mirror of
https://github.com/nathanriggs/AppleIIAsm-Collection.git
synced 2024-11-27 12:49:27 +00:00
c8cac53c5e
Massive updates that changes the way most subroutines are handled. Major bugfixes, various utilities added, started higher-level libraries.
384 lines
7.0 KiB
XML
384 lines
7.0 KiB
XML
********************************
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* *
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* TYPE :: OUTPUT FILE CONTENTS *
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* *
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********************************
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*
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** ASSEMBLER DIRECTIVES
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*
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CYC AVE
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EXP ONLY ; TURN OFF LATER
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DSK RDF
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TR ON
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OBJ $BFE0
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ORG $7000
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*
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********************************
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* *
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* HEADER, HOOKS AND MACROS *
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* *
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********************************
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*
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PUT MIN.VARS.REQUIRED
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USE MIN.MAC.STRINGS
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USE MIN.MAC.REQUIRED
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USE MIN.MAC.FILEIO
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USE MIN.MAC.STDIO
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PUT MIN.HOOKS.REQUIRED
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PUT MIN.HOOKS.STDIO
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PUT MIN.HOOKS.FILEIO
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PUT MIN.HOOKS.STRINGS
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*
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********************************
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* *
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* MAIN PROGRAM LOOP *
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* *
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********************************
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*
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LISTING EQU $2000
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BYTES EQU 08
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*
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JSR INIT
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JSR OPENFILE
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*
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JMP REENTRY
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*
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********************************
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* *
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* INIT *
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* *
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********************************
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*
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INIT
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*
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AMODE
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LDA #$00
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STA $D8
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*
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LDA #00
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STA TFOUND
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RTS
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*
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*
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********************************
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* *
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* OPENFILE *
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* *
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********************************
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*
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OPENFILE
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*
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JSR GETNAME
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JSR CHKEXIST
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JSR CHKTYPE
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JSR OPENIT
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RTS
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*
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*****
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***** GETNAME
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*****
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*
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GETNAME
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*
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PRN " ",8D8D
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PRN "FILE TO PRINT: "
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INP
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GRET FNAME
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RTS
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*
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*****
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***** CHKEXIST
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*****
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*
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CHKEXIST
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ERRH :NOEXIST
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SCAT "VERIFY ";FNAME;#100
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CMD RETURN
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RTS
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*
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:NOEXIST
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PRN " ",8D8D
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LDA #7
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JSR COUT
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PRN "ERROR: FILE DOESN'T EXIST",8D8D
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PLA
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PLA
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JMP REENTRY
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*
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*****
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***** CHKTYPE
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*****
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*
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CHKTYPE
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ERRH :TXTF
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SCAT "BLOAD ";FNAME;#100
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GRET BLOAD1
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SCAT BLOAD1;",A$2000";#100
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CMD RETURN
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LDA #$FF
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STA FTYPE
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LDA TFOUND
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CMP #$FF
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BEQ :TTYPE
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RTS
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:TTYPE
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LDA #0
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STA FTYPE
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RTS
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:TXTF
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LDA #$FF
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STA TFOUND
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LDA #$00
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STA $D8
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RTS
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*
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*****
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***** OPENIT
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*****
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*
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OPENIT
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LDA FTYPE
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CMP #0
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BEQ :GOTXT
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JMP :HEXDISP
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:GOTXT
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JMP :TXTDISP
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:HEXDISP
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*
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** CODE WAS ALREADY BLOADED, SO NOW
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** JUST FIND THE ADDRESS IT'S AT
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*
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LDA $AA72 ; LOADING ADDRESS OF FILE
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STA LDADDR
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LDA $AA73
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STA LDADDR+1
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PRN " ",8D8D
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*
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LDA $AA60 ; LOADING LENGTH
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STA LDLEN
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LDA $AA61
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STA LDLEN+1
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PRN "LENGTH: (LOW BYTE, HIGH BYTE)",8D
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DUMP LDLEN;#2
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PRN " ",8D
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_WAIT
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*
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:BEGHEXOUT
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LDA #0
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STA CNT1
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LDA #<LISTING
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STA LINE
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LDA #>LISTING
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STA LINE+1
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:HEXLP1
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*
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*DUMP LINE;#BYTES
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*
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*
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LDA LINE
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STA ADDR3
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LDA LINE+1
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STA ADDR3+1
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*
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LDA ADDR3+1
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AND #$F0
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LSR
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LSR
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LSR
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LSR
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TAX
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LDA HEXTAB,X
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JSR COUT
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*
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LDA ADDR3+1
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AND #$0F
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TAX
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LDA HEXTAB,X
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JSR COUT
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*
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LDA ADDR3
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AND #$F0
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LSR
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LSR
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LSR
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LSR
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TAX
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LDA HEXTAB,X
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JSR COUT
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LDA ADDR3
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AND #$0F
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TAX
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LDA HEXTAB,X
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JSR COUT
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*
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LDA #186 ; ":"
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JSR COUT
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LDA #160 " "
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JSR COUT
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*
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LDY #0
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:DLP
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LDA (ADDR3),Y
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AND #$F0
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LSR
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LSR
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LSR
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LSR
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STA LEFT
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LDA (ADDR3),Y
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AND #$0F
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STA RIGHT
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LDX LEFT
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LDA HEXTAB,X
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JSR COUT
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LDX RIGHT
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LDA HEXTAB,X
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JSR COUT
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LDA #160
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JSR COUT
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INY
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CPY #BYTES
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BNE :DLP
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*
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PRN " ",8D
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*
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INC CNT1
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LDA CNT1
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CMP #20
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BNE :NOWAIT
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_WAIT
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LDA #0
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STA CNT1
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:NOWAIT
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LDA LINE
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CLC
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ADC #BYTES
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BCC :NOADDHI
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INC LINE+1
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:NOADDHI
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*
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** NOW CHECK IF <= BINARY LENGTH
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*
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STA LINE
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*
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LDA LISTING
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ADC LDLEN
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STA TEMP
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LDA LISTING+1
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ADC LDLEN+1
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STA TEMP+1
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*
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LDA LINE+1
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CMP TEMP+1
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BNE :RELOOP
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LDA LINE
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CMP TEMP
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BEQ :RELOOP
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BCS :QUITLP
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:RELOOP
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JMP :HEXLP1
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:QUITLP
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RTS
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:TXTDISP
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ERRH :BASIC
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SCAT "OPEN ";FNAME;#100
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CMD RETURN
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SCAT "READ ";FNAME;#100
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CMD RETURN
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ERRH :TXTDONE
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LDY #0
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STY CNT2
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:TLP0
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LDY #1
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STY CNT1
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:TLP1
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GKEY
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LDY CNT1
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*AND #$0F
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STA LINE,Y
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CMP #$8D ; IS IT RETURN CHAR?
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BEQ :TCONT
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CPY #255
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BEQ :TCONT
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INC CNT1
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JMP :TLP1
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:TCONT
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INC CNT2
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LDY CNT1
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STY LINE ; STORE LENGTH
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SPRN LINE
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LDY CNT2
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CPY #20
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BNE :TCON
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:KW
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LDA $C000 ; CHECK FOR KEYPRESS
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BPL :KW ; KEEP WAITING
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AND #$7F ; TURN OFF BIT 7
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STA $C010 ; CLEAR KEYBOARD STROBE
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LDY #0
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STY CNT2
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:TCON
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JMP :TLP0
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:TXTDONE
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SCAT "CLOSE ";FNAME;#100
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CMD RETURN
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PLA
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JMP REENTRY
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*
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*** BASIC LISTING
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*
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:BASIC
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CMD "CLOSE"
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PRN "TYPE [LIST] TO READ",8D
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PRN "THE BASIC LISTING.",8D8D
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SCAT "LOAD ";FNAME;#100
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JMP REENTRY
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*
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********************************
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* *
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* VARIABLES *
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* *
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********************************
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*
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FTYPE DS 2
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TFOUND DS 1
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FNAME DS 50
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CNT1 DS 2
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CNT2 DS 1
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TEMP DS 2
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LDADDR DS 2
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LDLEN DS 2
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LEFT DS 1
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RIGHT DS 2
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LINE DS 256
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BLOAD1 DS 256
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BLOAD2 DS 256
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*
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********************************
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* *
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* LOW-LEVEL ROUTINES *
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* *
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********************************
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*
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PUT MIN.LIB.REQUIRED
|
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*
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** INDIVIDUAL SUBROUTINES
|
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*
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*** FILEIO
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*
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PUT MIN.SUB.FPRINT
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PUT MIN.SUB.DOSCMD
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PUT MIN.SUB.FPSTR
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*
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*** STDIO
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*
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PUT MIN.SUB.DPRINT
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PUT MIN.SUB.XPRINT
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PUT MIN.SUB.SINPUT
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*
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*** STRINGS
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*
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PUT MIN.SUB.STRCAT
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PUT MIN.SUB.PRNSTR
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*
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