mirror of
https://github.com/forth-ev/VolksForth.git
synced 2024-12-03 01:51:52 +00:00
256 lines
16 KiB
Plaintext
256 lines
16 KiB
Plaintext
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0 \ Development Tools cas 26jan06
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1
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2 Interactive Tracer
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3
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4 One-Step Debugger
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5
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6 Traps
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8
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Screen 1 not modified
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0 \ TOOLS LOADSCREEN 22MAR85RE)
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1
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2 ONLYFORTH
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3
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4 \NEEDS CODE abort( Assembler is needed )
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5
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6 VOCABULARY TOOLS
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7
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8 TOOLS ALSO DEFINITIONS
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9 hex
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10 1 &11 +THRU
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11 decimal
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12 ONLYFORTH
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13
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14
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15
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Screen 2 not modified
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0 \ HANDLE STEPS BP 10 02 85)
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1
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2 ASSEMBLER ALSO DEFINITIONS
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3
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4 ONLY FORTH ALSO TOOLS ALSO DEFINITIONS
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5 | VARIABLE (W | VARIABLE RPT
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6
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7 | CODE STEP
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8 RPT DEC RP X) LDA IP STA
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9 RP )Y LDA IP 1+ STA RP 2INC
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10 (W LDA W STA (W 1+ LDA W 1+ STA
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11 W 1- JMP END-CODE
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12
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13 | CREATE NEXTSTEP ] STEP [
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14
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Screen 3 not modified
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0 \ THROW STATUS ON R-STACK B 23JUL85RE)
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1
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2 | CREATE NPULL 0 ]
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3 RP@ COUNT 2DUP + RP! R> SWAP CMOVE ;
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4
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5 : NPUSH ( ADDR LEN -)
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6 R> -ROT OVER >R RP@ OVER 1+ - DUP RP! PLACE
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7 NPULL >R >R ;
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8
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9 | : ONELINE .STATUS SPACE QUERY INTERPRET
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10 -82 ALLOT RDROP ( DELETE QUIT FROM TNEXT ) ;
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Screen 4 not modified
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0 \ TRAP AND DISPLAY KS 26MAR85RE)
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1 LABEL TNEXT
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2 IP 2INC RP LDA RPT CMP 0<> ?[
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3 [[ W 1- JMP SWAP ]?
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4 RP 1+ LDA RPT 1+ CMP 0= ?]
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5 LABEL DOTRACE
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6 RPT INC ( DISABLE TRACER )
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7 W LDA (W STA W 1+ LDA (W 1+ STA
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8 ;C: R@ NEXTSTEP >R
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9 INPUT PUSH KEYBOARD
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10 OUTPUT PUSH DISPLAY
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11 CR 2- DUP 4 U.R @ DUP 5 U.R 2 SPACES
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12 >NAME .NAME 1C COL - 0 MAX SPACES .S
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13 STATE PUSH BLK PUSH >IN PUSH
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14 [ ' 'QUIT >BODY ] LITERAL PUSH
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15 [ ' >INTERPRET >BODY ] LITERAL PUSH
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Screen 5 not modified
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0 \
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1 #TIB PUSH TIB #TIB @ NPUSH R0 PUSH
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2 RP@ R0 ! 082 ALLOT
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3 ['] ONELINE IS 'QUIT QUIT ; -2 ALLOT
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11
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Screen 6 not modified
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0 \ TRACER COMMANDS BP 23JUL85RE)
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1
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2 | CODE (TRACE TNEXT 0 100 M/MOD
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3 # LDA NEXT 0C + STA
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4 # LDA NEXT 0B + STA
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5 04C # LDA NEXT 0A + STA NEXT JMP END-CODE
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6
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7 : TRACE' RP@ 2- RPT ! ' (TRACE EXECUTE END-TRACE ;
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8
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9 : BREAK RP@ 2+ RPT ! (TRACE ; RESTRICT
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11 : TRACEL: CREATE , DOES> @ RPT +! ;
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12
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13 -6 TRACEL: +DO 6 TRACEL: -DO
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14 -2 TRACEL: +R 2 TRACEL: -R
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15 -6 TRACEL: +PUSH 6 TRACEL: -PUSH
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Screen 7 not modified
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0 \ WATCH TRAP BP 10 02 85 )
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1
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2 | VARIABLE WATCHPT 2 ALLOT
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3
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4 LABEL WNEXT IP 2INC
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5 WATCHPT LDA N STA WATCHPT 1+ LDA N 1+ STA
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6 N X) LDA WATCHPT 2+ CMP 0<> ?[
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7 [[ RP LDA RPT STA RP 1+ LDA RPT 1+ STA
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8 ( SET TO TNEXT) TNEXT 0 100 M/MOD
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9 # LDA NEXT 0C + STA # LDA NEXT 0B + STA
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10 DOTRACE JMP SWAP ]?
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11 N )Y LDA WATCHPT 3 + CMP 0= ?] W 1- JMP END-CODE
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Screen 8 not modified
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0 \ WATCH COMMANDS BP 10 02 85 )
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1
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2 | CODE (WATCH WNEXT 0 100 M/MOD
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3 # LDA NEXT 0C + STA
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4 # LDA NEXT 0B + STA
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5 04C # LDA NEXT 0A + STA NEXT JMP END-CODE
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6
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7 : WATCH' ( ADR -- )
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8 DUP WATCHPT ! @ WATCHPT 2+ ! ' (WATCH EXECUTE END-TRACE ;
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9
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10 : CONT ( -) WATCHPT @ @ WATCHPT 2+ ! (WATCH ;
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11
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12 ( SYNTAX : <VARNAME> WATCH' <PROCEDURE> )
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Screen 9 not modified
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0 \ TOOLS FOR DECOMPILING, KS 4 APR 83 )
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1 ( INTERACTIVE USE )
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2 | : ?: DUP 4 U.R ." :" ;
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3 | : @? DUP @ 6 U.R ;
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4 | : C? DUP C@ 3 .R ;
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5 | : BL 024 COL - 0 MAX SPACES ;
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6
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7 : S ( ADR - ADR+) ( PRINT LITERAL STRING)
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8 ?: SPACE C? 4 SPACES DUP COUNT TYPE
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9 DUP C@ + 1+ BL ; ( COUNT + RE)
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10
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11 : N ( ADR - ADR+2) ( PRINT NAME OF NEXT WORD BY ITS CFA)
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12 ?: @? 2 SPACES DUP @ >NAME .NAME 2+ BL ;
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13
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14 : L ( ADR - ADR+2) ( PRINT LITERAL VALUE) ?: @? 2+ BL ;
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Screen 10 not modified
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0 \ TOOLS FOR DECOMPILING, INTERACTIVE )
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1
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2 : D ( ADR N - ADR+N) ( DUMP N BYTES)
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3 2DUP SWAP ?: 3 SPACES SWAP 0 DO C? 1+ LOOP
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4 4 SPACES -ROT TYPE BL ;
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5
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6 : C ( ADR - ADR+1) ( PRINT BYTE AS UNSIGNED VALUE) 1 D ;
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8 : B ( ADR - ADR+2) ( PRINT BRANCH TARGET LOCATION )
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9 ?: @? DUP @ OVER + 6 U.R 2+ BL ;
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10
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11 ( USED FOR : )
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12 ( NAME STRING LITERAL DUMP CLIT BRANCH )
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13 ( - - - - - - )
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Screen 11 not modified
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0 \ DEBUGGING UTILITIES BP 19 02 85 )
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1
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2 : UNRAVEL \ UNRAVEL PERFORM (ABORT"
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3 RDROP RDROP RDROP CR ." TRACE DUMP IS " CR
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4
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5 BEGIN RP@ R0 @ -
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6 WHILE R> DUP 8 U.R SPACE 2- @ >NAME .NAME CR
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7 REPEAT (ERROR ;
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8
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9 ' UNRAVEL ERRORHANDLER !
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