODE RESTRICT
|
|
|
|
CODE J ( -- N)
|
|
6 # LDY LOOPINDEX BNE
|
|
END-CODE RESTRICT
|
|
|
|
|
|
|
|
\ BRANCHING 24DEC83KS)
|
|
|
|
CODE BRANCH
|
|
CLC IP LDA IP X) ADC N STA
|
|
IP 1+ LDA IP )Y ADC IP 1+ STA N LDA IP STA
|
|
NEXT JMP END-CODE RESTRICT
|
|
|
|
CODE ?BRANCH
|
|
SP X) LDA SP )Y ORA PHP SP 2INC PLP
|
|
' BRANCH @ BEQ (BUMP JMP END-CODE RESTRICT
|
|
|
|
\\ : BRANCH R> DUP @ + >R ; RESTRICT
|
|
|
|
: ?BRANCH
|
|
0= R> OVER NOT OVER 2+ AND -ROT
|
|
DUP @ + AND OR >R ; RESTRICT
|
|
\ RESOLVE LOOPS AND BRANCHES 03FEB85BP)
|
|
|
|
: >MARK ( -- ADDR) HERE 0 , ;
|
|
|
|
: >RESOLVE ( ADDR --) HERE OVER - SWAP ! ;
|
|
|
|
: <MARK ( -- ADDR) HERE ;
|
|
|
|
: <RESOLVE ( ADDR --) HERE - , ;
|
|
|
|
: ?PAIRS ( N1 N2 -- ) - ABORT" UNSTRUCTURED" ;
|
|
|
|
|
|
|
|
|
|
|
|
\ CASE? 04MAY85BP)
|
|
|
|
LABEL PUSHA
|
|
0 # CMP 0< ?[ PHA 0FF # LDA ][
|
|
LABEL PUSH0A PHA 0 # LDA ]?
|
|
LABEL PUSH TAX SP 2DEC
|
|
TXA 1 # LDY SP )Y STA
|
|
PLA 0 # LDX PUTA JMP
|
|
|
|
CODE CASE?
|
|
( 16B1 16B2 -- 16B1 FALSE / TRUE )
|
|
1 # LDA SETUP JSR N LDA SP X) CMP
|
|
0= ?[ N 1+ LDA SP )Y CMP 0= ?[ PUTTRUE JMP ]? ]?
|
|
TXA PUSH0A JMP END-CODE
|
|
\\ : CASE?
|
|
( 16B1 16B2 -- 16B1 FALSE / TRUE ) OVER = DUP IF NIP THEN ;
|
|
\ BRANCHING 03FEB85BP)
|
|
|
|
: IF COMPILE ?BRANCH >MARK 1 ; IMMEDIATE RESTRICT
|
|
: THEN ABS 1 ?PAIRS >RESOLVE ; IMMEDIATE RESTRICT
|
|
: ELSE 1 ?PAIRS COMPILE BRANCH >MARK
|
|
SWAP >RESOLVE -1 ; IMMEDIATE RESTRICT
|
|
: BEGIN <MARK 2 ; IMMEDIATE RESTRICT
|
|
: WHILE 2 ?PAIRS 2 COMPILE ?BRANCH
|
|
>MARK -2 2SWAP ; IMMEDIATE RESTRICT
|
|
| : (REPTIL <RESOLVE BEGIN DUP -2
|
|
= WHILE DROP >RESOLVE REPEAT ;
|
|
|
|
: REPEAT 2 ?PAIRS COMPILE BRANCH (REPTIL ; IMMEDIATE RESTRICT
|
|
|
|
: UNTIL 2 ?PAIRS COMPILE ?BRANCH (REPTIL ; IMMEDIATE RESTRICT
|
|
|
|
\ LOOPS 29JAN85KS/BP)
|
|
|
|
: DO COMPILE (DO >MARK 3 ; IMMEDIATE RESTRICT
|
|
|
|
: ?DO COMPILE (?DO >MARK 3 ; IMMEDIATE RESTRICT
|
|
|
|
: LOOP 3 ?PAIRS COMPILE (LOOP
|
|
COMPILE ENDLOOP >RESOLVE ; IMMEDIATE RESTRICT
|
|
|
|
: +LOOP 3 ?PAIRS COMPILE (+LOOP
|
|
COMPILE ENDLOOP >RESOLVE ; IMMEDIATE RESTRICT
|
|
|
|
: LEAVE ENDLOOP R> 2- DUP @ + >R ; RESTRICT
|
|
|
|
\\ RETURNSTACK: CALLADR \ INDEX
|
|
LIMIT \ ADR OF DO
|
|
\ UM* BP/KS13.2.85)
|
|
CODE UM* ( U1 U2 -- UD)
|
|
SP )Y LDA N STA SP X) LDA N 1+ STA
|
|
INY N 2 + STX N 3 + STX 010 # LDX
|
|
[[ N 3 + ASL N 2+ ROL N 1+ ROL N ROL
|
|
CS ?[ CLC SP )Y LDA N 3 + ADC N 3 + STA
|
|
INY SP )Y LDA DEY N 2 + ADC N 2 + STA
|
|
CS ?[ N 1+ INC 0= ?[ N INC ]? ]? ]?
|
|
DEX 0= ?]
|
|
N 3 + LDA SP )Y STA INY N 2 + LDA SP )Y STA 1 # LDY
|
|
N LDA SP )Y STA N 1+ LDA SP X) STA
|
|
NEXT JMP END-CODE
|
|
|
|
\\ : UM* ( U1 U2 -- UD3) >R 0 0 0 R> 010 0
|
|
DO DUP 2/ >R 1 AND IF 2OVER D+ THEN
|
|
>R >R 2DUP D+ R> R> R> LOOP DROP 2SWAP 2DROP ;
|
|
\ M* 2* 04JUL84KS)
|
|
|
|
: M* ( N1 N2 -- D)
|
|
DUP 0< DUP >R IF NEGATE THEN
|
|
SWAP DUP 0< IF NEGATE R> NOT >R THEN
|
|
UM* R> IF DNEGATE THEN ;
|
|
|
|
: * ( N N -- PROD) UM* DROP ;
|
|
|
|
CODE 2* ( N1 -- N2)
|
|
SP X) LDA .A ASL SP X) STA
|
|
SP )Y LDA .A ROL SP )Y STA
|
|
NEXT JMP END-CODE
|
|
| : 2* DUP + ;
|
|
|
|
|
|
\ UM/MOD 04JUL84KS)
|
|
|
|
| : DIVOVL
|
|
TRUE ABORT" DIVISION OVERFLOW" ;
|
|
|
|
CODE UM/MOD ( UD U -- UREM UQUOT)
|
|
SP X) LDA N 5 + STA
|
|
SP )Y LDA N 4 + STA SP 2INC
|
|
SP X) LDA N 1+ STA
|
|
SP )Y LDA N STA INY
|
|
SP )Y LDA N 3 + STA INY
|
|
SP )Y LDA N 2+ STA 011 # LDX CLC
|
|
[[ N 6 + ROR SEC N 1+ LDA N 5 + SBC
|
|
TAY N LDA N 4 + SBC
|
|
CS NOT ?[ N 6 + ROL ]?
|
|
CS ?[ N STA N 1+ STY ]?
|
|
\
|
|
N 3 + ROL N 2+ ROL N 1+ ROL N ROL
|
|
DEX 0= ?]
|
|
1 # LDY N ROR N 1+ ROR
|
|
CS ?[ ;C: DIVOVL ; ASSEMBLER ]?
|
|
N 2+ LDA SP )Y STA INY
|
|
N 1+ LDA SP )Y STA INY
|
|
N LDA SP )Y STA 1 # LDY
|
|
N 3 + LDA
|
|
PUTA JMP END-CODE
|
|
|
|
|
|
|
|
|
|
|
|
|
|
\ 2/ M/MOD 24DEC83KS)
|
|
|
|
: M/MOD ( D N -- MOD QUOT)
|
|
DUP >R ABS OVER
|
|
0< IF UNDER + SWAP THEN
|
|
UM/MOD R@
|
|
0< IF NEGATE OVER IF SWAP R@ + SWAP 1-
|
|
THEN THEN RDROP ;
|
|
|
|
CODE 2/ ( N1 -- N2)
|
|
SP )Y LDA .A ASL
|
|
SP )Y LDA .A ROR SP )Y STA
|
|
SP X) LDA .A ROR
|
|
PUTA JMP END-CODE
|
|
|
|
|
|
\ /MOD / MOD */MOD */ U/MOD UD/MOD KS)
|
|
|
|
: /MOD ( N1 N2 -- REM QUOT) >R EXTEND R> M/MOD ;
|
|
|
|
: / ( N1 N2 -- QUOT) /MOD NIP ;
|
|
|
|
: MOD ( N1 N2 -- REM) /MOD DROP ;
|
|
|
|
: */MOD ( N1 N2 N3 -- REM QUOT) >R M* R> M/MOD ;
|
|
|
|
: */ ( N1 N2 N3 -- QUOT) */MOD NIP ;
|
|
|
|
: U/MOD ( U1 U2 -- UREM UQUOT) 0 SWAP UM/MOD ;
|
|
|
|
: UD/MOD ( UD1 U2 -- UREM UDQUOT)
|
|
>R 0 R@ UM/MOD R> SWAP >R UM/MOD R> ;
|
|
\ CMOVE CMOVE> (CMOVE> BP 08APR85)
|
|
|
|
CODE CMOVE ( FROM TO QUAN --)
|
|
3 # LDA SETUP JSR DEY
|
|
[[ [[ N CPY 0= ?[ N 1+ DEC 0< ?[
|
|
1 # LDY NEXT JMP ]? ]?
|
|
N 4 + )Y LDA N 2+ )Y STA INY 0= ?]
|
|
N 5 + INC N 3 + INC ]] END-CODE
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
\
|
|
CODE CMOVE> ( FROM TO QUAN --)
|
|
3 # LDA SETUP JSR
|
|
CLC N 1+ LDA N 3 + ADC N 3 + STA
|
|
CLC N 1+ LDA N 5 + ADC N 5 + STA
|
|
N 1+ INC N LDY CLC CS ?[
|
|
LABEL (CMOVE>
|
|
DEY N 4 + )Y LDA N 2+ )Y STA ]?
|
|
TYA (CMOVE> BNE
|
|
N 3 + DEC N 5 + DEC N 1+ DEC
|
|
(CMOVE> BNE 1 # LDY
|
|
NEXT JMP END-CODE
|
|
|
|
: MOVE ( FROM TO QUAN --) >R 2DUP U< IF R> CMOVE> EXIT THEN
|
|
R> CMOVE ;
|
|
|
|
\ PLACE COUNT ERASE 16FEB85BP/KS)
|
|
|
|
: PLACE ( ADDR LEN TO --) OVER >R ROT OVER 1+ R> MOVE C! ;
|
|
|
|
CODE COUNT ( ADDR -- ADDR+1 LEN)
|
|
SP X) LDA N STA CLC 1 # ADC SP X) STA
|
|
SP )Y LDA N 1+ STA 0 # ADC SP )Y STA
|
|
SP 2DEC (C@ JMP END-CODE
|
|
|
|
\ : COUNT ( ADR -- ADR+1 LEN ) DUP 1+ SWAP C@ ;
|
|
|
|
: ERASE ( ADDR QUAN --) 0 FILL ;
|
|
|
|
|
|
|
|
|
|
\ FILL 11JUN85BP)
|
|
|
|
CODE FILL ( ADDR QUAN 8B -- )
|
|
3 # LDA SETUP JSR DEY
|
|
N LDA N 3 + LDX
|
|
0<> ?[ [[ [[ N 4 + )Y STA INY 0= ?]
|
|
N 5 + INC DEX 0= ?]
|
|
]? N 2+ LDX
|
|
0<> ?[ [[ N 4 + )Y STA INY DEX 0= ?]
|
|
]? 1 # LDY
|
|
NEXT JMP END-CODE
|
|
|
|
\\ : FILL ( ADDR QUAN 8B --) SWAP ?DUP
|
|
IF >R OVER C! DUP 1+ R> 1- CMOVE EXIT THEN 2DROP ;
|
|
|
|
|
|
\ HERE PAD ALLOT , C, COMPILE 24DEC83KS)
|
|
|
|
: HERE ( -- ADDR) DP @ ;
|
|
|
|
: PAD ( -- ADDR) HERE 042 + ;
|
|
|
|
: ALLOT ( N --) DP +! ;
|
|
|
|
: , ( 16B --) HERE ! 2 ALLOT ;
|
|
|
|
: C, ( 8B --) HERE C! 1 ALLOT ;
|
|
|
|
: COMPILE R> DUP 2+ >R @ , ; RESTRICT
|
|
|
|
|
|
|
|
\ INPUT STRINGS 24DEC83KS)
|
|
|
|
VARIABLE #TIB 0 #TIB !
|
|
VARIABLE >TIB $100 >TIB ! \ 050 ALLOT
|
|
VARIABLE >IN 0 >IN !
|
|
VARIABLE BLK 0 BLK !
|
|
VARIABLE SPAN 0 SPAN !
|
|
|
|
: TIB ( -- ADDR ) >TIB @ ;
|
|
|
|
: QUERY TIB 050 EXPECT SPAN @ #TIB ! >IN OFF BLK OFF ;
|
|
|
|
|
|
|
|
|
|
|
|
\ SCAN SKIP /STRING 12OCT84BP)
|
|
|
|
: SCAN ( ADDR0 LEN0 CHAR -- ADDR1 LEN1) >R
|
|
BEGIN DUP WHILE OVER C@ R@ -
|
|
WHILE 1- SWAP 1+ SWAP REPEAT RDROP ;
|
|
|
|
: SKIP ( ADDR LEN DEL -- ADDR1 LEN1) >R
|
|
BEGIN DUP WHILE OVER C@ R@ =
|
|
WHILE 1- SWAP 1+ SWAP REPEAT RDROP ;
|
|
|
|
|
|
: /STRING ( ADDR0 LEN0 +N - ADDR1 LEN1)
|
|
OVER UMIN ROT OVER + -ROT - ;
|
|
|
|
|
|
|
|
\ CAPITAL 03APR85BP)
|
|
(C LABEL (CAPITAL \ FOR COMMODORE ONLY
|
|
PHA 0DF # AND \ 2ND UPPER TO LOWER
|
|
ASCII A # CMP
|
|
CS ?[ ASCII Z 1+ # CMP
|
|
CC ?[ PLA CLC ASCII A ASCII A - # ADC RTS
|
|
]? ]? PLA RTS END-CODE )
|
|
|
|
LABEL (CAPITAL \ FOR ASCII ONLY
|
|
ASCII a # CMP
|
|
CS ?[ ASCII z 1+ # CMP
|
|
CC ?[ SEC ASCII a ASCII A - # SBC
|
|
]? ]? RTS END-CODE
|
|
|
|
CODE CAPITAL ( CHAR -- CHAR' )
|
|
SP X) LDA (CAPITAL JSR SP X) STA NEXT JMP END-CODE
|
|
\ CAPITALIZE 03APR85BP)
|
|
|
|
CODE CAPITALIZE ( STRING -- STRING )
|
|
SP X) LDA N STA SP )Y LDA N 1+ STA
|
|
N X) LDA N 2+ STA DEY
|
|
[[ N 2+ CPY 0= ?[ 1 # LDY NEXT JMP ]?
|
|
INY N )Y LDA (CAPITAL JSR N )Y STA
|
|
]] END-CODE
|
|
|
|
\\ : CAPITALIZE ( STRING -- STRING )
|
|
DUP COUNT BOUNDS ?DO I C@ CAPITAL I C! THEN LOOP ;
|
|
|
|
\\ CAPITAL ( CHAR -- CHAR )
|
|
ASCII A ASCII Z 1+ UWITHIN
|
|
IF I C@ [ ASCII A ASCII A - ] LITERAL - ;
|
|
|
|
\ (WORD 08APR85BP)
|
|
|
|
| CODE (WORD ( CHAR ADR0 LEN0 -- ADR)
|
|
\ N : LENGTH OF SOURCE
|
|
\ N+2 : PTR IN SOURCE / NEXT CHAR
|
|
\ N+4 : STRING START ADRESS
|
|
\ N+6 : STRING LENGTH
|
|
N 6 + STX \ 0 =: STRING_LENGTH
|
|
3 # LDY [[ SP )Y LDA N ,Y STA DEY 0< ?]
|
|
1 # LDY CLC >IN LDA N 2+ ADC N 2+ STA
|
|
\ >IN+ADR0 =: N+2
|
|
>IN 1+ LDA N 3 + ADC N 3 + STA SEC N LDA >IN SBC N STA
|
|
\ LEN0->IN =: N
|
|
N 1+ LDA >IN 1+ SBC N 1+ STA
|
|
CC ?[ SP X) LDA >IN STA \ STREAM EXHAUSTED
|
|
SP )Y LDA >IN 1+ STA
|
|
\ (WORD 08APR85BP)
|
|
|
|
][ 4 # LDY [[ N LDA N 1+ ORA \ SKIP CHAR'S
|
|
0= NOT ?[[ N 2+ X) LDA SP )Y CMP \ WHILE COUNT <>0
|
|
0= ?[[ N 2+ WINC N WDEC ]]?
|
|
N 2+ LDA N 4 + STA \ SAVE STRING_START_ADRESS
|
|
N 3 + LDA N 5 + STA
|
|
[[ N 2+ X) LDA SP )Y CMP PHP \ SCAN FOR CHAR
|
|
N 2+ WINC N WDEC PLP
|
|
0= NOT ?[[ N 6 + INC \ COUNT STRING_LENGTH
|
|
N LDA N 1+ ORA
|
|
0= ?] ]? ]? \ FROM COUNT = 0 IN SKIP)
|
|
SEC 2 # LDY
|
|
\ ADR_AFTER_STRING - ADR0 =: >IN)
|
|
N 2+ LDA SP )Y SBC >IN STA INY
|
|
N 3 + LDA SP )Y SBC >IN 1+ STA
|
|
\ (WORD 08APR85BP)
|
|
|
|
]? \ FROM 1ST ][, STREAM WAS EXHAUSTED
|
|
\ WHEN WORD CALLED)
|
|
CLC 4 # LDA SP ADC SP STA
|
|
CS ?[ SP 1+ INC ]? \ 2DROP
|
|
USER' DP # LDY UP )Y LDA
|
|
SP X) STA N STA INY
|
|
UP )Y LDA 1 # LDY
|
|
SP )Y STA N 1+ STA \ DP @
|
|
DEY N 6 + LDA \ STORE COUNT BYTE FIRST
|
|
[[ N )Y STA N 4 + )Y LDA INY
|
|
N 6 + DEC 0< ?]
|
|
020 # LDA N )Y STA \ ADD A BLANK
|
|
1 # LDY NEXT JMP END-CODE
|
|
|
|
\ SOURCE WORD PARSE NAME 08APR85BP)
|
|
|
|
: SOURCE ( -- ADDR LEN)
|
|
BLK @ ?DUP IF BLOCK B/BLK EXIT THEN TIB #TIB @ ;
|
|
|
|
: WORD ( CHAR -- ADDR) SOURCE (WORD ;
|
|
|
|
: PARSE ( CHAR -- ADDR LEN) >R SOURCE >IN @ /STRING OVER SWAP
|
|
R> SCAN >R OVER - DUP R> 0<> - >IN +! ;
|
|
|
|
: NAME ( -- ADDR) BL WORD CAPITALIZE EXIT ;
|
|
|
|
\\ : WORD ( CHAR -- ADDR) >R
|
|
SOURCE OVER SWAP >IN @ /STRING R@ SKIP OVER SWAP R>
|
|
SCAN >R ROT OVER SWAP - R> 0<> - >IN !
|
|
OVER - HERE PLACE BL HERE COUNT + C! HERE ;
|
|
\ STATE ASCII ," (" " 24DEC83KS)
|
|
|
|
VARIABLE STATE 0 STATE !
|
|
|
|
: ASCII BL WORD 1+ C@ STATE @
|
|
IF [COMPILE] LITERAL THEN ; IMMEDIATE
|
|
|
|
: ," ASCII " PARSE HERE OVER 1+ ALLOT PLACE ;
|
|
|
|
: "LIT R> R> UNDER COUNT + >R >R ; RESTRICT
|
|
|
|
: (" "LIT ; RESTRICT
|
|
|
|
: " COMPILE (" ," ; IMMEDIATE RESTRICT
|
|
|
|
|
|
\ ." ( .( \ \\ HEX DECIMAL 08SEP84KS)
|
|
: (." "LIT COUNT TYPE ; RESTRICT
|
|
|
|
: ." COMPILE (." ," ; IMMEDIATE RESTRICT
|
|
|
|
: ( ASCII ) PARSE 2DROP ; IMMEDIATE
|
|
|
|
: .( ASCII ) PARSE TYPE ; IMMEDIATE
|
|
|
|
: \ >IN @ C/L / 1+ C/L * >IN ! ; IMMEDIATE
|
|
|
|
: \\ B/BLK >IN ! ; IMMEDIATE
|
|
|
|
: \NEEDS NAME FIND NIP IF [COMPILE] \ THEN ;
|
|
|
|
: HEX 010 BASE ! ; : DECIMAL 0A BASE ! ;
|
|
\ NUMBER CONV.: DIGIT? ACCUMULATE KS)
|
|
: DIGIT? ( CHAR -- DIGIT TRUE/ FALSE )
|
|
ASCII 0 - DUP 9 U>
|
|
IF [ ASCII A ASCII 9 - 1- ] LITERAL - DUP 9 U>
|
|
IF [ 2SWAP ( UNSTRUKTURIERT) ] THEN
|
|
BASE @ OVER U> ?DUP ?EXIT THEN DROP FALSE ;
|
|
|
|
: ACCUMULATE ( +D0 ADR DIGIT - +D1 ADR)
|
|
SWAP >R SWAP BASE @ UM* DROP ROT BASE @ UM* D+ R> ;
|
|
|
|
: CONVERT ( +D1 ADDR0 -- +D2 ADDR2)
|
|
1+ BEGIN COUNT DIGIT? WHILE ACCUMULATE REPEAT 1- ;
|
|
|
|
| : END? ( -- FLAG ) PTR @ 0= ;
|
|
| : CHAR ( ADDR0 -- ADDR1 CHAR ) COUNT -1 PTR +! ;
|
|
| : PREVIOUS ( ADDR0 -- ADDR0 CHAR) 1- COUNT ;
|
|
\ ?NONUM ?NUM FIXBASE? 13FEB85KS)
|
|
|
|
VARIABLE DPL -1 DPL !
|
|
|
|
| : ?NONUM ( FLAG -- EXIT IF TRUE )
|
|
IF RDROP 2DROP DROP RDROP FALSE THEN ;
|
|
|
|
| : ?NUM ( FLAG -- EXIT IF TRUE )
|
|
IF RDROP DROP R> IF DNEGATE THEN
|
|
ROT DROP DPL @ 1+ ?DUP ?EXIT DROP TRUE THEN ;
|
|
| : FIXBASE? ( CHAR - CHAR FALSE / NEWBASE TRUE )
|
|
ASCII & CASE? IF 0A TRUE EXIT THEN
|
|
ASCII $ CASE? IF 10 TRUE EXIT THEN
|
|
ASCII H CASE? IF 10 TRUE EXIT THEN
|
|
ASCII % CASE? IF 2 TRUE EXIT THEN FALSE ;
|
|
|
|
\ 13FEB85KS)
|
|
|
|
| : PUNCTUATION? ( CHAR -- FLAG)
|
|
ASCII , OVER = SWAP ASCII . = OR ;
|
|
|
|
| : ?DPL DPL @ -1 = ?EXIT 1 DPL +! ;
|
|
|
|
| VARIABLE PTR \ POINTS INTO STRING
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
\ (NUMBER NUMBER 13FEB85KS)
|
|
: NUMBER? ( STRING - STRING FALSE / N 0< / D 0> )
|
|
BASE PUSH DUP COUNT PTR ! DPL ON
|
|
0 >R ( +SIGN)
|
|
0.0 ROT END? ?NONUM CHAR
|
|
ASCII - CASE?
|
|
IF RDROP TRUE >R END? ?NONUM CHAR THEN FIXBASE?
|
|
IF BASE ! END? ?NONUM CHAR THEN
|
|
BEGIN DIGIT? 0= ?NONUM
|
|
BEGIN ACCUMULATE ?DPL END? ?NUM
|
|
CHAR DIGIT? 0= UNTIL
|
|
PREVIOUS PUNCTUATION? 0= ?NONUM
|
|
DPL OFF END? ?NUM CHAR
|
|
REPEAT ;
|
|
: NUMBER ( STRING -- D )
|
|
NUMBER? ?DUP 0= ABORT" ?" 0< IF EXTEND THEN ;
|
|
\ HIDE REVEAL IMMEDIATE RESTRICT KS)
|
|
VARIABLE LAST 0 LAST !
|
|
|
|
| : LAST? ( -- FALSE / ACF TRUE) LAST @ ?DUP ;
|
|
|
|
: HIDE LAST? IF 2- @ CURRENT @ ! THEN ;
|
|
|
|
: REVEAL LAST? IF 2- CURRENT @ ! THEN ;
|
|
|
|
: RECURSIVE REVEAL ; IMMEDIATE RESTRICT
|
|
|
|
| : FLAG! ( 8B --) LAST? IF UNDER C@ OR OVER C! THEN DROP ;
|
|
|
|
: IMMEDIATE 040 FLAG! ;
|
|
|
|
: RESTRICT 080 FLAG! ;
|
|
\ CLEARSTACK HALLOT HEAP HEAP?11FEB85BP)
|
|
|
|
CODE CLEARSTACK USER' S0 # LDY
|
|
UP )Y LDA SP STA INY UP )Y LDA SP 1+ STA
|
|
1 # LDY NEXT JMP END-CODE
|
|
|
|
: HALLOT ( QUAN -- ) S0 @ OVER - SWAP
|
|
SP@ 2+ DUP ROT - DUP S0 !
|
|
2 PICK OVER - MOVE CLEARSTACK S0 ! ;
|
|
|
|
: HEAP ( -- ADDR) S0 @ 6+ ;
|
|
|
|
: HEAP? ( ADDR -- FLAG) HEAP UP@ UWITHIN ;
|
|
|
|
| : HEAPMOVE ( FROM -- FROM) DUP HERE OVER -
|
|
DUP HALLOT HEAP SWAP CMOVE HEAP OVER - LAST +! REVEAL ;
|
|
\ DOES> ; 30DEC84KS/BP)
|
|
|
|
LABEL (DODOES> RP 2DEC
|
|
IP 1+ LDA RP )Y STA IP LDA RP X) STA \ PUT IP ON RP
|
|
CLC W X) LDA 3 # ADC IP STA
|
|
TXA W )Y ADC IP 1+ STA \ W@ + 3 -> IP
|
|
LABEL DOCREATE
|
|
2 # LDA CLC W ADC PHA TXA W 1+ ADC PUSH JMP END-CODE
|
|
|
|
| : (;CODE R> LAST @ NAME> ! ;
|
|
|
|
: DOES> COMPILE (;CODE 04C C,
|
|
COMPILE (DODOES> ; IMMEDIATE RESTRICT
|
|
|
|
|
|
|
|
\ 6502-ALIGN ?HEAD \ 08SEP84BP)
|
|
|
|
| : 6502-ALIGN/1 ( ADR -- ADR' ) DUP 0FF AND 0FF = - ;
|
|
|
|
|
|
| : 6502-ALIGN/2 ( LFA -- LFA )
|
|
HERE 0FF AND 0FF =
|
|
IF DUP DUP 1+ HERE OVER - 1+ CMOVE> \ LFA NOW INVALID
|
|
1 LAST +! 1 ALLOT THEN ;
|
|
|
|
VARIABLE ?HEAD 0 ?HEAD !
|
|
|
|
: | ?HEAD @ ?EXIT -1 ?HEAD ! ;
|
|
|
|
|
|
|
|
\ WARNING CREATE 30DEC84BP)
|
|
|
|
VARIABLE WARNING 0 WARNING !
|
|
|
|
| : EXISTS?
|
|
WARNING @ ?EXIT
|
|
LAST @ CURRENT @ (FIND NIP
|
|
IF SPACE LAST @ .NAME ." EXISTS " ?CR THEN ;
|
|
|
|
: CREATE HERE BLK @ , CURRENT @ @ ,
|
|
NAME C@ DUP 1 020 UWITHIN NOT ABORT" INVALID NAME"
|
|
HERE LAST ! 1+ ALLOT EXISTS? ?HEAD @
|
|
IF 1 ?HEAD +! DUP 6502-ALIGN/1 , \ POINTER TO CODE
|
|
HEAPMOVE 020 FLAG! 6502-ALIGN/1 DP !
|
|
ELSE 6502-ALIGN/2 DROP THEN REVEAL 0 ,
|
|
;CODE DOCREATE JMP END-CODE
|
|
\ NFA? 30DEC84BP)
|
|
| CODE NFA? ( VOCABTHREAD CFA -- NFA / FALSE)
|
|
SP X) LDA N 4 + STA SP )Y LDA N 5 + STA SP 2INC
|
|
[[ [[ SP X) LDA N 2+ STA SP )Y LDA N 3 + STA
|
|
N 2+ ORA 0= ?[ PUTFALSE JMP ]?
|
|
N 2+ )Y LDA SP )Y STA N 1+ STA
|
|
N 2+ X) LDA SP X) STA N STA
|
|
N 1+ ORA 0= ?[ NEXT JMP ]? \ N=LINK
|
|
N 2INC N X) LDA PHA SEC 01F # AND
|
|
N ADC N STA CS ?[ N 1+ INC ]?
|
|
PLA 020 # AND 0= NOT
|
|
?[ N )Y LDA PHA
|
|
N X) LDA N STA PLA N 1+ STA ]?
|
|
N LDA N 4 + CMP 0= ?] \ VOCABTHREAD=0
|
|
N 1+ LDA N 5 + CMP 0= ?] \ D.H. LEERES VOCABULARY
|
|
' 2+ @ JMP END-CODE \ IN NFA? IST ERLAUBT
|
|
\ >NAME NAME> >BODY .NAME 03FEB85BP)
|
|
|
|
: >NAME ( CFA -- NFA / FALSE) VOC-LINK
|
|
BEGIN @ DUP WHILE 2DUP 4 - SWAP
|
|
NFA? ?DUP IF -ROT 2DROP EXIT THEN REPEAT NIP ;
|
|
|
|
| : (NAME> ( NFA -- CFA) COUNT 01F AND + ;
|
|
|
|
: NAME> ( NFA -- CFA) DUP (NAME> SWAP C@ 020 AND IF @ THEN ;
|
|
|
|
: >BODY ( CFA -- PFA) 2+ ;
|
|
|
|
: .NAME ( NFA --)
|
|
?DUP IF DUP HEAP? IF ." |" THEN COUNT 01F AND TYPE
|
|
ELSE ." ???" THEN SPACE ;
|
|
|
|
\ : ; CONSTANT VARIABLE 09JAN85KS/BP)
|
|
|
|
: : CREATE HIDE CURRENT @ CONTEXT ! ] 0
|
|
;CODE HERE >RECOVER ! \ RESOLVE FWD. REFERENCE
|
|
RP 2DEC IP LDA RP X) STA IP 1+ LDA RP )Y STA
|
|
W LDA CLC 2 # ADC IP STA TXA W 1+ ADC IP 1+ STA
|
|
NEXT JMP END-CODE
|
|
|
|
: ; 0 ?PAIRS COMPILE EXIT
|
|
[COMPILE] [ REVEAL ; IMMEDIATE RESTRICT
|
|
|
|
: CONSTANT ( 16B --) CREATE ,
|
|
;CODE SP 2DEC 2 # LDY W )Y LDA SP X) STA INY
|
|
W )Y LDA 1 # LDY SP )Y STA NEXT JMP END-CODE
|
|
|
|
: VARIABLE CREATE 2 ALLOT ;
|
|
\ UALLOT USER ALIAS 10JAN85KS/BP)
|
|
|
|
: UALLOT ( QUAN -- OFFSET)
|
|
DUP UDP @ + 0FF U> ABORT" USERAREA FULL"
|
|
UDP @ SWAP UDP +! ;
|
|
|
|
: USER CREATE 2 UALLOT C,
|
|
;CODE SP 2DEC 2 # LDY W )Y LDA CLC UP ADC SP X) STA
|
|
TXA INY UP 1+ ADC 1 # LDY SP )Y STA NEXT JMP END-CODE
|
|
|
|
: ALIAS ( CFA --)
|
|
CREATE LAST @ DUP C@ 020 AND
|
|
IF -2 ALLOT ELSE 020 FLAG! THEN (NAME> ! ;
|
|
|
|
|
|
|
|
\ VOC-LINK VP CURRENT CONTEXT ALSO BP)
|
|
CREATE VP 10 ALLOT
|
|
|
|
VARIABLE CURRENT
|
|
|
|
: CONTEXT ( -- ADR ) VP DUP @ + 2+ ;
|
|
|
|
| : THRU.VOCSTACK ( -- FROM TO ) VP 2+ CONTEXT ;
|
|
\ "ONLY FORTH ALSO ASSEMBLER" GIVES VP :
|
|
\ COUNTWORD = 6 \ONLY\FORTH\ASSEMBLER
|
|
|
|
: ALSO VP @
|
|
0A > ERROR" VOCABULARY STACK FULL"
|
|
CONTEXT @ 2 VP +! CONTEXT ! ;
|
|
|
|
: TOSS -2 VP +! ;
|
|
\ VOCABULARY FORTH ONLY FORTH-83 KS/BP)
|
|
|
|
: VOCABULARY CREATE 0 , 0 ,
|
|
HERE VOC-LINK @ , VOC-LINK ! DOES> CONTEXT ! ;
|
|
|
|
\ NAME \ CODE \ THREAD \ COLDTHREAD \ VOC-LINK
|
|
|
|
VOCABULARY FORTH
|
|
|
|
VOCABULARY ONLY
|
|
] DOES> [ ONLYPATCH ] 0 VP ! CONTEXT ! ALSO ; ' ONLY !
|
|
|
|
: ONLYFORTH ONLY FORTH ALSO DEFINITIONS ;
|
|
|
|
|
|
|
|
\ DEFINITIONS ORDER WORDS 13JAN84BP/KS)
|
|
|
|
: DEFINITIONS CONTEXT @ CURRENT ! ;
|
|
|
|
| : .VOC ( ADR -- ) @ 2- >NAME .NAME ;
|
|
|
|
: ORDER
|
|
THRU.VOCSTACK DO I .VOC -2 +LOOP 2 SPACES CURRENT .VOC ;
|
|
|
|
: WORDS CONTEXT @
|
|
BEGIN @ DUP STOP? 0= AND
|
|
WHILE ?CR DUP 2+ .NAME SPACE REPEAT DROP ;
|
|
|
|
|
|
|
|
|
|
\ (FIND 08APR85BP)
|
|
|
|
CODE (FIND ( STRING THREAD
|
|
-- STRING FALSE / NAMEFIELD TRUE)
|
|
3 # LDY [[ SP )Y LDA N ,Y STA DEY 0< ?]
|
|
N 2+ X) LDA 01F # AND N 4 + STA
|
|
LABEL FINDLOOP 0 # LDY
|
|
N )Y LDA TAX INY
|
|
N )Y LDA N 1+ STA N STX N ORA
|
|
0= ?[ 1 # LDY 0 # LDX PUTFALSE JMP ]?
|
|
INY N )Y LDA 01F # AND N 4 + CMP
|
|
FINDLOOP BNE \ COUNTBYTE MATCH
|
|
CLC 2 # LDA N ADC N 5 + STA
|
|
0 # LDA N 1+ ADC N 6 + STA
|
|
N 4 + LDY
|
|
[[ N 2+ )Y LDA N 5 + )Y CMP
|
|
\
|
|
FINDLOOP BNE DEY 0= ?]
|
|
3 # LDY N 6 + LDA SP )Y STA DEY
|
|
N 5 + LDA SP )Y STA
|
|
DEY 0 # LDX PUTTRUE JMP END-CODE
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
\ FOUND 29JAN85BP)
|
|
|
|
| CODE FOUND ( NFA -- CFA N )
|
|
SP X) LDA N STA SP )Y LDA N 1+ STA
|
|
N X) LDA N 2+ STA 01F # AND SEC N ADC N STA
|
|
CS ?[ N 1+ INC ]?
|
|
N 2+ LDA 020 # AND
|
|
0= ?[ N LDA SP X) STA N 1+ LDA
|
|
][ N X) LDA SP X) STA N )Y LDA ]? SP )Y STA
|
|
SP 2DEC N 2+ LDA 0< ?[ INY ]?
|
|
.A ASL
|
|
0< NOT ?[ TYA 0FF # EOR TAY INY ]?
|
|
TYA SP X) STA
|
|
0< ?[ 0FF # LDA 24 C, ]?
|
|
TXA 1 # LDY SP )Y STA
|
|
NEXT JMP END-CODE
|
|
\\
|
|
|
|
| : FOUND ( NFA -- CFA N )
|
|
DUP C@ >R (NAME>
|
|
R@ 020 AND IF @ THEN
|
|
-1 R@ 080 AND IF 1- THEN
|
|
R> 040 AND IF NEGATE THEN ;
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
\ FIND ' ['] 13JAN85BP)
|
|
|
|
: FIND ( STRING -- CFA N / STRING FALSE)
|
|
CONTEXT DUP @ OVER 2- @ = IF 2- THEN
|
|
BEGIN UNDER @ (FIND IF NIP FOUND EXIT THEN
|
|
OVER VP 2+ U>
|
|
WHILE SWAP 2- REPEAT NIP FALSE ;
|
|
|
|
: ' ( -- CFA ) NAME FIND 0= ABORT" HAEH?" ;
|
|
|
|
: [COMPILE] ' , ; IMMEDIATE RESTRICT
|
|
|
|
: ['] ' [COMPILE] LITERAL ; IMMEDIATE RESTRICT
|
|
|
|
: NULLSTRING? ( STRING -- STRING FALSE / TRUE)
|
|
DUP C@ 0= DUP IF NIP THEN ;
|
|
\ >INTERPRET 28FEB85BP)
|
|
|
|
LABEL JUMP
|
|
INY CLC W )Y LDA 2 # ADC IP STA
|
|
INY W )Y LDA 0 # ADC IP 1+ STA
|
|
1 # LDY NEXT JMP END-CODE
|
|
VARIABLE >INTERPRET
|
|
|
|
JUMP ' >INTERPRET !
|
|
|
|
\\ MAKE VARIABLE >INTERPRET TO SPECIAL
|
|
DEFER
|
|
|
|
|
|
|
|
|
|
\ INTERPRET INTERACTIVE 31DEC84KS/BP)
|
|
|
|
DEFER NOTFOUND
|
|
|
|
: NO.EXTENSIONS ( STRING -- ) ERROR" HAEH?" ; \ STRING NOT 0
|
|
|
|
' NO.EXTENSIONS IS NOTFOUND
|
|
|
|
: INTERPRET >INTERPRET ; -2 ALLOT
|
|
|
|
| : INTERACTIVE ?STACK NAME FIND ?DUP
|
|
IF 1 AND IF EXECUTE >INTERPRET THEN
|
|
ABORT" COMPILE ONLY" THEN NULLSTRING? ?EXIT NUMBER?
|
|
0= IF NOTFOUND THEN >INTERPRET ; -2 ALLOT
|
|
|
|
' INTERACTIVE >INTERPRET !
|
|
\ COMPILING [ ] 20DEC84BP)
|
|
|
|
| : COMPILING
|
|
?STACK NAME FIND ?DUP
|
|
IF 0> IF EXECUTE >INTERPRET THEN
|
|
, >INTERPRET THEN
|
|
NULLSTRING? ?EXIT NUMBER? ?DUP
|
|
IF 0> IF SWAP [COMPILE] LITERAL THEN
|
|
[COMPILE] LITERAL
|
|
ELSE NOTFOUND THEN >INTERPRET ; -2 ALLOT
|
|
|
|
: [ ['] INTERACTIVE IS >INTERPRET STATE OFF ; IMMEDIATE
|
|
|
|
: ] ['] COMPILING IS >INTERPRET STATE ON ;
|
|
|
|
|
|
\ PERFOM DEFER IS 03FEB85BP)
|
|
|
|
| : CRASH TRUE ABORT" CRASH" ;
|
|
|
|
: DEFER CREATE ['] CRASH ,
|
|
;CODE 2 # LDY W )Y LDA PHA INY W )Y LDA
|
|
W 1+ STA PLA W STA 1 # LDY W 1- JMP END-CODE
|
|
|
|
: (IS R> DUP 2+ >R @ ! ;
|
|
|
|
| : DEF? ( CFA -- ) @ ['] NOTFOUND @ OVER =
|
|
SWAP ['] >INTERPRET @ = OR NOT ABORT" NOT DEFERRED" ;
|
|
|
|
: IS ( ADR -- ) ' DUP DEF? >BODY
|
|
STATE @ IF COMPILE (IS , EXIT THEN ! ; IMMEDIATE
|
|
|
|
\ ?STACK 08SEP84KS)
|
|
|
|
| : STACKFULL ( -- )
|
|
DEPTH 20 > ABORT" TIGHT STACK"
|
|
REVEAL LAST? IF DUP HEAP? IF NAME> ELSE 4 - THEN
|
|
(FORGET THEN TRUE ABORT" DICTIONARY FULL" ;
|
|
|
|
CODE ?STACK USER' DP # LDY
|
|
SEC SP LDA UP )Y SBC N STA INY SP 1+ LDA UP )Y SBC
|
|
0= ?[ 1 # LDY ;C: STACKFULL ; ASSEMBLER ]?
|
|
USER' S0 # LDY UP )Y LDA SP CMP INY
|
|
UP )Y LDA SP 1+ SBC 1 # LDY CS ?[ NEXT JMP ]?
|
|
;C: TRUE ABORT" STACK EMPTY" ; -2 ALLOT
|
|
|
|
\\ : ?STACK SP@ HERE - 100 U< IF STACKFULL THEN
|
|
SP@ S0 @ U> ABORT" STACK EMPTY" ;
|
|
\ .STATUS PUSH LOAD 08SEP84KS)
|
|
|
|
DEFER .STATUS ' NOOP IS .STATUS
|
|
|
|
| CREATE PULL 0 ] R> R> ! ;
|
|
|
|
: PUSH ( ADDR -- )
|
|
R> SWAP DUP >R @ >R PULL >R >R ; RESTRICT
|
|
|
|
|
|
: LOAD ( BLK --)
|
|
?DUP 0= ?EXIT BLK PUSH BLK !
|
|
>IN PUSH >IN OFF .STATUS INTERPRET ;
|
|
|
|
|
|
|
|
\ +LOAD THRU +THRU --> RDEPTH DEPTH KS)
|
|
|
|
: +LOAD ( OFFSET --) BLK @ + LOAD ;
|
|
|
|
: THRU ( FROM TO --) 1+ SWAP DO I LOAD LOOP ;
|
|
|
|
: +THRU ( OFF0 OFF1 --) 1+ SWAP DO I +LOAD LOOP ;
|
|
|
|
: --> 1 BLK +! >IN OFF .STATUS ; IMMEDIATE
|
|
|
|
: RDEPTH ( -- +N) R0 @ RP@ 2+ - 2/ ;
|
|
|
|
: DEPTH ( -- +N) SP@ S0 @ SWAP - 2/ ;
|
|
|
|
|
|
|
|
\ QUIT (QUIT ABORT 07JUN85BP)
|
|
|
|
| : PROMPT STATE @ IF ." COMPILING" EXIT THEN ." OK" ;
|
|
|
|
: (QUIT
|
|
BEGIN .STATUS CR QUERY INTERPRET PROMPT REPEAT ; -2 ALLOT
|
|
|
|
DEFER 'QUIT ' (QUIT IS 'QUIT
|
|
|
|
: QUIT R0 @ RP! [COMPILE] [ 'QUIT ; -2 ALLOT
|
|
|
|
: STANDARDI/O [ OUTPUT ] LITERAL OUTPUT 4 CMOVE ;
|
|
|
|
DEFER 'ABORT ' NOOP IS 'ABORT
|
|
|
|
: ABORT CLEARSTACK END-TRACE 'ABORT STANDARDI/O QUIT ; -2 ALLOT
|
|
\ (ERROR ABORT" ERROR" 20MAR85BP)
|
|
|
|
VARIABLE SCR 1 SCR !
|
|
|
|
VARIABLE R# 0 R# !
|
|
|
|
: (ERROR ( STRING -- )
|
|
STANDARDI/O SPACE HERE .NAME COUNT TYPE SPACE ?CR
|
|
BLK @ ?DUP IF SCR ! >IN @ R# ! THEN QUIT ; -2 ALLOT
|
|
|
|
' (ERROR ERRORHANDLER !
|
|
|
|
: (ABORT" "LIT SWAP IF
|
|
>R CLEARSTACK R> ERRORHANDLER PERFORM
|
|
EXIT THEN DROP ; RESTRICT
|
|
|
|
\
|
|
|
|
| : (ERR" "LIT SWAP
|
|
IF ERRORHANDLER PERFORM EXIT THEN DROP ; RESTRICT
|
|
|
|
: ABORT" COMPILE (ABORT" ," ; IMMEDIATE RESTRICT
|
|
|
|
: ERROR" COMPILE (ERR" ," ; IMMEDIATE RESTRICT
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
\ -TRAILING 08APR85BP)
|
|
|
|
020 CONSTANT BL
|
|
|
|
CODE -TRAILING ( ADDR N1 -- ADR N2 )
|
|
TYA SETUP JSR
|
|
SP X) LDA N 2+ STA CLC
|
|
SP )Y LDA N 1+ ADC N 3 + STA
|
|
N LDY CLC CS ?[
|
|
LABEL (-TRAIL
|
|
DEY N 2+ )Y LDA BL # CMP
|
|
0<> ?[ INY 0= ?[ N 1+ INC ]?
|
|
TYA PHA N 1+ LDA PUSH JMP ]?
|
|
]? TYA (-TRAIL BNE
|
|
N 3 + DEC N 1 + DEC (-TRAIL BPL
|
|
TYA PUSH0A JMP END-CODE
|
|
\ SPACE SPACES 29JAN85KS/BP)
|
|
|
|
: SPACE BL EMIT ;
|
|
|
|
: SPACES ( U --) 0 ?DO SPACE LOOP ;
|
|
|
|
\\
|
|
: -TRAILING ( ADDR N1 -- ADDR N2)
|
|
2DUP BOUNDS
|
|
?DO 2DUP + 1- C@ BL -
|
|
IF LEAVE THEN 1- LOOP ;
|
|
|
|
|
|
|
|
|
|
|
|
\ HOLD <# #> SIGN # #S 24DEC83KS)
|
|
| : HLD ( -- ADDR) PAD 2- ;
|
|
|
|
: HOLD ( CHAR -- ) -1 HLD +! HLD @ C! ;
|
|
|
|
: <# HLD HLD ! ;
|
|
|
|
: #> ( 32B -- ADDR +N ) 2DROP HLD @ HLD OVER - ;
|
|
|
|
: SIGN ( N -- ) 0< IF ASCII - HOLD THEN ;
|
|
|
|
: # ( +D1 -- +D2) BASE @ UD/MOD ROT 09 OVER <
|
|
IF [ ASCII A ASCII 9 - 1- ] LITERAL +
|
|
THEN ASCII 0 + HOLD ;
|
|
|
|
: #S ( +D -- 0 0 ) BEGIN # 2DUP D0= UNTIL ;
|
|
\ PRINT NUMBERS 24DEC83KS)
|
|
|
|
: D.R -ROT UNDER DABS <# #S ROT SIGN #>
|
|
ROT OVER MAX OVER - SPACES TYPE ;
|
|
|
|
: .R SWAP EXTEND ROT D.R ;
|
|
|
|
: U.R 0 SWAP D.R ;
|
|
|
|
: D. 0 D.R SPACE ;
|
|
|
|
: . EXTEND D. ;
|
|
|
|
: U. 0 D. ;
|
|
|
|
|
|
\ .S LIST C/L L/S 24DEC83KS)
|
|
|
|
: .S SP@ S0 @ OVER - 020 UMIN BOUNDS ?DO I @ U. 2 +LOOP ;
|
|
|
|
40 CONSTANT C/L \ SCREEN LINE LENGTH
|
|
|
|
10 CONSTANT L/S \ LINES PER SCREEN
|
|
|
|
: LIST ( BLK --)
|
|
SCR ! ." SCR " SCR @ DUP U.
|
|
." DR " DRV? .
|
|
L/S 0 DO CR I 2 .R SPACE SCR @ BLOCK
|
|
I C/L * + C/L -TRAILING TYPE LOOP CR ;
|
|
|
|
|
|
|
|
\ MULTITASKER PRIMITIVES BP03NOV85)
|
|
CODE PAUSE NEXT HERE 2- ! END-CODE
|
|
|
|
: LOCK ( ADDR --)
|
|
DUP @ UP@ = IF DROP EXIT THEN
|
|
BEGIN DUP @ WHILE PAUSE REPEAT UP@ SWAP ! ;
|
|
|
|
: UNLOCK ( ADDR --) DUP LOCK OFF ;
|
|
|
|
LABEL WAKE WAKE >WAKE !
|
|
PLA SEC 5 # SBC UP STA PLA 0 # SBC UP 1+ STA
|
|
04C # LDA UP X) STA 6 # LDY UP )Y LDA SP STA
|
|
INY UP )Y LDA SP 1+ STA 1 # LDY
|
|
SP X) LDA RP STA SP )Y LDA RP 1+ STA SP 2INC
|
|
IP # LDX XPULL JMP END-CODE
|
|
|
|
\ BUFFER MECHANISM 15DEC83KS)
|
|
|
|
USER FILE 0 FILE ! \ ADR OF FILE CONTROL BLOCK
|
|
|
|
VARIABLE PREV 0 PREV ! \ LISTHEAD
|
|
|
|
| VARIABLE BUFFERS 0 BUFFERS ! \ SEMAPHOR
|
|
|
|
0408 CONSTANT B/BUF \ PHYSIKALISCHE GROESSE
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
\\ STRUCTUR EINES BUFFERS:
|
|
0 : LINK
|
|
2 : FILE
|
|
6 : BLOCKNR
|
|
8 : STATUSFLAGS
|
|
0A : DATA .. 1 KB ..
|
|
|
|
STATUSFLAG BITS: 15 1 -> UPDATED
|
|
|
|
FILE = -1 EMPTY BUFFER
|
|
= 0 NO FCB , DIRECT ACCESS
|
|
= ELSE ADR OF FCB
|
|
( SYSTEM DEPENDENT )
|
|
|
|
|
|
|
|
\ SEARCH FOR BLOCKS IN MEMORY 11JUN85BP)
|
|
|
|
LABEL THISBUFFER? 2 # LDY
|
|
[[ N 4 + )Y LDA N 2- ,Y CMP
|
|
0= ?[[ INY 6 # CPY 0= ?] ]? RTS \ ZERO IF THIS BUFFER )
|
|
|
|
| CODE (CORE? ( BLK FILE -- ADDR / BLK FILE )
|
|
\ N-AREA : 0 BLK 2 FILE 4 BUFFER
|
|
\ 6 PREDECESSOR
|
|
3 # LDY
|
|
[[ SP )Y LDA N ,Y STA DEY 0< ?]
|
|
USER' OFFSET # LDY CLC UP )Y LDA N 2+ ADC N 2+ STA
|
|
INY UP )Y LDA N 3 + ADC N 3 + STA PREV LDA N 4 + STA
|
|
PREV 1+ LDA N 5 + STA THISBUFFER? JSR 0= ?[
|
|
|
|
|
|
\ " 11JUN85BP)
|
|
|
|
LABEL BLOCKFOUND SP 2INC 1 # LDY
|
|
8 # LDA CLC N 4 + ADC SP X) STA
|
|
N 5 + LDA 0 # ADC SP )Y STA
|
|
' EXIT @ JMP ]?
|
|
[[ N 4 + LDA N 6 + STA N 5 + LDA N 7 + STA
|
|
N 6 + X) LDA N 4 + STA 1 # LDY
|
|
N 6 + )Y LDA N 5 + STA N 4 + ORA
|
|
0= ?[ ( LIST EMPTY ) NEXT JMP ]?
|
|
THISBUFFER? JSR 0= ?] \ FOUND, RELINK
|
|
N 4 + X) LDA N 6 + X) STA 1 # LDY N 4 + )Y LDA N 6 + )Y STA
|
|
PREV LDA N 4 + X) STA PREV 1+ LDA N 4 + )Y STA
|
|
N 4 + LDA PREV STA N 5 + LDA PREV 1+ STA
|
|
BLOCKFOUND JMP END-CODE
|
|
|
|
\\ (CORE? 23SEP85BP
|
|
| : this? ( blk file bufadr -- flag )
|
|
DUP 4+ @ SWAP 2+ @ D= ;
|
|
|
|
| : (CORE? ( BLK FILE -- DATAADDR / BLK FILE )
|
|
BEGIN OVER OFFSET @ + OVER PREV @
|
|
THIS? IF RDROP 2DROP PREV @ 8 + EXIT THEN
|
|
2DUP >R OFFSET @ + >R PREV @
|
|
BEGIN DUP @ ?DUP
|
|
0= IF RDROP RDROP DROP EXIT THEN
|
|
DUP R> R> 2DUP >R >R ROT THIS? 0=
|
|
WHILE NIP REPEAT DUP @ ROT ! PREV @ OVER ! PREV !
|
|
RDROP RDROP REPEAT ; -2 ALLOT
|
|
|
|
|
|
|
|
\ (DISKERR 11JUN85BP)
|
|
|
|
: (DISKERR ." ERROR ! R TO RETRY "
|
|
KEY DUP ASCII R = SWAP ASCII R =
|
|
OR NOT ABORT" ABORTED" ;
|
|
|
|
|
|
DEFER DISKERR ' (DISKERR IS DISKERR
|
|
|
|
DEFER R/W
|
|
|
|
|
|
|
|
|
|
|
|
|
|
\ BACKUP EMPTYBUF READBLK 11JUN85BP)
|
|
| : BACKUP ( BUFADDR --)
|
|
DUP 6+ @ 0<
|
|
IF 2+ DUP @ 1+ \ BUFFER EMPTY IF FILE = -1
|
|
IF INPUT PUSH OUTPUT PUSH STANDARDI/O
|
|
BEGIN DUP 6+ OVER 2+ @ 2 PICK @ 0 R/W
|
|
WHILE ." WRITE " DISKERR
|
|
REPEAT THEN
|
|
080 OVER 4+ 1+ CTOGGLE THEN DROP ;
|
|
|
|
| : EMPTYBUF ( BUFADDR --) 2+ DUP ON 4+ OFF ;
|
|
|
|
| : READBLK ( BLK FILE ADDR -- BLK FILE ADDR)
|
|
DUP EMPTYBUF INPUT PUSH OUTPUT PUSH STANDARDI/O >R
|
|
BEGIN OVER OFFSET @ + OVER R@ 8 + -ROT 1 R/W
|
|
WHILE ." READ " DISKERR REPEAT R> ;
|
|
\ TAKE MARK UPDATES? FULL? CORE? BP)
|
|
|
|
| : TAKE ( -- BUFADDR) PREV
|
|
BEGIN DUP @ WHILE @ DUP 2+ @ -1 = UNTIL
|
|
BUFFERS LOCK DUP BACKUP ;
|
|
|
|
| : MARK ( BLK FILE BUFADDR -- BLK FILE )
|
|
2+ >R 2DUP R@ ! OFFSET @ + R@ 2+ !
|
|
R> 4+ OFF BUFFERS UNLOCK ;
|
|
|
|
| : UPDATES? ( -- BUFADDR / FLAG)
|
|
PREV BEGIN @ DUP WHILE DUP 6+ @ 0< UNTIL ;
|
|
|
|
| : FULL? ( -- FLAG) PREV BEGIN @ DUP @ 0= UNTIL 6+ @ 0< ;
|
|
|
|
: CORE? ( BLK FILE -- ADDR /FALSE) (CORE? 2DROP FALSE ;
|
|
\ BLOCK & BUFFER MANIPULATION 11JUN85BP)
|
|
|
|
: (BUFFER ( BLK FILE -- ADDR)
|
|
BEGIN (CORE? TAKE MARK REPEAT ; -2 ALLOT
|
|
|
|
: (BLOCK ( BLK FILE -- ADDR)
|
|
BEGIN (CORE? TAKE READBLK MARK REPEAT ; -2 ALLOT
|
|
|
|
| CODE FILE@ ( -- N ) USER' FILE # LDY
|
|
UP )Y LDA PHA INY UP )Y LDA PUSH JMP END-CODE
|
|
|
|
: BUFFER ( BLK -- ADDR ) FILE@ (BUFFER ;
|
|
|
|
: BLOCK ( BLK -- ADDR ) FILE@ (BLOCK ;
|
|
|
|
|
|
\ BLOCK & BUFFER MANIPULATION 09SEP84KS)
|
|
|
|
: UPDATE 080 PREV @ 6+ 1+ C! ;
|
|
|
|
: SAVE-BUFFERS
|
|
BUFFERS LOCK BEGIN UPDATES? ?DUP WHILE BACKUP REPEAT
|
|
BUFFERS UNLOCK ;
|
|
|
|
: EMPTY-BUFFERS
|
|
BUFFERS LOCK PREV
|
|
BEGIN @ ?DUP
|
|
WHILE DUP EMPTYBUF
|
|
REPEAT BUFFERS UNLOCK ;
|
|
|
|
: FLUSH SAVE-BUFFERS EMPTY-BUFFERS ;
|
|
|
|
\ MOVING BLOCKS 15DEC83KS)
|
|
| : (COPY ( FROM TO --) DUP FILE@
|
|
CORE? IF PREV @ EMPTYBUF THEN
|
|
FULL? IF SAVE-BUFFERS THEN
|
|
OFFSET @ + SWAP BLOCK 2- 2- ! UPDATE ;
|
|
|
|
| : BLKMOVE ( FROM TO QUAN --) SAVE-BUFFERS >R
|
|
OVER R@ + OVER U> >R 2DUP U< R> AND
|
|
IF R@ R@ D+ R> 0 ?DO -1 -2 D+ 2DUP (COPY LOOP
|
|
ELSE R> 0 ?DO 2DUP (COPY 1 1 D+ LOOP
|
|
THEN SAVE-BUFFERS 2DROP ;
|
|
|
|
: COPY ( FROM TO --) 1 BLKMOVE ;
|
|
|
|
: CONVEY ( [BLK1 BLK2] [TO.BLK --)
|
|
SWAP 1+ 2 PICK - DUP 0> NOT ABORT" NEIN" BLKMOVE ;
|
|
\ ALLOCATING BUFFERS 23SEP83KS)
|
|
|
|
F000 CONSTANT LIMIT VARIABLE FIRST
|
|
|
|
: ALLOTBUFFER ( -- )
|
|
FIRST @ R0 @ - B/BUF 2+ U< ?EXIT
|
|
B/BUF NEGATE FIRST +! FIRST @ DUP EMPTYBUF
|
|
PREV @ OVER ! PREV ! ;
|
|
|
|
: FREEBUFFER ( -- )
|
|
FIRST @ LIMIT B/BUF - U<
|
|
IF SAVE-BUFFERS BEGIN DUP @ FIRST @ - WHILE @ REPEAT
|
|
FIRST @ @ SWAP ! B/BUF FIRST +! THEN ;
|
|
|
|
: ALL-BUFFERS BEGIN FIRST @ ALLOTBUFFER FIRST @ = UNTIL ;
|
|
|
|
\ ENDPOINTS OF FORGET 04JAN85BP/KS)
|
|
| : \? ( NFA -- FLAG ) C@ 020 AND ;
|
|
|
|
| : FORGET? ( ADR NFA -- FLAG ) \ CODE IN HEAP OR ABOVE ADR ?
|
|
NAME> UNDER 1+ U< SWAP HEAP? OR ;
|
|
|
|
| : ENDPOINTS ( ADDR -- ADDR SYMB)
|
|
HEAP VOC-LINK @ >R
|
|
BEGIN R> @ ?DUP \ THROUGH ALL VOCABS
|
|
WHILE DUP >R 4 - >R \ LINK ON RETURNST.
|
|
BEGIN R> @ >R OVER 1- DUP R@ U< \ UNTIL LINK OR
|
|
SWAP R@ 2+ NAME> U< AND \ CODE UNDER ADR
|
|
WHILE R@ HEAP? [ 2DUP ] UNTIL \ SEARCH FOR A NAME IN HEAP
|
|
R@ 2+ \? IF OVER R@ 2+ FORGET?
|
|
IF R@ 2+ (NAME> 2+ UMAX THEN \ THEN UPDATE SYMB
|
|
THEN REPEAT RDROP REPEAT ;
|
|
\ REMOVE 23JUL85WE
|
|
|
|
| CODE REMOVE ( DIC SYMB THR - DIC SYMB)
|
|
5 # LDY [[ SP )Y LDA N ,Y STA DEY 0< ?] USER' S0 # LDY
|
|
CLC UP )Y LDA 6 # ADC N 6 + STA
|
|
INY UP )Y LDA 0 # ADC N 7 + STA 1 # LDY
|
|
[[ N X) LDA N 8 + STA N )Y LDA N 9 + STA N 8 + ORA 0<>
|
|
?[[ N 8 + LDA N 6 + CMP N 9 + LDA N 7 + SBC CS
|
|
?[ N 8 + LDA N 2 + CMP N 9 + LDA N 3 + SBC
|
|
][ N 4 + LDA N 8 + CMP N 5 + LDA N 9 + SBC
|
|
]? CC
|
|
?[ N 8 + X) LDA N X) STA N 8 + )Y LDA N )Y STA
|
|
][ N 8 + LDA N STA N 9 + LDA N 1+ STA ]?
|
|
]]? (DROP JMP END-CODE
|
|
|
|
|
|
\ REMOVE- FORGET-WORDS 29APR85BP)
|
|
|
|
| : REMOVE-WORDS ( DIC SYMB -- DIC SYMB)
|
|
VOC-LINK BEGIN @ ?DUP WHILE DUP >R 4 - REMOVE R> REPEAT ;
|
|
|
|
| : REMOVE-TASKS ( DIC --)
|
|
UP@ BEGIN 1+ DUP @ UP@ - WHILE 2DUP @ SWAP HERE UWITHIN
|
|
IF DUP @ 1+ @ OVER ! 1- ELSE @ THEN REPEAT 2DROP ;
|
|
|
|
| : REMOVE-VOCS ( DIC SYMB -- DIC SYMB)
|
|
VOC-LINK REMOVE THRU.VOCSTACK
|
|
DO 2DUP I @ -ROT UWITHIN
|
|
IF [ ' FORTH 2+ ] LITERAL I ! THEN -2 +LOOP
|
|
2DUP CURRENT @ -ROT UWITHIN
|
|
IF [ ' FORTH 2+ ] LITERAL CURRENT ! THEN ;
|
|
|
|
\
|
|
|
|
| : FORGET-WORDS ( DIC SYMB --)
|
|
OVER REMOVE-TASKS REMOVE-VOCS
|
|
REMOVE-WORDS
|
|
HEAP SWAP - HALLOT DP ! 0 LAST ! ;
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
\ DELETING WORDS FROM DICT. 13JAN83KS)
|
|
|
|
: CLEAR HERE DUP UP@ FORGET-WORDS DP ! ;
|
|
|
|
: (FORGET ( ADR --) DUP HEAP? ABORT" IS SYMBOL"
|
|
ENDPOINTS FORGET-WORDS ;
|
|
|
|
: FORGET ' DUP [ DP ] LITERAL @ U< ABORT" PROTECTED"
|
|
>NAME DUP HEAP? IF NAME> ELSE 2- 2- THEN (FORGET ;
|
|
|
|
: EMPTY [ DP ] LITERAL @
|
|
UP@ FORGET-WORDS [ UDP ] LITERAL @ UDP ! ;
|
|
|
|
|
|
|
|
|
|
\ SAVE BYE STOP? ?CR 20OCT84KS/BP)
|
|
|
|
: SAVE
|
|
HERE UP@ FORGET-WORDS VOC-LINK @
|
|
BEGIN DUP 2- 2- @ OVER 2- ! @ ?DUP 0= UNTIL
|
|
UP@ ORIGIN 0100 CMOVE ;
|
|
|
|
: BYE FLUSH EMPTY (BYE ;
|
|
|
|
| : END? KEY #CR (C 3 ) = IF TRUE RDROP THEN ;
|
|
|
|
: STOP? ( -- FLAG) KEY? IF END? END? THEN FALSE ;
|
|
|
|
: ?CR COL C/L 0A - U> IF CR THEN ;
|
|
|
|
|
|
\ IN/OUTPUT STRUCTURE 02MAR85BP)
|
|
| : OUT: CREATE DUP C, 2+ DOES> C@ OUTPUT @ + PERFORM ;
|
|
|
|
: OUTPUT: CREATE ] DOES> OUTPUT ! ;
|
|
0 OUT: EMIT OUT: CR OUT: TYPE
|
|
OUT: DEL OUT: PAGE OUT: AT OUT: AT? DROP
|
|
|
|
: ROW ( -- ROW) AT? DROP ;
|
|
: COL ( -- COL) AT? NIP ;
|
|
|
|
| : IN: CREATE DUP C, 2+ DOES> C@ INPUT @ + PERFORM ;
|
|
|
|
: INPUT: CREATE ] DOES> INPUT ! ;
|
|
|
|
0 IN: KEY IN: KEY? IN: DECODE IN: EXPECT DROP
|
|
|
|
\ ALIAS ONLY DEFINITIONEN 29JAN85BP)
|
|
|
|
ONLY DEFINITIONS FORTH
|
|
|
|
: SEAL 0 ['] ONLY >BODY ! ; \ KILL ALL WORDS IN ONLY)
|
|
|
|
' ONLY ALIAS ONLY
|
|
' FORTH ALIAS FORTH
|
|
' WORDS ALIAS WORDS
|
|
' ALSO ALIAS ALSO
|
|
' DEFINITIONS ALIAS DEFINITIONS
|
|
HOST TARGET
|
|
|
|
|
|
|
|
|
|
\ 'COLD 07JUN85BP)
|
|
| : INIT-VOCABULARYS VOC-LINK @
|
|
BEGIN DUP 2- @ OVER 4 - ! @ ?DUP 0= UNTIL ;
|
|
|
|
| : INIT-BUFFERS 0 PREV ! LIMIT FIRST ! ALL-BUFFERS ;
|
|
|
|
DEFER 'COLD ' NOOP IS 'COLD
|
|
|
|
| : (COLD INIT-VOCABULARYS INIT-BUFFERS PAGE 'COLD ONLYFORTH
|
|
." ULTRAFORTH-83 REV 3.5" CR RESTART ; -2 ALLOT
|
|
|
|
DEFER 'RESTART ' NOOP IS 'RESTART
|
|
| : (RESTART ['] (QUIT IS 'QUIT
|
|
DRVINIT 'RESTART [ ERRORHANDLER ] LITERAL @ ERRORHANDLER !
|
|
['] NOOP IS 'ABORT ABORT ; -2 ALLOT
|
|
|
|
\ COLD BOOTSYSTEM RESTART 09JUL85WE)
|
|
CODE COLD HERE >COLD !
|
|
' (COLD >BODY 100 U/MOD # LDA PHA # LDA PHA
|
|
|
|
LABEL BOOTSYSTEM CLI 0 # LDY
|
|
CLC S0 LDA 6 # ADC N STA S0 1+ LDA 0 # ADC N 1+ STA
|
|
[[ ORIGIN ,Y LDA N )Y STA INY 0= ?]
|
|
LABEL WARMBOOT BOOTNEXTLEN 1- # LDY
|
|
[[ BOOTNEXT ,Y LDA PUTA ,Y STA DEY 0< ?]
|
|
CLC S0 LDA 6 # ADC UP STA S0 1+ LDA 0 # ADC UP 1+ STA
|
|
USER' S0 # LDY UP )Y LDA SP STA INY UP )Y LDA SP 1+ STA
|
|
USER' R0 # LDY UP )Y LDA RP STA INY UP )Y LDA RP 1+ STA
|
|
0 # LDX 1 # LDY TXA RP X) STA RP )Y STA
|
|
PLA IP STA PLA IP 1+ STA
|
|
LABEL XYNEXT 0 # LDX 1 # LDY NEXT JMP END-CODE
|
|
|
|
\ ( RESTART PARAM.-PASSING TO FORTH BP)
|
|
|
|
CODE RESTART HERE >RESTART !
|
|
' (RESTART >BODY 100 U/MOD
|
|
# LDA PHA # LDA PHA WARMBOOT JMP END-CODE
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
\ CODE FOR PARAMETER-PASSING TO FORTH er14dez88
|
|
|
|
|
|
include serial.scr
|
|
|
|
|
|
HOST ' TRANSIENT 8 + @
|
|
TRANSIENT FORTH CONTEXT @ 6 + !
|
|
TARGET \ KOTZ WUERG !
|
|
|
|
FORTH ALSO DEFINITIONS
|
|
|
|
: FORTH-83 ; \ LAST WORD IN DICTIONARY
|
|
|
|
|
|
|
|
\ SYSTEM DEPENDENT CONSTANTS BP/KS)
|
|
|
|
VOCABULARY ASSEMBLER
|
|
ASSEMBLER DEFINITIONS
|
|
TRANSIENT ASSEMBLER
|
|
PUSHA CONSTANT PUSHA \ PUT A SIGN-EXTENDED ON STACK
|
|
PUSH0A CONSTANT PUSH0A \ PUT A ON STACK
|
|
PUSH CONSTANT PUSH \ MSB IN A AND LSB ON JSR-STACK
|
|
RP CONSTANT RP
|
|
UP CONSTANT UP
|
|
SP CONSTANT SP
|
|
IP CONSTANT IP
|
|
N CONSTANT N
|
|
PUTA CONSTANT PUTA
|
|
W CONSTANT W
|
|
SETUP CONSTANT SETUP
|
|
\
|
|
NEXT CONSTANT NEXT
|
|
XYNEXT CONSTANT XYNEXT
|
|
(2DROP CONSTANT POPTWO
|
|
(DROP CONSTANT POP
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
\ SYSTEM PATCHUP 05JAN85BP)
|
|
|
|
FORTH DEFINITIONS
|
|
|
|
6000 ' LIMIT >BODY !
|
|
$5800 S0 ! $5B00 R0 !
|
|
|
|
S0 @ DUP S0 2- ! 6 + S0 7 - !
|
|
HERE DP !
|
|
|
|
HOST TUDP @ TARGET UDP !
|
|
HOST TVOC-LINK @ TARGET VOC-LINK !
|
|
HOST MOVE-THREADS
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
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ende 123
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\ cas21dec05
|
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forth definitions
|
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: (C [compile] ( ; IMMEDIATE \ : ) ; IMMEDIATE
|
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|
|
$2000 DISPLACE !
|
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|
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TARGET DEFINITIONS $2000 HERE!
|
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hex
|
|
&01 &126 +THRU
|
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decimal
|
|
\ ASSEMBLER NONRELOCATE
|
|
.( Unresolved: )
|
|
.UNRESOLVED cr
|
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CR .( SAVE-TARGET 6502-FORTH83)
|
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\ FORTH PREAMBLE AND ID 10JAN85BP) er14dez88
|
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|
ASSEMBLER
|
|
NOP 0 JMP HERE 2- >LABEL >COLD
|
|
NOP 0 JMP HERE 2- >LABEL >RESTART
|
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|
|
HERE DUP ORIGIN!
|
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\ HIER BEGINNEN DIE KALTSTARTWERTE DER cas21dec05
|
|
\ BENUTZERVARIABLEN
|
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|
|
0 JMP 0 JSR HERE 2- >LABEL >WAKE
|
|
END-CODE
|
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|
|
0D6 ALLOT
|
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|
|
," VOLKSFORTH-83 3.8 COMPILED 21DEC05CS"
|
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\ ZERO PAGE VARIABLES & NEXT 03APR85BP) cs09aug05
|
|
|
|
A0 DUP >LABEL RP 2+ .( 02 durch 8E ersetzt )
|
|
DUP >LABEL UP 2+
|
|
DUP >LABEL PUTA 1+
|
|
DUP >LABEL SP 2+
|
|
DUP >LABEL NEXT
|
|
DUP 5 + >LABEL IP
|
|
13 + >LABEL W
|
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|
|
W 8 + >LABEL N
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|
\ NEXT, MOVED INTO ZERO PAGE 08APR85BP)
|
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|
|
LABEL BOOTNEXT
|
|
-1 STA \ -1 IS DUMMY SP
|
|
IP )Y LDA W 1+ STA
|
|
-1 LDA W STA \ -1 IS DUMMY IP
|
|
CLC IP LDA 2 # ADC IP STA
|
|
CS NOT ?[ LABEL WJMP -1 ) JMP ]?
|
|
IP 1+ INC WJMP BCS END-CODE
|
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\
|
|
HERE BOOTNEXT - >LABEL BOOTNEXTLEN
|
|
|
|
CODE END-TRACE ( PATCH NEXT FOR TRACE )
|
|
0A5 # LDA NEXT 0A + STA
|
|
IP # LDA NEXT 0B + STA
|
|
069 # LDA NEXT 0C + STA
|
|
02 # LDA NEXT 0D + STA
|
|
NEXT JMP END-CODE
|
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|
|
\ ;C: NOOP 24MAY84KS)
|
|
|
|
CREATE RECOVER ASSEMBLER
|
|
PLA W STA PLA W 1+ STA
|
|
W WDEC 0 JMP END-CODE
|
|
|
|
HERE 2- >LABEL >RECOVER
|
|
\ HANDGESTRICKTE VORWAERTS REFERENZ FUER
|
|
\ DEN JMP-BEFEHL
|
|
|
|
COMPILER ASSEMBLER ALSO DEFINITIONS
|
|
H : ;C: 0 T RECOVER JSR
|
|
END-CODE ] H ;
|
|
TARGET
|
|
CODE NOOP NEXT HERE 2- ! END-CODE
|
|
|
|
\ USER VARIABLES 17MAR84KS) cas09dec05
|
|
|
|
CONSTANT ORIGIN 8 UALLOT DROP
|
|
\ FOR MULTITASKER
|
|
|
|
|
|
USER S0 $7000 S0 ! USER R0 $7500 R0 !
|
|
USER DP USER OFFSET 0 OFFSET !
|
|
USER BASE &10 BASE ! USER OUTPUT
|
|
USER INPUT
|
|
USER ERRORHANDLER \ POINTER FOR ABORT" -CODE
|
|
USER VOC-LINK
|
|
USER UDP \ POINTS TO NEXT FREE ADDR IN USER
|
|
|
|
|
|
|
|
\ MANIPULATE SYSTEM POINTERS 29JAN85BP)
|
|
|
|
CODE SP@ ( -- ADDR)
|
|
SP LDA N STA SP 1+ LDA N 1+ STA
|
|
N # LDX
|
|
LABEL XPUSH
|
|
SP 2DEC 1 ,X LDA SP )Y STA
|
|
0 ,X LDA 0 # LDX PUTA JMP END-CODE
|
|
|
|
CODE SP! ( ADDR --)
|
|
SP X) LDA TAX SP )Y LDA
|
|
SP 1+ STA SP STX 0 # LDX
|
|
NEXT JMP END-CODE
|
|
|
|
|
|
|
|
\
|
|
CODE UP@ ( -- ADDR)
|
|
UP # LDX XPUSH JMP END-CODE
|
|
|
|
CODE UP! ( ADDR --) UP # LDX
|
|
LABEL XPULL SP )Y LDA 1 ,X STA
|
|
DEY SP )Y LDA 0 ,X STA
|
|
LABEL (XYDROP 0 # LDX 1 # LDY
|
|
LABEL (DROP SP 2INC NEXT JMP
|
|
END-CODE RESTRICT
|
|
|
|
|
|
|
|
|
|
|
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|
|
\ MANIPULATE RETURNSTACK 16FEB85BP/KS)
|
|
CODE RP@ ( -- ADDR )
|
|
RP # LDX XPUSH JMP END-CODE
|
|
|
|
CODE RP! ( ADDR -- )
|
|
RP # LDX XPULL JMP END-CODE RESTRICT
|
|
|
|
CODE >R ( 16B -- )
|
|
RP 2DEC SP X) LDA RP X) STA
|
|
SP )Y LDA RP )Y STA (DROP JMP
|
|
END-CODE RESTRICT
|
|
|
|
|
|
|
|
|
|
|
|
\
|
|
CODE R> ( -- 16B)
|
|
SP 2DEC RP X) LDA SP X) STA
|
|
RP )Y LDA SP )Y STA
|
|
LABEL (RDROP 2 # LDA
|
|
|
|
LABEL (NRDROP CLC RP ADC RP STA
|
|
CS ?[ RP 1+ INC ]?
|
|
NEXT JMP END-CODE RESTRICT
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
\ R@ RDROP EXIT ?EXIT 08APR85BP)
|
|
|
|
CODE R@ ( -- 16B)
|
|
SP 2DEC RP )Y LDA SP )Y STA
|
|
RP X) LDA PUTA JMP
|
|
END-CODE
|
|
CODE RDROP (RDROP HERE 2- !
|
|
END-CODE RESTRICT
|
|
|
|
CODE EXIT
|
|
RP X) LDA IP STA
|
|
RP )Y LDA IP 1+ STA
|
|
(RDROP JMP END-CODE
|
|
|
|
|
|
|
|
\ EXECUTE PERFORM 08APR85BP)
|
|
|
|
CODE ?EXIT ( FLAG -- )
|
|
SP X) LDA SP )Y ORA
|
|
PHP SP 2INC PLP
|
|
' EXIT @ BNE NEXT JMP
|
|
END-CODE
|
|
|
|
CODE EXECUTE ( ADDR --)
|
|
SP X) LDA W STA
|
|
SP )Y LDA W 1+ STA
|
|
SP 2INC W 1- JMP END-CODE
|
|
|
|
: PERFORM ( ADDR -- ) @ EXECUTE ;
|
|
|
|
|
|
\ C@ C! CTOGGLE 10JAN85BP)
|
|
|
|
CODE C@ ( ADDR -- 8B)
|
|
|
|
SP X) LDA N STA SP )Y LDA N 1+ STA
|
|
LABEL (C@ 0 # LDA SP )Y STA
|
|
N X) LDA PUTA JMP END-CODE
|
|
|
|
CODE C! ( 16B ADDR --)
|
|
SP X) LDA N STA SP )Y LDA N 1+ STA
|
|
INY SP )Y LDA N X) STA DEY
|
|
LABEL (2DROP
|
|
SP LDA CLC 4 # ADC SP STA
|
|
CS ?[ SP 1+ INC ]?
|
|
NEXT JMP END-CODE
|
|
|
|
\ @ ! +! 08APR85BP) er14dez88
|
|
|
|
: CTOGGLE ( 8B ADDR --) UNDER C@ XOR SWAP C! ;
|
|
|
|
CODE @ ( ADDR -- 16B)
|
|
SP X) LDA N STA SP )Y LDA N 1+ STA
|
|
N )Y LDA SP )Y STA
|
|
N X) LDA PUTA JMP END-CODE
|
|
|
|
CODE ! ( 16B ADDR --)
|
|
SP X) LDA N STA SP )Y LDA N 1+ STA
|
|
INY SP )Y LDA N X) STA
|
|
INY SP )Y LDA 1 # LDY
|
|
LABEL (!
|
|
N )Y STA (2DROP JMP END-CODE
|
|
|
|
\ DROP SWAP 24MAY84KS)
|
|
|
|
CODE +! ( N ADDR --)
|
|
SP X) LDA N STA SP )Y LDA N 1+ STA
|
|
INY SP )Y LDA CLC N X) ADC N X) STA
|
|
INY SP )Y LDA 1 # LDY N )Y ADC
|
|
(! JMP END-CODE
|
|
|
|
CODE DROP ( 16B --)
|
|
(DROP HERE 2- ! END-CODE
|
|
|
|
|
|
|
|
|
|
|
|
|
|
\
|
|
CODE SWAP ( 16B1 16B2 -- 16B2 16B1 )
|
|
SP )Y LDA TAX
|
|
3 # LDY SP )Y LDA N STA
|
|
TXA SP )Y STA
|
|
N LDA 1 # LDY SP )Y STA
|
|
INY 0 # LDX
|
|
SP )Y LDA N STA SP X) LDA SP )Y STA
|
|
DEY
|
|
N LDA PUTA JMP END-CODE
|
|
|
|
|
|
|
|
|
|
|
|
|
|
\ DUP ?DUP 08MAY85BP)
|
|
|
|
CODE DUP ( 16B -- 16B 16B)
|
|
SP 2DEC
|
|
3 # LDY SP )Y LDA 1 # LDY SP )Y STA
|
|
|
|
INY SP )Y LDA DEY
|
|
PUTA JMP END-CODE
|
|
|
|
CODE ?DUP ( 16B -- 16B 16B / FALSE)
|
|
SP X) LDA SP )Y ORA
|
|
0= ?[ NEXT JMP ]?
|
|
' DUP @ JMP END-CODE
|
|
\\ : ?DUP ( 16B -- 16B 16B / FALSE)
|
|
DUP IF DUP THEN ;
|
|
: DUP SP@ @ ;
|
|
\ OVER ROT 13JUN84KS)
|
|
|
|
CODE OVER ( 16B1 16B2 - 16B1 16B3 16B1)
|
|
SP 2DEC 4 # LDY SP )Y LDA SP X) STA
|
|
INY SP )Y LDA 1 # LDY SP )Y STA
|
|
NEXT JMP END-CODE
|
|
|
|
|
|
\\ : ROT >R SWAP R> SWAP ;
|
|
: OVER >R DUP R> SWAP ;
|
|
|
|
|
|
|
|
|
|
|
|
|
|
\ er14dez88
|
|
CODE ROT ( 16B1 16B2 16B3 -- 16B2 16B3 16B1)
|
|
3 # LDY SP )Y LDA N 1+ STA
|
|
1 # LDY SP )Y LDA 3 # LDY SP )Y STA
|
|
5 # LDY SP )Y LDA N STA
|
|
N 1+ LDA SP )Y STA
|
|
1 # LDY N LDA SP )Y STA
|
|
INY SP )Y LDA N 1+ STA
|
|
SP X) LDA SP )Y STA
|
|
4 # LDY SP )Y LDA SP X) STA
|
|
N 1+ LDA SP )Y STA
|
|
1 # LDY NEXT JMP END-CODE
|
|
|
|
|
|
|
|
|
|
\ -ROT NIP UNDER PICK ROLL 24DEC83KS)
|
|
: -ROT ( 16B1 16B2 16B3 -- 16B3 16B1 16B2)
|
|
ROT ROT ;
|
|
|
|
: NIP ( 16B1 16B2 -- 16B2) SWAP DROP ;
|
|
|
|
|
|
: UNDER ( 16B1 16B2 -- 16B2 16B1 16B2) SWAP OVER ;
|
|
|
|
: PICK ( N -- 16B.N ) 1+ 2* SP@ + @ ;
|
|
|
|
: ROLL ( N --) DUP >R PICK SP@ DUP 2+ R> 1+ 2* CMOVE> DROP ;
|
|
|
|
\\ : -ROLL ( N --)
|
|
>R DUP SP@ DUP 2+ DUP 2+ SWAP
|
|
R@ 2* CMOVE R> 1+ 2* + ! ;
|
|
\ DOUBLE WORD STACK MANIP. 21APR83KS)
|
|
|
|
: 2SWAP ( 32B1 32B2 -- 32B2 32B1) ROT >R ROT R> ;
|
|
|
|
CODE 2DROP ( 32B -- )
|
|
(2DROP HERE 2- ! END-CODE
|
|
|
|
: 2DUP ( 32B -- 32B 32B) OVER OVER ;
|
|
|
|
\ : 2DROP ( 32B -- ) DROP DROP ;
|
|
|
|
|
|
|
|
|
|
|
|
|
|
\ + AND OR XOR 08APR85BP)
|
|
COMPILER ASSEMBLER ALSO DEFINITIONS
|
|
|
|
H : DYADOP ( OPCODE --) T
|
|
INY SP X) LDA DUP C, SP C, SP )Y STA
|
|
DEY SP )Y LDA 3 # LDY C, SP C, SP )Y STA
|
|
(XYDROP JMP H ;
|
|
TARGET
|
|
|
|
CODE + ( N1 N2 -- N3) CLC 071 DYADOP END-CODE
|
|
|
|
CODE OR ( 16B1 16B2 -- 16B3) 011 DYADOP END-CODE
|
|
|
|
CODE AND ( 16B1 16B2 -- 16B3) 031 DYADOP END-CODE
|
|
|
|
CODE XOR ( 16B1 16B2 -- 16B3) 051 DYADOP END-CODE
|
|
\ - NOT NEGATE 24DEC83KS)
|
|
|
|
CODE - ( N1 N2 -- N3)
|
|
INY SP )Y LDA SEC SP X) SBC SP )Y STA INY SP )Y LDA
|
|
1 # LDY SP )Y SBC 3 # LDY SP )Y STA (XYDROP JMP END-CODE
|
|
|
|
CODE NOT ( 16B1 -- 16B2) CLC
|
|
LABEL (NOT TXA SP X) SBC SP X) STA TXA SP )Y SBC SP )Y STA
|
|
NEXT JMP END-CODE
|
|
|
|
CODE NEGATE ( N1 -- N2 ) SEC (NOT BCS END-CODE
|
|
|
|
\ : - NEGATE + ;
|
|
|
|
|
|
|
|
\ DNEGATE SETUP D+ 14JUN84KS)
|
|
|
|
CODE DNEGATE ( D1 -- -D1)
|
|
INY SEC
|
|
TXA SP )Y SBC SP )Y STA INY
|
|
TXA SP )Y SBC SP )Y STA
|
|
TXA SP X) SBC SP X) STA 1 # LDY
|
|
TXA SP )Y SBC SP )Y STA
|
|
NEXT JMP END-CODE
|
|
LABEL SETUP ( QUAN IN A)
|
|
.A ASL TAX TAY DEY
|
|
[[ SP )Y LDA N ,Y STA DEY 0< ?]
|
|
TXA CLC SP ADC SP STA
|
|
CS ?[ SP 1+ INC ]?
|
|
0 # LDX 1 # LDY RTS END-CODE
|
|
|
|
\
|
|
CODE D+ ( D1 D2 -- D3)
|
|
2 # LDA SETUP JSR INY
|
|
SP )Y LDA CLC N 2+ ADC SP )Y STA INY
|
|
SP )Y LDA N 3 + ADC SP )Y STA
|
|
SP X) LDA N ADC SP X) STA 1 # LDY
|
|
SP )Y LDA N 1+ ADC SP )Y STA
|
|
NEXT JMP END-CODE
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
\ 1+ 2+ 3+ 1- 2- 08APR85BP)
|
|
|
|
CODE 1+ ( N1 -- N2) 1 # LDA
|
|
LABEL N+ CLC SP X) ADC
|
|
CS NOT ?[ PUTA JMP ]?
|
|
SP X) STA SP )Y LDA 0 # ADC SP )Y STA
|
|
NEXT JMP END-CODE
|
|
|
|
CODE 2+ ( N1 -- N2) 2 # LDA N+ BNE END-CODE
|
|
|
|
CODE 3+ ( N1 -- N2) 3 # LDA N+ BNE END-CODE
|
|
|
|
| CODE 4+ ( N1 -- N2) 4 # LDA N+ BNE END-CODE
|
|
|
|
| CODE 6+ ( N1 -- N2) 6 # LDA N+ BNE END-CODE
|
|
|
|
\ NUMBER CONSTANTS 24DEC83KS)
|
|
CODE 1- ( N1 -- N2) SEC
|
|
LABEL (1- SP X) LDA 1 # SBC
|
|
CS ?[ PUTA JMP ]?
|
|
SP X) STA SP )Y LDA 0 # SBC SP )Y STA
|
|
NEXT JMP END-CODE
|
|
CODE 2- ( N1 -- N2) CLC (1- BCC END-CODE
|
|
|
|
-1 CONSTANT TRUE 0 CONSTANT FALSE
|
|
' TRUE ALIAS -1 ' FALSE ALIAS 0
|
|
|
|
1 CONSTANT 1 2 CONSTANT 2
|
|
3 CONSTANT 3 4 CONSTANT 4
|
|
|
|
: ON ( ADDR -- ) TRUE SWAP ! ;
|
|
: OFF ( ADDR -- ) FALSE SWAP ! ;
|
|
\ WORDS FOR NUMBER LITERALS 24MAY84KS) cs08aug05
|
|
|
|
CODE CLIT ( -- 8B)
|
|
SP 2DEC IP X) LDA SP X) STA TXA SP )Y STA IP WINC
|
|
NEXT JMP END-CODE RESTRICT
|
|
|
|
CODE LIT ( -- 16B)
|
|
SP 2DEC IP )Y LDA SP )Y STA IP X) LDA SP X) STA
|
|
LABEL (BUMP IP 2INC NEXT JMP END-CODE RESTRICT
|
|
: LITERAL ( 16B --) DUP 0FF00 AND
|
|
IF COMPILE LIT , EXIT THEN COMPILE CLIT C, ;
|
|
IMMEDIATE RESTRICT
|
|
|
|
\\ : LIT R> DUP 2+ >R @ ;
|
|
: CLIT R> DUP 1+ >R C@ ;
|
|
|
|
\ COMPARISION CODE WORDS 13JUN84KS)
|
|
CODE 0< ( N -- FLAG) SP )Y LDA 0< ?[
|
|
LABEL PUTTRUE 0FF # LDA 024 C, ]?
|
|
LABEL PUTFALSE TXA SP )Y STA
|
|
PUTA JMP END-CODE
|
|
|
|
CODE 0= ( 16B -- FLAG)
|
|
SP X) LDA SP )Y ORA PUTTRUE BEQ PUTFALSE BNE END-CODE
|
|
|
|
CODE UWITHIN ( U1 [LOW UP[ -- FLAG)
|
|
2 # LDA SETUP JSR 1 # LDY SP X) LDA N CMP
|
|
SP )Y LDA N 1+ SBC
|
|
CS NOT ?[ ( N>SP) SP X) LDA N 2+ CMP
|
|
SP )Y LDA N 3 + SBC
|
|
PUTTRUE BCS ]?
|
|
PUTFALSE JMP END-CODE
|
|
\ COMPARISION CODE WORDS 13JUN84KS)
|
|
|
|
CODE < ( N1 N2 -- FLAG)
|
|
SP X) LDA N STA SP )Y LDA N 1+ STA
|
|
SP 2INC
|
|
N 1+ LDA SP )Y EOR ' 0< @ BMI
|
|
SP X) LDA N CMP SP )Y LDA N 1+ SBC
|
|
' 0< @ 2+ JMP END-CODE
|
|
|
|
CODE U< ( U1 U2 -- FLAG)
|
|
SP X) LDA N STA SP )Y LDA N 1+ STA
|
|
SP 2INC
|
|
SP X) LDA N CMP SP )Y LDA N 1+ SBC
|
|
CS NOT ?[ PUTTRUE JMP ]?
|
|
PUTFALSE JMP END-CODE
|
|
|
|
\ COMPARISION WORDS 24DEC83KS)
|
|
|
|
| : 0< 8000 AND 0<> ;
|
|
|
|
: > ( N1 N2 -- FLAG) SWAP < ;
|
|
: 0> ( N -- FLAG) NEGATE 0< ;
|
|
: 0<> ( N -- FLAG) 0= NOT ;
|
|
: U> ( U1 U2 -- FLAG) SWAP U< ;
|
|
: = ( N1 N2 -- FLAG) - 0= ;
|
|
: D0= ( D -- FLAG) OR 0= ;
|
|
: D= ( D1 D2 -- FLAG) DNEGATE D+ D0= ;
|
|
: D< ( D1 D2 -- FLAG) ROT 2DUP -
|
|
IF > NIP NIP ELSE 2DROP U< THEN ;
|
|
|
|
|
|
|
|
\ MIN MAX UMAX UMIN EXTEND DABS ABS KS)
|
|
|
|
| : MINIMAX ( N1 N2 FLAG -- N3)
|
|
RDROP IF SWAP THEN DROP ;
|
|
|
|
: MIN ( N1 N2 -- N3) 2DUP > MINIMAX ; -2 ALLOT
|
|
: MAX ( N1 N2 -- N3) 2DUP < MINIMAX ; -2 ALLOT
|
|
: UMAX ( U1 U2 -- U3) 2DUP U< MINIMAX ; -2 ALLOT
|
|
: UMIN ( U1 U2 -- U3) 2DUP U> MINIMAX ; -2 ALLOT
|
|
|
|
: EXTEND ( N -- D) DUP 0< ;
|
|
|
|
: DABS ( D -- UD) EXTEND IF DNEGATE THEN ;
|
|
: ABS ( N -- U) EXTEND IF NEGATE THEN ;
|
|
|
|
|
|
\ LOOP PRIMITIVES 08FEB85BP/KS)
|
|
|
|
| : DODO RDROP R> 2+ DUP >R ROT >R SWAP >R >R ;
|
|
|
|
|
|
: (DO ( LIMIT STAR -- ) OVER - DODO ; -2 ALLOT RESTRICT
|
|
|
|
: (?DO ( LIMIT START -- )
|
|
OVER - ?DUP IF DODO THEN R> DUP @ + >R DROP ; RESTRICT
|
|
|
|
: BOUNDS ( START COUNT -- LIMIT START ) OVER + SWAP ;
|
|
|
|
CODE ENDLOOP 6 # LDA (NRDROP JMP END-CODE RESTRICT
|
|
|
|
\\ DODO PUTS "INDEX \ LIMIT \
|
|
ADR.OF.DO" ON RETURN-STACK
|
|
\ (LOOP (+LOOP 08APR85BP)
|
|
CODE (LOOP
|
|
CLC 1 # LDA RP X) ADC RP X) STA
|
|
CS ?[ RP )Y LDA 0 # ADC RP )Y STA
|
|
CS ?[ NEXT JMP ]? ]?
|
|
LABEL DOLOOP 5 # LDY
|
|
RP )Y LDA IP 1+ STA DEY
|
|
RP )Y LDA IP STA 1 # LDY
|
|
NEXT JMP END-CODE RESTRICT
|
|
|
|
CODE (+LOOP
|
|
CLC SP X) LDA RP X) ADC RP X) STA
|
|
SP )Y LDA RP )Y ADC RP )Y STA
|
|
.A ROR SP )Y EOR
|
|
PHP SP 2INC PLP DOLOOP BPL
|
|
NEXT JMP END-CODE RESTRICT
|
|
\ LOOP INDICES 08APR85BP)
|
|
|
|
CODE I ( -- N) 0 # LDY
|
|
LABEL LOOPINDEX SP 2DEC CLC
|
|
RP )Y LDA INY INY
|
|
RP )Y ADC SP X) STA DEY
|
|
RP )Y LDA INY INY
|
|
RP )Y ADC 1 # LDY SP )Y STA
|
|
NEXT JMP END-CODE RESTRICT
|
|
|
|
CODE J ( -- N)
|
|
6 # LDY LOOPINDEX BNE
|
|
END-CODE RESTRICT
|
|
|
|
|
|
|
|
\ BRANCHING 24DEC83KS)
|
|
|
|
CODE BRANCH
|
|
CLC IP LDA IP X) ADC N STA
|
|
IP 1+ LDA IP )Y ADC IP 1+ STA N LDA IP STA
|
|
NEXT JMP END-CODE RESTRICT
|
|
|
|
CODE ?BRANCH
|
|
SP X) LDA SP )Y ORA PHP SP 2INC PLP
|
|
' BRANCH @ BEQ (BUMP JMP END-CODE RESTRICT
|
|
|
|
\\ : BRANCH R> DUP @ + >R ; RESTRICT
|
|
|
|
: ?BRANCH
|
|
0= R> OVER NOT OVER 2+ AND -ROT
|
|
DUP @ + AND OR >R ; RESTRICT
|
|
\ RESOLVE LOOPS AND BRANCHES 03FEB85BP)
|
|
|
|
: >MARK ( -- ADDR) HERE 0 , ;
|
|
|
|
: >RESOLVE ( ADDR --) HERE OVER - SWAP ! ;
|
|
|
|
: <MARK ( -- ADDR) HERE ;
|
|
|
|
: <RESOLVE ( ADDR --) HERE - , ;
|
|
|
|
: ?PAIRS ( N1 N2 -- ) - ABORT" UNSTRUCTURED" ;
|
|
|
|
|
|
|
|
|
|
|
|
\ CASE? 04MAY85BP)
|
|
|
|
LABEL PUSHA
|
|
0 # CMP 0< ?[ PHA 0FF # LDA ][
|
|
LABEL PUSH0A PHA 0 # LDA ]?
|
|
LABEL PUSH TAX SP 2DEC
|
|
TXA 1 # LDY SP )Y STA
|
|
PLA 0 # LDX PUTA JMP
|
|
|
|
CODE CASE?
|
|
( 16B1 16B2 -- 16B1 FALSE / TRUE )
|
|
1 # LDA SETUP JSR N LDA SP X) CMP
|
|
0= ?[ N 1+ LDA SP )Y CMP 0= ?[ PUTTRUE JMP ]? ]?
|
|
TXA PUSH0A JMP END-CODE
|
|
\\ : CASE?
|
|
( 16B1 16B2 -- 16B1 FALSE / TRUE ) OVER = DUP IF NIP THEN ;
|
|
\ BRANCHING 03FEB85BP)
|
|
|
|
: IF COMPILE ?BRANCH >MARK 1 ; IMMEDIATE RESTRICT
|
|
: THEN ABS 1 ?PAIRS >RESOLVE ; IMMEDIATE RESTRICT
|
|
: ELSE 1 ?PAIRS COMPILE BRANCH >MARK
|
|
SWAP >RESOLVE -1 ; IMMEDIATE RESTRICT
|
|
: BEGIN <MARK 2 ; IMMEDIATE RESTRICT
|
|
: WHILE 2 ?PAIRS 2 COMPILE ?BRANCH
|
|
>MARK -2 2SWAP ; IMMEDIATE RESTRICT
|
|
| : (REPTIL <RESOLVE BEGIN DUP -2
|
|
= WHILE DROP >RESOLVE REPEAT ;
|
|
|
|
: REPEAT 2 ?PAIRS COMPILE BRANCH (REPTIL ; IMMEDIATE RESTRICT
|
|
|
|
: UNTIL 2 ?PAIRS COMPILE ?BRANCH (REPTIL ; IMMEDIATE RESTRICT
|
|
|
|
\ LOOPS 29JAN85KS/BP)
|
|
|
|
: DO COMPILE (DO >MARK 3 ; IMMEDIATE RESTRICT
|
|
|
|
: ?DO COMPILE (?DO >MARK 3 ; IMMEDIATE RESTRICT
|
|
|
|
: LOOP 3 ?PAIRS COMPILE (LOOP
|
|
COMPILE ENDLOOP >RESOLVE ; IMMEDIATE RESTRICT
|
|
|
|
: +LOOP 3 ?PAIRS COMPILE (+LOOP
|
|
COMPILE ENDLOOP >RESOLVE ; IMMEDIATE RESTRICT
|
|
|
|
: LEAVE ENDLOOP R> 2- DUP @ + >R ; RESTRICT
|
|
|
|
\\ RETURNSTACK: CALLADR \ INDEX
|
|
LIMIT \ ADR OF DO
|
|
\ UM* BP/KS13.2.85)
|
|
CODE UM* ( U1 U2 -- UD)
|
|
SP )Y LDA N STA SP X) LDA N 1+ STA
|
|
INY N 2 + STX N 3 + STX 010 # LDX
|
|
[[ N 3 + ASL N 2+ ROL N 1+ ROL N ROL
|
|
CS ?[ CLC SP )Y LDA N 3 + ADC N 3 + STA
|
|
INY SP )Y LDA DEY N 2 + ADC N 2 + STA
|
|
CS ?[ N 1+ INC 0= ?[ N INC ]? ]? ]?
|
|
DEX 0= ?]
|
|
N 3 + LDA SP )Y STA INY N 2 + LDA SP )Y STA 1 # LDY
|
|
N LDA SP )Y STA N 1+ LDA SP X) STA
|
|
NEXT JMP END-CODE
|
|
|
|
\\ : UM* ( U1 U2 -- UD3) >R 0 0 0 R> 010 0
|
|
DO DUP 2/ >R 1 AND IF 2OVER D+ THEN
|
|
>R >R 2DUP D+ R> R> R> LOOP DROP 2SWAP 2DROP ;
|
|
\ M* 2* 04JUL84KS)
|
|
|
|
: M* ( N1 N2 -- D)
|
|
DUP 0< DUP >R IF NEGATE THEN
|
|
SWAP DUP 0< IF NEGATE R> NOT >R THEN
|
|
UM* R> IF DNEGATE THEN ;
|
|
|
|
: * ( N N -- PROD) UM* DROP ;
|
|
|
|
CODE 2* ( N1 -- N2)
|
|
SP X) LDA .A ASL SP X) STA
|
|
SP )Y LDA .A ROL SP )Y STA
|
|
NEXT JMP END-CODE
|
|
| : 2* DUP + ;
|
|
|
|
|
|
\ UM/MOD 04JUL84KS)
|
|
|
|
| : DIVOVL
|
|
TRUE ABORT" DIVISION OVERFLOW" ;
|
|
|
|
CODE UM/MOD ( UD U -- UREM UQUOT)
|
|
SP X) LDA N 5 + STA
|
|
SP )Y LDA N 4 + STA SP 2INC
|
|
SP X) LDA N 1+ STA
|
|
SP )Y LDA N STA INY
|
|
SP )Y LDA N 3 + STA INY
|
|
SP )Y LDA N 2+ STA 011 # LDX CLC
|
|
[[ N 6 + ROR SEC N 1+ LDA N 5 + SBC
|
|
TAY N LDA N 4 + SBC
|
|
CS NOT ?[ N 6 + ROL ]?
|
|
CS ?[ N STA N 1+ STY ]?
|
|
\
|
|
N 3 + ROL N 2+ ROL N 1+ ROL N ROL
|
|
DEX 0= ?]
|
|
1 # LDY N ROR N 1+ ROR
|
|
CS ?[ ;C: DIVOVL ; ASSEMBLER ]?
|
|
N 2+ LDA SP )Y STA INY
|
|
N 1+ LDA SP )Y STA INY
|
|
N LDA SP )Y STA 1 # LDY
|
|
N 3 + LDA
|
|
PUTA JMP END-CODE
|
|
|
|
|
|
|
|
|
|
|
|
|
|
\ 2/ M/MOD 24DEC83KS)
|
|
|
|
: M/MOD ( D N -- MOD QUOT)
|
|
DUP >R ABS OVER
|
|
0< IF UNDER + SWAP THEN
|
|
UM/MOD R@
|
|
0< IF NEGATE OVER IF SWAP R@ + SWAP 1-
|
|
THEN THEN RDROP ;
|
|
|
|
CODE 2/ ( N1 -- N2)
|
|
SP )Y LDA .A ASL
|
|
SP )Y LDA .A ROR SP )Y STA
|
|
SP X) LDA .A ROR
|
|
PUTA JMP END-CODE
|
|
|
|
|
|
\ /MOD / MOD */MOD */ U/MOD UD/MOD KS)
|
|
|
|
: /MOD ( N1 N2 -- REM QUOT) >R EXTEND R> M/MOD ;
|
|
|
|
: / ( N1 N2 -- QUOT) /MOD NIP ;
|
|
|
|
: MOD ( N1 N2 -- REM) /MOD DROP ;
|
|
|
|
: */MOD ( N1 N2 N3 -- REM QUOT) >R M* R> M/MOD ;
|
|
|
|
: */ ( N1 N2 N3 -- QUOT) */MOD NIP ;
|
|
|
|
: U/MOD ( U1 U2 -- UREM UQUOT) 0 SWAP UM/MOD ;
|
|
|
|
: UD/MOD ( UD1 U2 -- UREM UDQUOT)
|
|
>R 0 R@ UM/MOD R> SWAP >R UM/MOD R> ;
|
|
\ CMOVE CMOVE> (CMOVE> BP 08APR85)
|
|
|
|
CODE CMOVE ( FROM TO QUAN --)
|
|
3 # LDA SETUP JSR DEY
|
|
[[ [[ N CPY 0= ?[ N 1+ DEC 0< ?[
|
|
1 # LDY NEXT JMP ]? ]?
|
|
N 4 + )Y LDA N 2+ )Y STA INY 0= ?]
|
|
N 5 + INC N 3 + INC ]] END-CODE
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
\
|
|
CODE CMOVE> ( FROM TO QUAN --)
|
|
3 # LDA SETUP JSR
|
|
CLC N 1+ LDA N 3 + ADC N 3 + STA
|
|
CLC N 1+ LDA N 5 + ADC N 5 + STA
|
|
N 1+ INC N LDY CLC CS ?[
|
|
LABEL (CMOVE>
|
|
DEY N 4 + )Y LDA N 2+ )Y STA ]?
|
|
TYA (CMOVE> BNE
|
|
N 3 + DEC N 5 + DEC N 1+ DEC
|
|
(CMOVE> BNE 1 # LDY
|
|
NEXT JMP END-CODE
|
|
|
|
: MOVE ( FROM TO QUAN --) >R 2DUP U< IF R> CMOVE> EXIT THEN
|
|
R> CMOVE ;
|
|
|
|
\ PLACE COUNT ERASE 16FEB85BP/KS)
|
|
|
|
: PLACE ( ADDR LEN TO --) OVER >R ROT OVER 1+ R> MOVE C! ;
|
|
|
|
CODE COUNT ( ADDR -- ADDR+1 LEN)
|
|
SP X) LDA N STA CLC 1 # ADC SP X) STA
|
|
SP )Y LDA N 1+ STA 0 # ADC SP )Y STA
|
|
SP 2DEC (C@ JMP END-CODE
|
|
|
|
\ : COUNT ( ADR -- ADR+1 LEN ) DUP 1+ SWAP C@ ;
|
|
|
|
: ERASE ( ADDR QUAN --) 0 FILL ;
|
|
|
|
|
|
|
|
|
|
\ FILL 11JUN85BP)
|
|
|
|
CODE FILL ( ADDR QUAN 8B -- )
|
|
3 # LDA SETUP JSR DEY
|
|
N LDA N 3 + LDX
|
|
0<> ?[ [[ [[ N 4 + )Y STA INY 0= ?]
|
|
N 5 + INC DEX 0= ?]
|
|
]? N 2+ LDX
|
|
0<> ?[ [[ N 4 + )Y STA INY DEX 0= ?]
|
|
]? 1 # LDY
|
|
NEXT JMP END-CODE
|
|
|
|
\\ : FILL ( ADDR QUAN 8B --) SWAP ?DUP
|
|
IF >R OVER C! DUP 1+ R> 1- CMOVE EXIT THEN 2DROP ;
|
|
|
|
|
|
\ HERE PAD ALLOT , C, COMPILE 24DEC83KS)
|
|
|
|
: HERE ( -- ADDR) DP @ ;
|
|
|
|
: PAD ( -- ADDR) HERE 042 + ;
|
|
|
|
: ALLOT ( N --) DP +! ;
|
|
|
|
: , ( 16B --) HERE ! 2 ALLOT ;
|
|
|
|
: C, ( 8B --) HERE C! 1 ALLOT ;
|
|
|
|
: COMPILE R> DUP 2+ >R @ , ; RESTRICT
|
|
|
|
|
|
|
|
\ INPUT STRINGS 24DEC83KS)
|
|
|
|
VARIABLE #TIB 0 #TIB !
|
|
VARIABLE >TIB $100 >TIB ! \ 050 ALLOT
|
|
VARIABLE >IN 0 >IN !
|
|
VARIABLE BLK 0 BLK !
|
|
VARIABLE SPAN 0 SPAN !
|
|
|
|
: TIB ( -- ADDR ) >TIB @ ;
|
|
|
|
: QUERY TIB 050 EXPECT SPAN @ #TIB ! >IN OFF BLK OFF ;
|
|
|
|
|
|
|
|
|
|
|
|
\ SCAN SKIP /STRING 12OCT84BP)
|
|
|
|
: SCAN ( ADDR0 LEN0 CHAR -- ADDR1 LEN1) >R
|
|
BEGIN DUP WHILE OVER C@ R@ -
|
|
WHILE 1- SWAP 1+ SWAP REPEAT RDROP ;
|
|
|
|
: SKIP ( ADDR LEN DEL -- ADDR1 LEN1) >R
|
|
BEGIN DUP WHILE OVER C@ R@ =
|
|
WHILE 1- SWAP 1+ SWAP REPEAT RDROP ;
|
|
|
|
|
|
: /STRING ( ADDR0 LEN0 +N - ADDR1 LEN1)
|
|
OVER UMIN ROT OVER + -ROT - ;
|
|
|
|
|
|
|
|
\ CAPITAL 03APR85BP)
|
|
(C LABEL (CAPITAL \ FOR COMMODORE ONLY
|
|
PHA 0DF # AND \ 2ND UPPER TO LOWER
|
|
ASCII A # CMP
|
|
CS ?[ ASCII Z 1+ # CMP
|
|
CC ?[ PLA CLC ASCII A ASCII A - # ADC RTS
|
|
]? ]? PLA RTS END-CODE )
|
|
|
|
LABEL (CAPITAL \ FOR ASCII ONLY
|
|
ASCII a # CMP
|
|
CS ?[ ASCII z 1+ # CMP
|
|
CC ?[ SEC ASCII a ASCII A - # SBC
|
|
]? ]? RTS END-CODE
|
|
|
|
CODE CAPITAL ( CHAR -- CHAR' )
|
|
SP X) LDA (CAPITAL JSR SP X) STA NEXT JMP END-CODE
|
|
\ CAPITALIZE 03APR85BP)
|
|
|
|
CODE CAPITALIZE ( STRING -- STRING )
|
|
SP X) LDA N STA SP )Y LDA N 1+ STA
|
|
N X) LDA N 2+ STA DEY
|
|
[[ N 2+ CPY 0= ?[ 1 # LDY NEXT JMP ]?
|
|
INY N )Y LDA (CAPITAL JSR N )Y STA
|
|
]] END-CODE
|
|
|
|
\\ : CAPITALIZE ( STRING -- STRING )
|
|
DUP COUNT BOUNDS ?DO I C@ CAPITAL I C! THEN LOOP ;
|
|
|
|
\\ CAPITAL ( CHAR -- CHAR )
|
|
ASCII A ASCII Z 1+ UWITHIN
|
|
IF I C@ [ ASCII A ASCII A - ] LITERAL - ;
|
|
|
|
\ (WORD 08APR85BP)
|
|
|
|
| CODE (WORD ( CHAR ADR0 LEN0 -- ADR)
|
|
\ N : LENGTH OF SOURCE
|
|
\ N+2 : PTR IN SOURCE / NEXT CHAR
|
|
\ N+4 : STRING START ADRESS
|
|
\ N+6 : STRING LENGTH
|
|
N 6 + STX \ 0 =: STRING_LENGTH
|
|
3 # LDY [[ SP )Y LDA N ,Y STA DEY 0< ?]
|
|
1 # LDY CLC >IN LDA N 2+ ADC N 2+ STA
|
|
\ >IN+ADR0 =: N+2
|
|
>IN 1+ LDA N 3 + ADC N 3 + STA SEC N LDA >IN SBC N STA
|
|
\ LEN0->IN =: N
|
|
N 1+ LDA >IN 1+ SBC N 1+ STA
|
|
CC ?[ SP X) LDA >IN STA \ STREAM EXHAUSTED
|
|
SP )Y LDA >IN 1+ STA
|
|
\ (WORD 08APR85BP)
|
|
|
|
][ 4 # LDY [[ N LDA N 1+ ORA \ SKIP CHAR'S
|
|
0= NOT ?[[ N 2+ X) LDA SP )Y CMP \ WHILE COUNT <>0
|
|
0= ?[[ N 2+ WINC N WDEC ]]?
|
|
N 2+ LDA N 4 + STA \ SAVE STRING_START_ADRESS
|
|
N 3 + LDA N 5 + STA
|
|
[[ N 2+ X) LDA SP )Y CMP PHP \ SCAN FOR CHAR
|
|
N 2+ WINC N WDEC PLP
|
|
0= NOT ?[[ N 6 + INC \ COUNT STRING_LENGTH
|
|
N LDA N 1+ ORA
|
|
0= ?] ]? ]? \ FROM COUNT = 0 IN SKIP)
|
|
SEC 2 # LDY
|
|
\ ADR_AFTER_STRING - ADR0 =: >IN)
|
|
N 2+ LDA SP )Y SBC >IN STA INY
|
|
N 3 + LDA SP )Y SBC >IN 1+ STA
|
|
\ (WORD 08APR85BP)
|
|
|
|
]? \ FROM 1ST ][, STREAM WAS EXHAUSTED
|
|
\ WHEN WORD CALLED)
|
|
CLC 4 # LDA SP ADC SP STA
|
|
CS ?[ SP 1+ INC ]? \ 2DROP
|
|
USER' DP # LDY UP )Y LDA
|
|
SP X) STA N STA INY
|
|
UP )Y LDA 1 # LDY
|
|
SP )Y STA N 1+ STA \ DP @
|
|
DEY N 6 + LDA \ STORE COUNT BYTE FIRST
|
|
[[ N )Y STA N 4 + )Y LDA INY
|
|
N 6 + DEC 0< ?]
|
|
020 # LDA N )Y STA \ ADD A BLANK
|
|
1 # LDY NEXT JMP END-CODE
|
|
|
|
\ SOURCE WORD PARSE NAME 08APR85BP) cas21dec05
|
|
|
|
: SOURCE ( -- ADDR LEN)
|
|
TIB #TIB @ ;
|
|
|
|
: WORD ( CHAR -- ADDR) SOURCE (WORD ;
|
|
|
|
: PARSE ( CHAR -- ADDR LEN) >R SOURCE >IN @ /STRING OVER SWAP
|
|
R> SCAN >R OVER - DUP R> 0<> - >IN +! ;
|
|
|
|
: NAME ( -- ADDR) BL WORD CAPITALIZE EXIT ;
|
|
|
|
\\ : WORD ( CHAR -- ADDR) >R
|
|
SOURCE OVER SWAP >IN @ /STRING R@ SKIP OVER SWAP R>
|
|
SCAN >R ROT OVER SWAP - R> 0<> - >IN !
|
|
OVER - HERE PLACE BL HERE COUNT + C! HERE ;
|
|
\ STATE ASCII ," (" " 24DEC83KS)
|
|
|
|
VARIABLE STATE 0 STATE !
|
|
|
|
: ASCII BL WORD 1+ C@ STATE @
|
|
IF [COMPILE] LITERAL THEN ; IMMEDIATE
|
|
|
|
: ," ASCII " PARSE HERE OVER 1+ ALLOT PLACE ;
|
|
|
|
: "LIT R> R> UNDER COUNT + >R >R ; RESTRICT
|
|
|
|
: (" "LIT ; RESTRICT
|
|
|
|
: " COMPILE (" ," ; IMMEDIATE RESTRICT
|
|
|
|
|
|
\ ." ( .( \ \\ HEX DECIMAL 08SEP84KS)
|
|
: (." "LIT COUNT TYPE ; RESTRICT
|
|
|
|
: ." COMPILE (." ," ; IMMEDIATE RESTRICT
|
|
|
|
: ( ASCII ) PARSE 2DROP ; IMMEDIATE
|
|
|
|
: .( ASCII ) PARSE TYPE ; IMMEDIATE
|
|
|
|
: \ >IN @ C/L / 1+ C/L * >IN ! ; IMMEDIATE
|
|
|
|
: \\ B/BLK >IN ! ; IMMEDIATE
|
|
|
|
: \NEEDS NAME FIND NIP IF [COMPILE] \ THEN ;
|
|
|
|
: HEX 010 BASE ! ; : DECIMAL 0A BASE ! ;
|
|
\ NUMBER CONV.: DIGIT? ACCUMULATE KS)
|
|
: DIGIT? ( CHAR -- DIGIT TRUE/ FALSE )
|
|
ASCII 0 - DUP 9 U>
|
|
IF [ ASCII A ASCII 9 - 1- ] LITERAL - DUP 9 U>
|
|
IF [ 2SWAP ( UNSTRUKTURIERT) ] THEN
|
|
BASE @ OVER U> ?DUP ?EXIT THEN DROP FALSE ;
|
|
|
|
: ACCUMULATE ( +D0 ADR DIGIT - +D1 ADR)
|
|
SWAP >R SWAP BASE @ UM* DROP ROT BASE @ UM* D+ R> ;
|
|
|
|
: CONVERT ( +D1 ADDR0 -- +D2 ADDR2)
|
|
1+ BEGIN COUNT DIGIT? WHILE ACCUMULATE REPEAT 1- ;
|
|
|
|
| : END? ( -- FLAG ) PTR @ 0= ;
|
|
| : CHAR ( ADDR0 -- ADDR1 CHAR ) COUNT -1 PTR +! ;
|
|
| : PREVIOUS ( ADDR0 -- ADDR0 CHAR) 1- COUNT ;
|
|
\ ?NONUM ?NUM FIXBASE? 13FEB85KS)
|
|
|
|
VARIABLE DPL -1 DPL !
|
|
|
|
| : ?NONUM ( FLAG -- EXIT IF TRUE )
|
|
IF RDROP 2DROP DROP RDROP FALSE THEN ;
|
|
|
|
| : ?NUM ( FLAG -- EXIT IF TRUE )
|
|
IF RDROP DROP R> IF DNEGATE THEN
|
|
ROT DROP DPL @ 1+ ?DUP ?EXIT DROP TRUE THEN ;
|
|
| : FIXBASE? ( CHAR - CHAR FALSE / NEWBASE TRUE )
|
|
ASCII & CASE? IF 0A TRUE EXIT THEN
|
|
ASCII $ CASE? IF 10 TRUE EXIT THEN
|
|
ASCII H CASE? IF 10 TRUE EXIT THEN
|
|
ASCII % CASE? IF 2 TRUE EXIT THEN FALSE ;
|
|
|
|
\ 13FEB85KS)
|
|
|
|
| : PUNCTUATION? ( CHAR -- FLAG)
|
|
ASCII , OVER = SWAP ASCII . = OR ;
|
|
|
|
| : ?DPL DPL @ -1 = ?EXIT 1 DPL +! ;
|
|
|
|
| VARIABLE PTR \ POINTS INTO STRING
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
\ (NUMBER NUMBER 13FEB85KS)
|
|
: NUMBER? ( STRING - STRING FALSE / N 0< / D 0> )
|
|
BASE PUSH DUP COUNT PTR ! DPL ON
|
|
0 >R ( +SIGN)
|
|
0.0 ROT END? ?NONUM CHAR
|
|
ASCII - CASE?
|
|
IF RDROP TRUE >R END? ?NONUM CHAR THEN FIXBASE?
|
|
IF BASE ! END? ?NONUM CHAR THEN
|
|
BEGIN DIGIT? 0= ?NONUM
|
|
BEGIN ACCUMULATE ?DPL END? ?NUM
|
|
CHAR DIGIT? 0= UNTIL
|
|
PREVIOUS PUNCTUATION? 0= ?NONUM
|
|
DPL OFF END? ?NUM CHAR
|
|
REPEAT ;
|
|
: NUMBER ( STRING -- D )
|
|
NUMBER? ?DUP 0= ABORT" ?" 0< IF EXTEND THEN ;
|
|
\ HIDE REVEAL IMMEDIATE RESTRICT KS)
|
|
VARIABLE LAST 0 LAST !
|
|
|
|
| : LAST? ( -- FALSE / ACF TRUE) LAST @ ?DUP ;
|
|
|
|
: HIDE LAST? IF 2- @ CURRENT @ ! THEN ;
|
|
|
|
: REVEAL LAST? IF 2- CURRENT @ ! THEN ;
|
|
|
|
: RECURSIVE REVEAL ; IMMEDIATE RESTRICT
|
|
|
|
| : FLAG! ( 8B --) LAST? IF UNDER C@ OR OVER C! THEN DROP ;
|
|
|
|
: IMMEDIATE 040 FLAG! ;
|
|
|
|
: RESTRICT 080 FLAG! ;
|
|
\ CLEARSTACK HALLOT HEAP HEAP?11FEB85BP)
|
|
|
|
CODE CLEARSTACK USER' S0 # LDY
|
|
UP )Y LDA SP STA INY UP )Y LDA SP 1+ STA
|
|
1 # LDY NEXT JMP END-CODE
|
|
|
|
: HALLOT ( QUAN -- ) S0 @ OVER - SWAP
|
|
SP@ 2+ DUP ROT - DUP S0 !
|
|
2 PICK OVER - MOVE CLEARSTACK S0 ! ;
|
|
|
|
: HEAP ( -- ADDR) S0 @ 6+ ;
|
|
|
|
: HEAP? ( ADDR -- FLAG) HEAP UP@ UWITHIN ;
|
|
|
|
| : HEAPMOVE ( FROM -- FROM) DUP HERE OVER -
|
|
DUP HALLOT HEAP SWAP CMOVE HEAP OVER - LAST +! REVEAL ;
|
|
\ DOES> ; 30DEC84KS/BP)
|
|
|
|
LABEL (DODOES> RP 2DEC
|
|
IP 1+ LDA RP )Y STA IP LDA RP X) STA \ PUT IP ON RP
|
|
CLC W X) LDA 3 # ADC IP STA
|
|
TXA W )Y ADC IP 1+ STA \ W@ + 3 -> IP
|
|
LABEL DOCREATE
|
|
2 # LDA CLC W ADC PHA TXA W 1+ ADC PUSH JMP END-CODE
|
|
|
|
| : (;CODE R> LAST @ NAME> ! ;
|
|
|
|
: DOES> COMPILE (;CODE 04C C,
|
|
COMPILE (DODOES> ; IMMEDIATE RESTRICT
|
|
|
|
|
|
|
|
\ 6502-ALIGN ?HEAD \ 08SEP84BP)
|
|
|
|
| : 6502-ALIGN/1 ( ADR -- ADR' ) DUP 0FF AND 0FF = - ;
|
|
|
|
|
|
| : 6502-ALIGN/2 ( LFA -- LFA )
|
|
HERE 0FF AND 0FF =
|
|
IF DUP DUP 1+ HERE OVER - 1+ CMOVE> \ LFA NOW INVALID
|
|
1 LAST +! 1 ALLOT THEN ;
|
|
|
|
VARIABLE ?HEAD 0 ?HEAD !
|
|
|
|
: | ?HEAD @ ?EXIT -1 ?HEAD ! ;
|
|
|
|
|
|
|
|
\ WARNING CREATE 30DEC84BP)
|
|
|
|
VARIABLE WARNING 0 WARNING !
|
|
|
|
| : EXISTS?
|
|
WARNING @ ?EXIT
|
|
LAST @ CURRENT @ (FIND NIP
|
|
IF SPACE LAST @ .NAME ." EXISTS " ?CR THEN ;
|
|
|
|
: CREATE HERE BLK @ , CURRENT @ @ ,
|
|
NAME C@ DUP 1 020 UWITHIN NOT ABORT" INVALID NAME"
|
|
HERE LAST ! 1+ ALLOT EXISTS? ?HEAD @
|
|
IF 1 ?HEAD +! DUP 6502-ALIGN/1 , \ POINTER TO CODE
|
|
HEAPMOVE 020 FLAG! 6502-ALIGN/1 DP !
|
|
ELSE 6502-ALIGN/2 DROP THEN REVEAL 0 ,
|
|
;CODE DOCREATE JMP END-CODE
|
|
\ NFA? 30DEC84BP)
|
|
| CODE NFA? ( VOCABTHREAD CFA -- NFA / FALSE)
|
|
SP X) LDA N 4 + STA SP )Y LDA N 5 + STA SP 2INC
|
|
[[ [[ SP X) LDA N 2+ STA SP )Y LDA N 3 + STA
|
|
N 2+ ORA 0= ?[ PUTFALSE JMP ]?
|
|
N 2+ )Y LDA SP )Y STA N 1+ STA
|
|
N 2+ X) LDA SP X) STA N STA
|
|
N 1+ ORA 0= ?[ NEXT JMP ]? \ N=LINK
|
|
N 2INC N X) LDA PHA SEC 01F # AND
|
|
N ADC N STA CS ?[ N 1+ INC ]?
|
|
PLA 020 # AND 0= NOT
|
|
?[ N )Y LDA PHA
|
|
N X) LDA N STA PLA N 1+ STA ]?
|
|
N LDA N 4 + CMP 0= ?] \ VOCABTHREAD=0
|
|
N 1+ LDA N 5 + CMP 0= ?] \ D.H. LEERES VOCABULARY
|
|
' 2+ @ JMP END-CODE \ IN NFA? IST ERLAUBT
|
|
\ >NAME NAME> >BODY .NAME 03FEB85BP)
|
|
|
|
: >NAME ( CFA -- NFA / FALSE) VOC-LINK
|
|
BEGIN @ DUP WHILE 2DUP 4 - SWAP
|
|
NFA? ?DUP IF -ROT 2DROP EXIT THEN REPEAT NIP ;
|
|
|
|
| : (NAME> ( NFA -- CFA) COUNT 01F AND + ;
|
|
|
|
: NAME> ( NFA -- CFA) DUP (NAME> SWAP C@ 020 AND IF @ THEN ;
|
|
|
|
: >BODY ( CFA -- PFA) 2+ ;
|
|
|
|
: .NAME ( NFA --)
|
|
?DUP IF DUP HEAP? IF ." |" THEN COUNT 01F AND TYPE
|
|
ELSE ." ???" THEN SPACE ;
|
|
|
|
\ : ; CONSTANT VARIABLE 09JAN85KS/BP)
|
|
|
|
: : CREATE HIDE CURRENT @ CONTEXT ! ] 0
|
|
;CODE HERE >RECOVER ! \ RESOLVE FWD. REFERENCE
|
|
RP 2DEC IP LDA RP X) STA IP 1+ LDA RP )Y STA
|
|
W LDA CLC 2 # ADC IP STA TXA W 1+ ADC IP 1+ STA
|
|
NEXT JMP END-CODE
|
|
|
|
: ; 0 ?PAIRS COMPILE EXIT
|
|
[COMPILE] [ REVEAL ; IMMEDIATE RESTRICT
|
|
|
|
: CONSTANT ( 16B --) CREATE ,
|
|
;CODE SP 2DEC 2 # LDY W )Y LDA SP X) STA INY
|
|
W )Y LDA 1 # LDY SP )Y STA NEXT JMP END-CODE
|
|
|
|
: VARIABLE CREATE 2 ALLOT ;
|
|
\ UALLOT USER ALIAS 10JAN85KS/BP)
|
|
|
|
: UALLOT ( QUAN -- OFFSET)
|
|
DUP UDP @ + 0FF U> ABORT" USERAREA FULL"
|
|
UDP @ SWAP UDP +! ;
|
|
|
|
: USER CREATE 2 UALLOT C,
|
|
;CODE SP 2DEC 2 # LDY W )Y LDA CLC UP ADC SP X) STA
|
|
TXA INY UP 1+ ADC 1 # LDY SP )Y STA NEXT JMP END-CODE
|
|
|
|
: ALIAS ( CFA --)
|
|
CREATE LAST @ DUP C@ 020 AND
|
|
IF -2 ALLOT ELSE 020 FLAG! THEN (NAME> ! ;
|
|
|
|
|
|
|
|
\ VOC-LINK VP CURRENT CONTEXT ALSO BP)
|
|
CREATE VP 10 ALLOT
|
|
|
|
VARIABLE CURRENT
|
|
|
|
: CONTEXT ( -- ADR ) VP DUP @ + 2+ ;
|
|
|
|
| : THRU.VOCSTACK ( -- FROM TO ) VP 2+ CONTEXT ;
|
|
\ "ONLY FORTH ALSO ASSEMBLER" GIVES VP :
|
|
\ COUNTWORD = 6 \ONLY\FORTH\ASSEMBLER
|
|
|
|
: ALSO VP @
|
|
0A > ERROR" VOCABULARY STACK FULL"
|
|
CONTEXT @ 2 VP +! CONTEXT ! ;
|
|
|
|
: TOSS -2 VP +! ;
|
|
\ VOCABULARY FORTH ONLY FORTH-83 KS/BP)
|
|
|
|
: VOCABULARY CREATE 0 , 0 ,
|
|
HERE VOC-LINK @ , VOC-LINK ! DOES> CONTEXT ! ;
|
|
|
|
\ NAME \ CODE \ THREAD \ COLDTHREAD \ VOC-LINK
|
|
|
|
VOCABULARY FORTH
|
|
|
|
VOCABULARY ONLY
|
|
] DOES> [ ONLYPATCH ] 0 VP ! CONTEXT ! ALSO ; ' ONLY !
|
|
|
|
: ONLYFORTH ONLY FORTH ALSO DEFINITIONS ;
|
|
|
|
|
|
|
|
\ DEFINITIONS ORDER WORDS 13JAN84BP/KS)
|
|
|
|
: DEFINITIONS CONTEXT @ CURRENT ! ;
|
|
|
|
| : .VOC ( ADR -- ) @ 2- >NAME .NAME ;
|
|
|
|
: ORDER
|
|
THRU.VOCSTACK DO I .VOC -2 +LOOP 2 SPACES CURRENT .VOC ;
|
|
|
|
: WORDS CONTEXT @
|
|
BEGIN @ DUP STOP? 0= AND
|
|
WHILE ?CR DUP 2+ .NAME SPACE REPEAT DROP ;
|
|
|
|
|
|
|
|
|
|
\ (FIND 08APR85BP)
|
|
|
|
CODE (FIND ( STRING THREAD
|
|
-- STRING FALSE / NAMEFIELD TRUE)
|
|
3 # LDY [[ SP )Y LDA N ,Y STA DEY 0< ?]
|
|
N 2+ X) LDA 01F # AND N 4 + STA
|
|
LABEL FINDLOOP 0 # LDY
|
|
N )Y LDA TAX INY
|
|
N )Y LDA N 1+ STA N STX N ORA
|
|
0= ?[ 1 # LDY 0 # LDX PUTFALSE JMP ]?
|
|
INY N )Y LDA 01F # AND N 4 + CMP
|
|
FINDLOOP BNE \ COUNTBYTE MATCH
|
|
CLC 2 # LDA N ADC N 5 + STA
|
|
0 # LDA N 1+ ADC N 6 + STA
|
|
N 4 + LDY
|
|
[[ N 2+ )Y LDA N 5 + )Y CMP
|
|
\
|
|
FINDLOOP BNE DEY 0= ?]
|
|
3 # LDY N 6 + LDA SP )Y STA DEY
|
|
N 5 + LDA SP )Y STA
|
|
DEY 0 # LDX PUTTRUE JMP END-CODE
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
\ FOUND 29JAN85BP)
|
|
|
|
| CODE FOUND ( NFA -- CFA N )
|
|
SP X) LDA N STA SP )Y LDA N 1+ STA
|
|
N X) LDA N 2+ STA 01F # AND SEC N ADC N STA
|
|
CS ?[ N 1+ INC ]?
|
|
N 2+ LDA 020 # AND
|
|
0= ?[ N LDA SP X) STA N 1+ LDA
|
|
][ N X) LDA SP X) STA N )Y LDA ]? SP )Y STA
|
|
SP 2DEC N 2+ LDA 0< ?[ INY ]?
|
|
.A ASL
|
|
0< NOT ?[ TYA 0FF # EOR TAY INY ]?
|
|
TYA SP X) STA
|
|
0< ?[ 0FF # LDA 24 C, ]?
|
|
TXA 1 # LDY SP )Y STA
|
|
NEXT JMP END-CODE
|
|
\\
|
|
|
|
| : FOUND ( NFA -- CFA N )
|
|
DUP C@ >R (NAME>
|
|
R@ 020 AND IF @ THEN
|
|
-1 R@ 080 AND IF 1- THEN
|
|
R> 040 AND IF NEGATE THEN ;
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
\ FIND ' ['] 13JAN85BP) cas21dec05
|
|
|
|
: FIND ( STRING -- CFA N / STRING FALSE)
|
|
CONTEXT DUP @ OVER 2- @ = IF 2- THEN
|
|
BEGIN UNDER @ (FIND IF NIP FOUND EXIT THEN
|
|
OVER VP 2+ U>
|
|
WHILE SWAP 2- REPEAT NIP FALSE ;
|
|
|
|
: ' ( -- CFA ) NAME FIND 0= ABORT" WHAT?" ;
|
|
|
|
: [COMPILE] ' , ; IMMEDIATE RESTRICT
|
|
|
|
: ['] ' [COMPILE] LITERAL ; IMMEDIATE RESTRICT
|
|
|
|
: NULLSTRING? ( STRING -- STRING FALSE / TRUE)
|
|
DUP C@ 0= DUP IF NIP THEN ;
|
|
\ >INTERPRET 28FEB85BP)
|
|
|
|
LABEL JUMP
|
|
INY CLC W )Y LDA 2 # ADC IP STA
|
|
INY W )Y LDA 0 # ADC IP 1+ STA
|
|
1 # LDY NEXT JMP END-CODE
|
|
VARIABLE >INTERPRET
|
|
|
|
JUMP ' >INTERPRET !
|
|
|
|
\\ MAKE VARIABLE >INTERPRET TO SPECIAL
|
|
DEFER
|
|
|
|
|
|
|
|
|
|
\ INTERPRET INTERACTIVE 31DEC84KS/BP) cas21dec05
|
|
|
|
DEFER NOTFOUND
|
|
|
|
: NO.EXTENSIONS ( STRING -- ) ERROR" WHAT?" ; \ STRING NOT 0
|
|
|
|
' NO.EXTENSIONS IS NOTFOUND
|
|
|
|
: INTERPRET >INTERPRET ; -2 ALLOT
|
|
|
|
| : INTERACTIVE ?STACK NAME FIND ?DUP
|
|
IF 1 AND IF EXECUTE >INTERPRET THEN
|
|
ABORT" COMPILE ONLY" THEN NULLSTRING? ?EXIT NUMBER?
|
|
0= IF NOTFOUND THEN >INTERPRET ; -2 ALLOT
|
|
|
|
' INTERACTIVE >INTERPRET !
|
|
\ COMPILING [ ] 20DEC84BP)
|
|
|
|
| : COMPILING
|
|
?STACK NAME FIND ?DUP
|
|
IF 0> IF EXECUTE >INTERPRET THEN
|
|
, >INTERPRET THEN
|
|
NULLSTRING? ?EXIT NUMBER? ?DUP
|
|
IF 0> IF SWAP [COMPILE] LITERAL THEN
|
|
[COMPILE] LITERAL
|
|
ELSE NOTFOUND THEN >INTERPRET ; -2 ALLOT
|
|
|
|
: [ ['] INTERACTIVE IS >INTERPRET STATE OFF ; IMMEDIATE
|
|
|
|
: ] ['] COMPILING IS >INTERPRET STATE ON ;
|
|
|
|
|
|
\ PERFOM DEFER IS 03FEB85BP)
|
|
|
|
| : CRASH TRUE ABORT" CRASH" ;
|
|
|
|
: DEFER CREATE ['] CRASH ,
|
|
;CODE 2 # LDY W )Y LDA PHA INY W )Y LDA
|
|
W 1+ STA PLA W STA 1 # LDY W 1- JMP END-CODE
|
|
|
|
: (IS R> DUP 2+ >R @ ! ;
|
|
|
|
| : DEF? ( CFA -- ) @ ['] NOTFOUND @ OVER =
|
|
SWAP ['] >INTERPRET @ = OR NOT ABORT" NOT DEFERRED" ;
|
|
|
|
: IS ( ADR -- ) ' DUP DEF? >BODY
|
|
STATE @ IF COMPILE (IS , EXIT THEN ! ; IMMEDIATE
|
|
|
|
\ ?STACK 08SEP84KS)
|
|
|
|
| : STACKFULL ( -- )
|
|
DEPTH 20 > ABORT" TIGHT STACK"
|
|
REVEAL LAST? IF DUP HEAP? IF NAME> ELSE 4 - THEN
|
|
(FORGET THEN TRUE ABORT" DICTIONARY FULL" ;
|
|
|
|
CODE ?STACK USER' DP # LDY
|
|
SEC SP LDA UP )Y SBC N STA INY SP 1+ LDA UP )Y SBC
|
|
0= ?[ 1 # LDY ;C: STACKFULL ; ASSEMBLER ]?
|
|
USER' S0 # LDY UP )Y LDA SP CMP INY
|
|
UP )Y LDA SP 1+ SBC 1 # LDY CS ?[ NEXT JMP ]?
|
|
;C: TRUE ABORT" STACK EMPTY" ; -2 ALLOT
|
|
|
|
\\ : ?STACK SP@ HERE - 100 U< IF STACKFULL THEN
|
|
SP@ S0 @ U> ABORT" STACK EMPTY" ;
|
|
\ .STATUS PUSH LOAD 08SEP84KS) cas21dec05
|
|
|
|
DEFER .STATUS ' NOOP IS .STATUS
|
|
|
|
| CREATE PULL 0 ] R> R> ! ;
|
|
|
|
: PUSH ( ADDR -- )
|
|
R> SWAP DUP >R @ >R PULL >R >R ; RESTRICT
|
|
|
|
\\
|
|
: LOAD ( BLK --)
|
|
?DUP 0= ?EXIT BLK PUSH BLK !
|
|
>IN PUSH >IN OFF .STATUS INTERPRET ;
|
|
|
|
|
|
|
|
\ +LOAD THRU +THRU --> RDEPTH DEPTH KS) cas21dec05
|
|
|
|
\ : +LOAD ( OFFSET --) BLK @ + LOAD ;
|
|
|
|
\ : THRU ( FROM TO --) 1+ SWAP DO I LOAD LOOP ;
|
|
|
|
\ : +THRU ( OFF0 OFF1 --) 1+ SWAP DO I +LOAD LOOP ;
|
|
|
|
\ : --> 1 BLK +! >IN OFF .STATUS ; IMMEDIATE
|
|
|
|
: RDEPTH ( -- +N) R0 @ RP@ 2+ - 2/ ;
|
|
|
|
: DEPTH ( -- +N) SP@ S0 @ SWAP - 2/ ;
|
|
|
|
|
|
|
|
\ QUIT (QUIT ABORT 07JUN85BP)
|
|
|
|
| : PROMPT STATE @ IF ." COMPILING" EXIT THEN ." OK" ;
|
|
|
|
: (QUIT
|
|
BEGIN .STATUS CR QUERY INTERPRET PROMPT REPEAT ; -2 ALLOT
|
|
|
|
DEFER 'QUIT ' (QUIT IS 'QUIT
|
|
|
|
: QUIT R0 @ RP! [COMPILE] [ 'QUIT ; -2 ALLOT
|
|
|
|
: STANDARDI/O [ OUTPUT ] LITERAL OUTPUT 4 CMOVE ;
|
|
|
|
DEFER 'ABORT ' NOOP IS 'ABORT
|
|
|
|
: ABORT CLEARSTACK END-TRACE 'ABORT STANDARDI/O QUIT ; -2 ALLOT
|
|
\ (ERROR ABORT" ERROR" 20MAR85BP)
|
|
|
|
VARIABLE SCR 1 SCR !
|
|
|
|
VARIABLE R# 0 R# !
|
|
|
|
: (ERROR ( STRING -- )
|
|
STANDARDI/O SPACE HERE .NAME COUNT TYPE SPACE ?CR
|
|
BLK @ ?DUP IF SCR ! >IN @ R# ! THEN QUIT ; -2 ALLOT
|
|
|
|
' (ERROR ERRORHANDLER !
|
|
|
|
: (ABORT" "LIT SWAP IF
|
|
>R CLEARSTACK R> ERRORHANDLER PERFORM
|
|
EXIT THEN DROP ; RESTRICT
|
|
|
|
\
|
|
|
|
| : (ERR" "LIT SWAP
|
|
IF ERRORHANDLER PERFORM EXIT THEN DROP ; RESTRICT
|
|
|
|
: ABORT" COMPILE (ABORT" ," ; IMMEDIATE RESTRICT
|
|
|
|
: ERROR" COMPILE (ERR" ," ; IMMEDIATE RESTRICT
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
\ -TRAILING 08APR85BP)
|
|
|
|
020 CONSTANT BL
|
|
|
|
CODE -TRAILING ( ADDR N1 -- ADR N2 )
|
|
TYA SETUP JSR
|
|
SP X) LDA N 2+ STA CLC
|
|
SP )Y LDA N 1+ ADC N 3 + STA
|
|
N LDY CLC CS ?[
|
|
LABEL (-TRAIL
|
|
DEY N 2+ )Y LDA BL # CMP
|
|
0<> ?[ INY 0= ?[ N 1+ INC ]?
|
|
TYA PHA N 1+ LDA PUSH JMP ]?
|
|
]? TYA (-TRAIL BNE
|
|
N 3 + DEC N 1 + DEC (-TRAIL BPL
|
|
TYA PUSH0A JMP END-CODE
|
|
\ SPACE SPACES 29JAN85KS/BP)
|
|
|
|
: SPACE BL EMIT ;
|
|
|
|
: SPACES ( U --) 0 ?DO SPACE LOOP ;
|
|
|
|
\\
|
|
: -TRAILING ( ADDR N1 -- ADDR N2)
|
|
2DUP BOUNDS
|
|
?DO 2DUP + 1- C@ BL -
|
|
IF LEAVE THEN 1- LOOP ;
|
|
|
|
|
|
|
|
|
|
|
|
\ HOLD <# #> SIGN # #S 24DEC83KS)
|
|
| : HLD ( -- ADDR) PAD 2- ;
|
|
|
|
: HOLD ( CHAR -- ) -1 HLD +! HLD @ C! ;
|
|
|
|
: <# HLD HLD ! ;
|
|
|
|
: #> ( 32B -- ADDR +N ) 2DROP HLD @ HLD OVER - ;
|
|
|
|
: SIGN ( N -- ) 0< IF ASCII - HOLD THEN ;
|
|
|
|
: # ( +D1 -- +D2) BASE @ UD/MOD ROT 09 OVER <
|
|
IF [ ASCII A ASCII 9 - 1- ] LITERAL +
|
|
THEN ASCII 0 + HOLD ;
|
|
|
|
: #S ( +D -- 0 0 ) BEGIN # 2DUP D0= UNTIL ;
|
|
\ PRINT NUMBERS 24DEC83KS)
|
|
|
|
: D.R -ROT UNDER DABS <# #S ROT SIGN #>
|
|
ROT OVER MAX OVER - SPACES TYPE ;
|
|
|
|
: .R SWAP EXTEND ROT D.R ;
|
|
|
|
: U.R 0 SWAP D.R ;
|
|
|
|
: D. 0 D.R SPACE ;
|
|
|
|
: . EXTEND D. ;
|
|
|
|
: U. 0 D. ;
|
|
|
|
|
|
\ .S LIST C/L L/S 24DEC83KS) cas21dec05
|
|
|
|
: .S SP@ S0 @ OVER - 020 UMIN BOUNDS ?DO I @ U. 2 +LOOP ;
|
|
|
|
&40 CONSTANT C/L \ SCREEN LINE LENGTH
|
|
&24 CONSTANT L/S \ LINES PER SCREEN
|
|
|
|
\\
|
|
: LIST ( BLK --)
|
|
SCR ! ." SCR " SCR @ DUP U.
|
|
." DR " DRV? .
|
|
L/S 0 DO CR I 2 .R SPACE SCR @ BLOCK
|
|
I C/L * + C/L -TRAILING TYPE LOOP CR ;
|
|
|
|
|
|
|
|
\ MULTITASKER PRIMITIVES BP03NOV85)
|
|
CODE PAUSE NEXT HERE 2- ! END-CODE
|
|
|
|
: LOCK ( ADDR --)
|
|
DUP @ UP@ = IF DROP EXIT THEN
|
|
BEGIN DUP @ WHILE PAUSE REPEAT UP@ SWAP ! ;
|
|
|
|
: UNLOCK ( ADDR --) DUP LOCK OFF ;
|
|
|
|
LABEL WAKE WAKE >WAKE !
|
|
PLA SEC 5 # SBC UP STA PLA 0 # SBC UP 1+ STA
|
|
04C # LDA UP X) STA 6 # LDY UP )Y LDA SP STA
|
|
INY UP )Y LDA SP 1+ STA 1 # LDY
|
|
SP X) LDA RP STA SP )Y LDA RP 1+ STA SP 2INC
|
|
IP # LDX XPULL JMP END-CODE
|
|
|
|
\ BUFFER MECHANISM 15DEC83KS)
|
|
|
|
USER FILE 0 FILE ! \ ADR OF FILE CONTROL BLOCK
|
|
|
|
VARIABLE PREV 0 PREV ! \ LISTHEAD
|
|
|
|
| VARIABLE BUFFERS 0 BUFFERS ! \ SEMAPHOR
|
|
|
|
0408 CONSTANT B/BUF \ PHYSIKALISCHE GROESSE
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
\\ STRUCTUR EINES BUFFERS:
|
|
0 : LINK
|
|
2 : FILE
|
|
6 : BLOCKNR
|
|
8 : STATUSFLAGS
|
|
0A : DATA .. 1 KB ..
|
|
|
|
STATUSFLAG BITS: 15 1 -> UPDATED
|
|
|
|
FILE = -1 EMPTY BUFFER
|
|
= 0 NO FCB , DIRECT ACCESS
|
|
= ELSE ADR OF FCB
|
|
( SYSTEM DEPENDENT )
|
|
|
|
|
|
|
|
\ SEARCH FOR BLOCKS IN MEMORY 11JUN85BP) cas21dec05
|
|
\\
|
|
LABEL THISBUFFER? 2 # LDY
|
|
[[ N 4 + )Y LDA N 2- ,Y CMP
|
|
0= ?[[ INY 6 # CPY 0= ?] ]? RTS \ ZERO IF THIS BUFFER )
|
|
|
|
| CODE (CORE? ( BLK FILE -- ADDR / BLK FILE )
|
|
\ N-AREA : 0 BLK 2 FILE 4 BUFFER
|
|
\ 6 PREDECESSOR
|
|
3 # LDY
|
|
[[ SP )Y LDA N ,Y STA DEY 0< ?]
|
|
USER' OFFSET # LDY CLC UP )Y LDA N 2+ ADC N 2+ STA
|
|
INY UP )Y LDA N 3 + ADC N 3 + STA PREV LDA N 4 + STA
|
|
PREV 1+ LDA N 5 + STA THISBUFFER? JSR 0= ?[
|
|
|
|
|
|
\ " 11JUN85BP) cas21dec05
|
|
\\
|
|
LABEL BLOCKFOUND SP 2INC 1 # LDY
|
|
8 # LDA CLC N 4 + ADC SP X) STA
|
|
N 5 + LDA 0 # ADC SP )Y STA
|
|
' EXIT @ JMP ]?
|
|
[[ N 4 + LDA N 6 + STA N 5 + LDA N 7 + STA
|
|
N 6 + X) LDA N 4 + STA 1 # LDY
|
|
N 6 + )Y LDA N 5 + STA N 4 + ORA
|
|
0= ?[ ( LIST EMPTY ) NEXT JMP ]?
|
|
THISBUFFER? JSR 0= ?] \ FOUND, RELINK
|
|
N 4 + X) LDA N 6 + X) STA 1 # LDY N 4 + )Y LDA N 6 + )Y STA
|
|
PREV LDA N 4 + X) STA PREV 1+ LDA N 4 + )Y STA
|
|
N 4 + LDA PREV STA N 5 + LDA PREV 1+ STA
|
|
BLOCKFOUND JMP END-CODE
|
|
|
|
\\ (CORE? 23SEP85BP
|
|
| : this? ( blk file bufadr -- flag )
|
|
DUP 4+ @ SWAP 2+ @ D= ;
|
|
|
|
| : (CORE? ( BLK FILE -- DATAADDR / BLK FILE )
|
|
BEGIN OVER OFFSET @ + OVER PREV @
|
|
THIS? IF RDROP 2DROP PREV @ 8 + EXIT THEN
|
|
2DUP >R OFFSET @ + >R PREV @
|
|
BEGIN DUP @ ?DUP
|
|
0= IF RDROP RDROP DROP EXIT THEN
|
|
DUP R> R> 2DUP >R >R ROT THIS? 0=
|
|
WHILE NIP REPEAT DUP @ ROT ! PREV @ OVER ! PREV !
|
|
RDROP RDROP REPEAT ; -2 ALLOT
|
|
|
|
|
|
|
|
\ (DISKERR 11JUN85BP) cas21dec05
|
|
\\
|
|
: (DISKERR ." ERROR ! R TO RETRY "
|
|
KEY DUP ASCII R = SWAP ASCII R =
|
|
OR NOT ABORT" ABORTED" ;
|
|
|
|
|
|
DEFER DISKERR ' (DISKERR IS DISKERR
|
|
|
|
DEFER R/W
|
|
|
|
|
|
|
|
|
|
|
|
|
|
\\ BACKUP EMPTYBUF READBLK 11JUN85BP) cas21dec05
|
|
| : BACKUP ( BUFADDR --)
|
|
DUP 6+ @ 0<
|
|
IF 2+ DUP @ 1+ \ BUFFER EMPTY IF FILE = -1
|
|
IF INPUT PUSH OUTPUT PUSH STANDARDI/O
|
|
BEGIN DUP 6+ OVER 2+ @ 2 PICK @ 0 R/W
|
|
WHILE ." WRITE " DISKERR
|
|
REPEAT THEN
|
|
080 OVER 4+ 1+ CTOGGLE THEN DROP ;
|
|
|
|
| : EMPTYBUF ( BUFADDR --) 2+ DUP ON 4+ OFF ;
|
|
|
|
| : READBLK ( BLK FILE ADDR -- BLK FILE ADDR)
|
|
DUP EMPTYBUF INPUT PUSH OUTPUT PUSH STANDARDI/O >R
|
|
BEGIN OVER OFFSET @ + OVER R@ 8 + -ROT 1 R/W
|
|
WHILE ." READ " DISKERR REPEAT R> ;
|
|
\\ TAKE MARK UPDATES? FULL? CORE? BP) cas21dec05
|
|
|
|
| : TAKE ( -- BUFADDR) PREV
|
|
BEGIN DUP @ WHILE @ DUP 2+ @ -1 = UNTIL
|
|
BUFFERS LOCK DUP BACKUP ;
|
|
|
|
| : MARK ( BLK FILE BUFADDR -- BLK FILE )
|
|
2+ >R 2DUP R@ ! OFFSET @ + R@ 2+ !
|
|
R> 4+ OFF BUFFERS UNLOCK ;
|
|
|
|
| : UPDATES? ( -- BUFADDR / FLAG)
|
|
PREV BEGIN @ DUP WHILE DUP 6+ @ 0< UNTIL ;
|
|
|
|
| : FULL? ( -- FLAG) PREV BEGIN @ DUP @ 0= UNTIL 6+ @ 0< ;
|
|
|
|
: CORE? ( BLK FILE -- ADDR /FALSE) (CORE? 2DROP FALSE ;
|
|
\\ BLOCK & BUFFER MANIPULATION 11JUN85BP) cas21dec05
|
|
|
|
: (BUFFER ( BLK FILE -- ADDR)
|
|
BEGIN (CORE? TAKE MARK REPEAT ; -2 ALLOT
|
|
|
|
: (BLOCK ( BLK FILE -- ADDR)
|
|
BEGIN (CORE? TAKE READBLK MARK REPEAT ; -2 ALLOT
|
|
|
|
| CODE FILE@ ( -- N ) USER' FILE # LDY
|
|
UP )Y LDA PHA INY UP )Y LDA PUSH JMP END-CODE
|
|
|
|
: BUFFER ( BLK -- ADDR ) FILE@ (BUFFER ;
|
|
|
|
: BLOCK ( BLK -- ADDR ) FILE@ (BLOCK ;
|
|
|
|
|
|
\\ BLOCK & BUFFER MANIPULATION 09SEP84KS) cas21dec05
|
|
|
|
: UPDATE 080 PREV @ 6+ 1+ C! ;
|
|
|
|
: SAVE-BUFFERS
|
|
BUFFERS LOCK BEGIN UPDATES? ?DUP WHILE BACKUP REPEAT
|
|
BUFFERS UNLOCK ;
|
|
|
|
: EMPTY-BUFFERS
|
|
BUFFERS LOCK PREV
|
|
BEGIN @ ?DUP
|
|
WHILE DUP EMPTYBUF
|
|
REPEAT BUFFERS UNLOCK ;
|
|
|
|
: FLUSH SAVE-BUFFERS EMPTY-BUFFERS ;
|
|
|
|
\\ MOVING BLOCKS 15DEC83KS) cas21dec05
|
|
| : (COPY ( FROM TO --) DUP FILE@
|
|
CORE? IF PREV @ EMPTYBUF THEN
|
|
FULL? IF SAVE-BUFFERS THEN
|
|
OFFSET @ + SWAP BLOCK 2- 2- ! UPDATE ;
|
|
|
|
| : BLKMOVE ( FROM TO QUAN --) SAVE-BUFFERS >R
|
|
OVER R@ + OVER U> >R 2DUP U< R> AND
|
|
IF R@ R@ D+ R> 0 ?DO -1 -2 D+ 2DUP (COPY LOOP
|
|
ELSE R> 0 ?DO 2DUP (COPY 1 1 D+ LOOP
|
|
THEN SAVE-BUFFERS 2DROP ;
|
|
|
|
: COPY ( FROM TO --) 1 BLKMOVE ;
|
|
|
|
: CONVEY ( [BLK1 BLK2] [TO.BLK --)
|
|
SWAP 1+ 2 PICK - DUP 0> NOT ABORT" NEIN" BLKMOVE ;
|
|
\ ALLOCATING BUFFERS 23SEP83KS) cas21dec05
|
|
|
|
F000 CONSTANT LIMIT VARIABLE FIRST
|
|
\\
|
|
: ALLOTBUFFER ( -- )
|
|
FIRST @ R0 @ - B/BUF 2+ U< ?EXIT
|
|
B/BUF NEGATE FIRST +! FIRST @ DUP EMPTYBUF
|
|
PREV @ OVER ! PREV ! ;
|
|
|
|
: FREEBUFFER ( -- )
|
|
FIRST @ LIMIT B/BUF - U<
|
|
IF SAVE-BUFFERS BEGIN DUP @ FIRST @ - WHILE @ REPEAT
|
|
FIRST @ @ SWAP ! B/BUF FIRST +! THEN ;
|
|
|
|
: ALL-BUFFERS BEGIN FIRST @ ALLOTBUFFER FIRST @ = UNTIL ;
|
|
|
|
\ ENDPOINTS OF FORGET 04JAN85BP/KS)
|
|
| : \? ( NFA -- FLAG ) C@ 020 AND ;
|
|
|
|
| : FORGET? ( ADR NFA -- FLAG ) \ CODE IN HEAP OR ABOVE ADR ?
|
|
NAME> UNDER 1+ U< SWAP HEAP? OR ;
|
|
|
|
| : ENDPOINTS ( ADDR -- ADDR SYMB)
|
|
HEAP VOC-LINK @ >R
|
|
BEGIN R> @ ?DUP \ THROUGH ALL VOCABS
|
|
WHILE DUP >R 4 - >R \ LINK ON RETURNST.
|
|
BEGIN R> @ >R OVER 1- DUP R@ U< \ UNTIL LINK OR
|
|
SWAP R@ 2+ NAME> U< AND \ CODE UNDER ADR
|
|
WHILE R@ HEAP? [ 2DUP ] UNTIL \ SEARCH FOR A NAME IN HEAP
|
|
R@ 2+ \? IF OVER R@ 2+ FORGET?
|
|
IF R@ 2+ (NAME> 2+ UMAX THEN \ THEN UPDATE SYMB
|
|
THEN REPEAT RDROP REPEAT ;
|
|
\ REMOVE 23JUL85WE
|
|
|
|
| CODE REMOVE ( DIC SYMB THR - DIC SYMB)
|
|
5 # LDY [[ SP )Y LDA N ,Y STA DEY 0< ?] USER' S0 # LDY
|
|
CLC UP )Y LDA 6 # ADC N 6 + STA
|
|
INY UP )Y LDA 0 # ADC N 7 + STA 1 # LDY
|
|
[[ N X) LDA N 8 + STA N )Y LDA N 9 + STA N 8 + ORA 0<>
|
|
?[[ N 8 + LDA N 6 + CMP N 9 + LDA N 7 + SBC CS
|
|
?[ N 8 + LDA N 2 + CMP N 9 + LDA N 3 + SBC
|
|
][ N 4 + LDA N 8 + CMP N 5 + LDA N 9 + SBC
|
|
]? CC
|
|
?[ N 8 + X) LDA N X) STA N 8 + )Y LDA N )Y STA
|
|
][ N 8 + LDA N STA N 9 + LDA N 1+ STA ]?
|
|
]]? (DROP JMP END-CODE
|
|
|
|
|
|
\ REMOVE- FORGET-WORDS 29APR85BP)
|
|
|
|
| : REMOVE-WORDS ( DIC SYMB -- DIC SYMB)
|
|
VOC-LINK BEGIN @ ?DUP WHILE DUP >R 4 - REMOVE R> REPEAT ;
|
|
|
|
| : REMOVE-TASKS ( DIC --)
|
|
UP@ BEGIN 1+ DUP @ UP@ - WHILE 2DUP @ SWAP HERE UWITHIN
|
|
IF DUP @ 1+ @ OVER ! 1- ELSE @ THEN REPEAT 2DROP ;
|
|
|
|
| : REMOVE-VOCS ( DIC SYMB -- DIC SYMB)
|
|
VOC-LINK REMOVE THRU.VOCSTACK
|
|
DO 2DUP I @ -ROT UWITHIN
|
|
IF [ ' FORTH 2+ ] LITERAL I ! THEN -2 +LOOP
|
|
2DUP CURRENT @ -ROT UWITHIN
|
|
IF [ ' FORTH 2+ ] LITERAL CURRENT ! THEN ;
|
|
|
|
\
|
|
|
|
| : FORGET-WORDS ( DIC SYMB --)
|
|
OVER REMOVE-TASKS REMOVE-VOCS
|
|
REMOVE-WORDS
|
|
HEAP SWAP - HALLOT DP ! 0 LAST ! ;
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
\ DELETING WORDS FROM DICT. 13JAN83KS)
|
|
|
|
: CLEAR HERE DUP UP@ FORGET-WORDS DP ! ;
|
|
|
|
: (FORGET ( ADR --) DUP HEAP? ABORT" IS SYMBOL"
|
|
ENDPOINTS FORGET-WORDS ;
|
|
|
|
: FORGET ' DUP [ DP ] LITERAL @ U< ABORT" PROTECTED"
|
|
>NAME DUP HEAP? IF NAME> ELSE 2- 2- THEN (FORGET ;
|
|
|
|
: EMPTY [ DP ] LITERAL @
|
|
UP@ FORGET-WORDS [ UDP ] LITERAL @ UDP ! ;
|
|
|
|
|
|
|
|
|
|
\ SAVE BYE STOP? ?CR 20OCT84KS/BP) cas21dec05
|
|
|
|
: SAVE
|
|
HERE UP@ FORGET-WORDS VOC-LINK @
|
|
BEGIN DUP 2- 2- @ OVER 2- ! @ ?DUP 0= UNTIL
|
|
UP@ ORIGIN 0100 CMOVE ;
|
|
|
|
: BYE NOOP (BYE ;
|
|
|
|
| : END? KEY #CR (C 3 ) = IF TRUE RDROP THEN ;
|
|
|
|
: STOP? ( -- FLAG) KEY? IF END? END? THEN FALSE ;
|
|
|
|
: ?CR COL C/L 0A - U> IF CR THEN ;
|
|
|
|
|
|
\ IN/OUTPUT STRUCTURE 02MAR85BP)
|
|
| : OUT: CREATE DUP C, 2+ DOES> C@ OUTPUT @ + PERFORM ;
|
|
|
|
: OUTPUT: CREATE ] DOES> OUTPUT ! ;
|
|
0 OUT: EMIT OUT: CR OUT: TYPE
|
|
OUT: DEL OUT: PAGE OUT: AT OUT: AT? DROP
|
|
|
|
: ROW ( -- ROW) AT? DROP ;
|
|
: COL ( -- COL) AT? NIP ;
|
|
|
|
| : IN: CREATE DUP C, 2+ DOES> C@ INPUT @ + PERFORM ;
|
|
|
|
: INPUT: CREATE ] DOES> INPUT ! ;
|
|
|
|
0 IN: KEY IN: KEY? IN: DECODE IN: EXPECT DROP
|
|
|
|
\ ALIAS ONLY DEFINITIONEN 29JAN85BP)
|
|
|
|
ONLY DEFINITIONS FORTH
|
|
|
|
: SEAL 0 ['] ONLY >BODY ! ; \ KILL ALL WORDS IN ONLY)
|
|
|
|
' ONLY ALIAS ONLY
|
|
' FORTH ALIAS FORTH
|
|
' WORDS ALIAS WORDS
|
|
' ALSO ALIAS ALSO
|
|
' DEFINITIONS ALIAS DEFINITIONS
|
|
HOST TARGET
|
|
|
|
|
|
|
|
|
|
\ 'COLD 07JUN85BP) cas21dec05
|
|
| : INIT-VOCABULARYS VOC-LINK @
|
|
BEGIN DUP 2- @ OVER 4 - ! @ ?DUP 0= UNTIL ;
|
|
|
|
| : INIT-BUFFERS 0 PREV ! LIMIT FIRST ! ;
|
|
DEFER 'COLD ' NOOP IS 'COLD
|
|
|
|
| : (COLD INIT-VOCABULARYS INIT-BUFFERS PAGE 'COLD ONLYFORTH
|
|
." volksFORTH-83 REV 3.81.02" CR RESTART ; -2 ALLOT
|
|
|
|
DEFER 'RESTART ' NOOP IS 'RESTART
|
|
|
|
| : (RESTART ['] (QUIT IS 'QUIT
|
|
'RESTART [ ERRORHANDLER ] LITERAL @ ERRORHANDLER !
|
|
['] NOOP IS 'ABORT ABORT ; -2 ALLOT
|
|
|
|
\ COLD BOOTSYSTEM RESTART 09JUL85WE) cas21dec05
|
|
CODE COLD HERE >COLD !
|
|
' (COLD >BODY 100 U/MOD # LDA PHA # LDA PHA
|
|
LABEL BOOTSYSTEM CLI 0 # LDY
|
|
CLC S0 LDA 6 # ADC N STA S0 1+ LDA 0 # ADC N 1+ STA
|
|
[[ ORIGIN ,Y LDA N )Y STA INY 0= ?]
|
|
$C lda HERE 9 + sta $D lda HERE 5 + sta
|
|
LABEL WARMBOOT $e474 jsr BOOTNEXTLEN 1- # LDY
|
|
[[ BOOTNEXT ,Y LDA PUTA ,Y STA DEY 0< ?]
|
|
CLC S0 LDA 6 # ADC UP STA S0 1+ LDA 0 # ADC UP 1+ STA
|
|
USER' S0 # LDY UP )Y LDA SP STA INY UP )Y LDA SP 1+ STA
|
|
USER' R0 # LDY UP )Y LDA RP STA INY UP )Y LDA RP 1+ STA
|
|
0 # LDX 1 # LDY TXA RP X) STA RP )Y STA
|
|
PLA IP STA PLA IP 1+ STA
|
|
LABEL DOSINI 0 # lda $D sta 0 # lda $C sta
|
|
LABEL XYNEXT 0 # LDX 1 # LDY NEXT JMP END-CODE
|
|
\ ( RESTART PARAM.-PASSING TO FORTH BP) cas21dec05
|
|
|
|
CODE RESTART HERE >RESTART !
|
|
' (RESTART >BODY 100 U/MOD
|
|
# LDA PHA # LDA PHA WARMBOOT JMP END-CODE
|
|
|
|
>RESTART @ 100 U/MOD DOSINI 1+ C! DOSINI 5 + C!
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
\ CODE FOR PARAMETER-PASSING TO FORTH er14dez88
|
|
|
|
|
|
include serial.scr
|
|
|
|
|
|
HOST ' TRANSIENT 8 + @
|
|
TRANSIENT FORTH CONTEXT @ 6 + !
|
|
TARGET \ KOTZ WUERG !
|
|
|
|
FORTH ALSO DEFINITIONS
|
|
|
|
: FORTH-83 ; \ LAST WORD IN DICTIONARY
|
|
|
|
|
|
|
|
\ SYSTEM DEPENDENT CONSTANTS BP/KS)
|
|
|
|
VOCABULARY ASSEMBLER
|
|
ASSEMBLER DEFINITIONS
|
|
TRANSIENT ASSEMBLER
|
|
PUSHA CONSTANT PUSHA \ PUT A SIGN-EXTENDED ON STACK
|
|
PUSH0A CONSTANT PUSH0A \ PUT A ON STACK
|
|
PUSH CONSTANT PUSH \ MSB IN A AND LSB ON JSR-STACK
|
|
RP CONSTANT RP
|
|
UP CONSTANT UP
|
|
SP CONSTANT SP
|
|
IP CONSTANT IP
|
|
N CONSTANT N
|
|
PUTA CONSTANT PUTA
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W CONSTANT W
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SETUP CONSTANT SETUP
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\
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NEXT CONSTANT NEXT
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XYNEXT CONSTANT XYNEXT
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(2DROP CONSTANT POPTWO
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(DROP CONSTANT POP
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\ SYSTEM PATCHUP 05JAN85BP) cas09dec05
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FORTH DEFINITIONS
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A000 ' LIMIT >BODY !
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$9800 S0 ! $9B00 R0 !
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S0 @ DUP S0 2- ! 6 + S0 7 - !
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HERE DP !
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HOST TUDP @ TARGET UDP !
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HOST TVOC-LINK @ TARGET VOC-LINK !
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HOST MOVE-THREADS
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