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( ERROR MESSAGES ) Use only in Definitions Execution only Conditionals not paired Definition not finished In protected dictionary Use only when loading Off current screen Declare VOCABULARY ( CASSETTE LOAD ) ( LOAD DEBUG ) 21 LOAD ( LOAD ASSEMBLER ) 39 LOAD ;S ( FULL LOAD ) ( LOAD DEBUG ) 21 LOAD ( LOAD EDITOR ) 27 LOAD ( LOAD ASSEMBLER ) 39 LOAD ;S ( ATARI FORTH DEFS ) BASE @ HEX : PON 1 PFLAG ! ; ( PRT ON ) : POFF 0 PFLAG ! ; ( PRT OFF ) : BEEP 0C0 0 DO 08 0D01F C! 6 0 DO LOOP 00 0D01F C! 6 0 DO LOOP LOOP ; : ASCII BL WORD HERE 1+ C@ STATE @ IF COMPILE CLIT C, THEN ; IMMEDIATE BASE ! ;S ( DEBUGGER AIDS -- DUMP , CDUMP ) BASE @ HEX : H. BASE @ HEX OVER U. BASE ! ; : B? BASE @ DUP DECIMAL . BASE ! ; : FREE 2E5 @ HERE - U. ." bytes" CR ; --> ( DEBUGGER AIDS -- DUMP , CDUMP ) DECIMAL : ?EXIT ?TERMINAL IF LEAVE ENDIF ; : U.R 0 SWAP D.R ; : LDMP DUP 8 + SWAP DO I C@ 4 .R LOOP ; : DUMP OVER + SWAP DO CR I 5 U.R I LDMP ?EXIT 8 +LOOP CR ; : CDMP DUP 16 + SWAP DO I C@ EMIT LOOP ; HEX : CDUMP OVER + SWAP DO CR I 5 U.R I SPACE 1 2FE C! CDMP 0 2FE C! ?EXIT 10 +LOOP CR ; DECIMAL --> ( STACK PRINTER ) HEX : DEPTH SP@ 12 +ORIGIN @ SWAP - 2 / ; : S. ( PRINTS THE STACK ) DEPTH -DUP IF 0 DO CR ." TOP+" I . SP@ I 2 * + @ U. LOOP ELSE ." Stack Empty" THEN CR ; BASE ! --> ( DEFINITION TRACER ) BASE @ HEX 0 VARIABLE .WORD ' CLIT CFA CONSTANT .CLIT ' 0BRANCH CFA CONSTANT ZBRAN ' BRANCH CFA CONSTANT BRAN ' ;S CFA CONSTANT SEMIS ' (LOOP) CFA CONSTANT PLOOP ' (+LOOP) CFA CONSTANT PPLOOP ' (.") CFA CONSTANT PDOTQ : PWORD 2+ NFA ID. ; : 1BYTE PWORD .WORD @ C@ . 1 .WORD +! ; : 1WORD PWORD .WORD @ @ . 2 .WORD +! ; : NP DUP SEMIS = IF PWORD CR CR PROMPT QUIT THEN ?TERMINAL IF PROMPT QUIT THEN ; --> ( DEFINITION TRACER ) : BRNCH PWORD ." to " .WORD @ .WORD @ @ + . 2 .WORD +! ; : STG PWORD 22 EMIT .WORD @ DUP COUNT TYPE 22 EMIT C@ .WORD @ + 1+ .WORD ! ; ' LIT CFA CONSTANT .LIT : CKIT DUP ZBRAN = OVER BRAN = OR OVER PLOOP = OR OVER PPLOOP = OR IF BRNCH ELSE DUP .LIT = IF 1WORD ELSE DUP .CLIT = IF 1BYTE ELSE DUP PDOTQ = IF STG ELSE PWORD THEN THEN THEN THEN ; --> ( DEFINITION TRACER ) ' : 12 + CONSTANT DOCOL : T?PR CR CR ." Primitive" CR CR ; : ?DOCOL DUP 2 - @ DOCOL - IF T?PR PROMPT QUIT THEN ; : .SETUP [COMPILE] ' ?DOCOL .WORD ! ; : NXT1 .WORD @ U. 2 SPACES .WORD @ @ 2 .WORD +! ; : DECOMP .SETUP CR CR BEGIN NXT1 NP CKIT CR AGAIN ; BASE ! ;S ( ** EDITOR ** ) BASE @ HEX ( THIS EDITOR IS PATTERNED AFTER ( THE EXAMPLE EDITOR IN THE fig ( "INSTALLATION MANUAL" 8/80 WFR : TEXT HERE C/L 1+ BLANKS WORD HERE PAD C/L 1+ CMOVE ; : LINE DUP FFF0 AND 17 ?ERROR SCR @ (LINE) DROP ; : MARK 10 0 DO I LINE UPDATE DROP LOOP ; --> ( EDITOR ) VOCABULARY EDITOR IMMEDIATE : WHERE DUP B/SCR / DUP SCR ! ." SCR # " DECIMAL . SWAP C/L /MOD C/L * ROT BLOCK + CR C/L -TRAILING TYPE CR HERE C@ - SPACES 1 2FE C! 1C EMIT 0 2FE C! [COMPILE] EDITOR QUIT ; EDITOR DEFINITIONS : #LOCATE R# @ C/L /MOD ; : #LEAD #LOCATE LINE SWAP ; : #LAG #LEAD DUP >R + C/L R> - ; : -MOVE LINE C/L CMOVE UPDATE ; --> ( EDITOR ) : H LINE PAD 1+ C/L DUP PAD C! CMOVE ; : E LINE C/L BLANKS UPDATE ; : S DUP 1 - 0E DO I LINE I 1+ -MOVE -1 +LOOP E ; : D DUP H 0F DUP ROT DO I 1+ LINE I -MOVE LOOP E ; --> ( EDITOR ) : M R# +! CR SPACE #LEAD TYPE 17 EMIT #LAG TYPE #LOCATE . DROP ; : T DUP C/L * R# ! DUP H 0 M ; : L SCR @ LIST 0 M ; : R PAD 1+ SWAP -MOVE ; : P 1 TEXT R ; : I DUP S R ; : TOP 0 R# ! ; --> ( EDITOR ) : CLEAR SCR ! 10 0 DO FORTH I EDITOR E LOOP ; : COPY B/SCR * OFFSET @ + SWAP B/SCR * B/SCR OVER + SWAP DO DUP FORTH I BLOCK 2 - ! 1+ UPDATE LOOP DROP FLUSH ; --> ( EDITOR ) : 1LINE #LAG PAD COUNT MATCH R# +! ; : FIND BEGIN 3FF R# @ < IF TOP PAD HERE C/L 1+ CMOVE 0 ERROR ENDIF 1LINE UNTIL ; : DELETE >R #LAG + FORTH R - #LAG R MINUS R# +! #LEAD + SWAP CMOVE R> BLANKS UPDATE ; --> ( EDITOR ) : N FIND 0 M ; : F 1 TEXT N ; : B PAD C@ MINUS M ; : X 1 TEXT FIND PAD C@ DELETE 0 M ; : TILL #LEAD + 1 TEXT 1LINE 0= 0 ?ERROR #LEAD + SWAP - DELETE 0 M ; --> ( END OF EDITOR ) : C 1 TEXT PAD COUNT #LAG ROT OVER MIN >R FORTH R R# +! R - >R DUP HERE R CMOVE HERE #LEAD + R> CMOVE R> CMOVE UPDATE 0 M ; FORTH DEFINITIONS DECIMAL LATEST 12 +ORIGIN ! HERE 28 +ORIGIN ! HERE 30 +ORIGIN ! ' EDITOR 6 + 32 +ORIGIN ! HERE FENCE ! BASE ! ;S ( DISK COPY ROUTINE 32K RAM ) BASE @ DECIMAL 16384 CONSTANT BUFHEAD 0 VARIABLE BLK# 0 VARIABLE ADRS : GET ADRS @ BLK# @ ; : RD GET DUP 718 = IF LEAVE THEN 1 R/W ; : WRT GET DUP 718 = IF LEAVE THEN 0 R/W ; : +BLK 1 BLK# +! 128 ADRS +! ; : DSETUP BLK# ! BUFHEAD ADRS ! ; : GKEY ." HIT ANY KEY " KEY CR DROP ; : RDIN CR ." Insert SOURCE disk " GKEY DSETUP 90 0 DO RD +BLK LOOP ; : WRTO CR ." Insert DESTINATION disk " GKEY DSETUP 90 0 DO WRT +BLK LOOP ; --> ( DISK COPY ROUTINE ) ( INSERT SOURCE DISK IN DRIVE #1 ( SIMPLY TYPE "DISKCOPY" ! : MS1 CR CR ." SINGLE-DRIVE DISK COPY" CR CR ; : %COPY 0 DO I 90 * DUP DUP RDIN WRTO 90 + . LOOP ; : DISKCOPY CR MS1 CR 8 %COPY ; BASE ! ;S ( ** ASSEMBLER ** IN FORTH ) ( ASSEMBLER COMFORMS TO THE ( fig "INSTALLATION GUIDE" WITH ( THE FOLLOWING EXCEPTIONS: ( SHIFTS ARE: "XXX.A" FOR A-REG. ( SHIFTS. ( CONDITIONAL BRANCHES ARE ( PATTERNED AFTER THE BRANCH OP- ( CODES: "IFEQ," IS USED IN- ( STEAD OF "0= IF," FOR BETTER ( CLARITY. SEE SCREEN 43. --> ( ASSEMBLER ) VOCABULARY ASSEMBLER IMMEDIATE BASE @ HEX : CODE [COMPILE] ASSEMBLER CREATE SMUDGE ; ASSEMBLER DEFINITIONS : SB @ C, ; ( SINGLE BYTE OPERATORS) --> ( ASSEMBLER ) 00 SB BRK, 18 SB CLC, D8 SB CLD, 58 SB CLI, B8 SB CLV, CA SB DEX, 88 SB DEY, E8 SB INX, C8 SB INY, EA SB NOP, 48 SB PHA, 08 SB PHP, 68 SB PLA, 28 SB PLP, 40 SB RTI, 60 SB RTS, 38 SB SEC, F8 SB SED, 78 SB SEI, A8 SB TAX, BA SB TSX, 8A SB TXA, 9A SB TXS, 98 SB TYA, 0A SB ASL.A, 2A SB ROL.A, 4A SB LSR.A, 6A SB ROR.A, : NOT 0= ; ( REVERSE LOGICAL ) : 0= 1 ; ( PUSH A TRUE ) --> ( ASSEMBLER ) : 3BY @ C, , ; 4C 3BY JMP, 6C 3BY JMP(), 20 3BY JSR, : ?ER5 5 ?ERROR ; : IF. C@ C, 0 C, HERE ; : THEN, DUP HERE SWAP - DUP 7F > ?ER5 DUP -80 < ?ER5 SWAP -1 + C! ; IMMEDIATE : ENDIF, [COMPILE] THEN, ; IMMEDIATE --> ( ASSEMBLER ) 30 IF. IFPL, ( BPL ) 10 IF. IFMI, ( BMI ) 70 IF. IFVC, ( BVC ) 50 IF. IFVS, ( BVS ) B0 IF. IFCC, ( BCC ) 90 IF. IFCS, ( BCS ) F0 IF. IFNE, ( BNE ) D0 IF. IFEQ, ( BEQ ) : BEGIN, HERE ; IMMEDIATE : END, IF D0 ELSE F0 THEN C, HERE 1+ - DUP -80 < ?ER5 C, ; IMMEDIATE : UNTIL, [COMPILE] END, ; IMMEDIATE --> ( ASSEMBLER ) 0D VARIABLE MODE ( ABS. MODE ) : MODE= MODE @ = ; ( CK MODE ) : 256< DUP 100 ( HEX) U< ; : MODEFIX 256< IF -08 MODE +! THEN ; ( MODE=MODE-8 IF ADR<256 ) : CKMODE MODE= IF MODEFIX THEN ; : M0 SWAP 0D CKMODE 1D CKMODE SWAP C@ MODE @ OR C, 256< IF C, ELSE , THEN 0D MODE ! ; DECIMAL 46 LOAD ;S BjDISKNAMEDATAPX-20029fig-FORTH 1.1 Rev. 2.0Patrick L. Mullarky01/15/821J ( ASSEMBLER ) HEX : X) 01 MODE ! ; ( [ADDR,X] ) : # 09 MODE ! ; ( IMMEDIATE ) : )Y 11 MODE ! ; ( [ADDR],Y ) : ,X 1D MODE ! ; ( ADDR,X ) : ,Y 19 MODE ! ; ( ADDR,Y ) 00 M0 ORA, 20 M0 AND, 40 M0 EOR, 60 M0 ADC, 80 M0 STA, A0 M0 LDA, C0 M0 CMP, E0 M0 SBC, : BIT, 256< IF 24 C, C, ELSE 2C C, , THEN ; --> ( ASSEMBLER ) : STOREADD C, 256< IF C, ELSE , THEN 0D MODE ! ; : ZPAGE OVER 100 < IF F7 AND THEN ; : XYMODE MODE @ 19 = MODE @ 1D = OR ; : M1 C@ MODE @ 1D = IF 10 ELSE 0 THEN OR ZPAGE STOREADD ; 0E M1 ASL, 2E M1 ROL, 4E M1 LSR, 6E M1 ROR, CE M1 DEC, EE M1 INC, --> ( ASSEMBLER ) : OPCODE C@ ZPAGE XYMODE IF 10 OR THEN ; : M2 OPCODE MODE @ 9 = IF 4 - THEN STOREADD ; AC M2 LDY, AE M2 LDX, CC M2 CPY, EC M2 CPX, : M3 OPCODE STOREADD ; 8C M3 STY, 8E M3 STX, --> ( END OF ASSEMBLER ) FORTH DEFINITIONS LATEST 0C +ORIGIN ! ( NTOP ) HERE 1C +ORIGIN ! ( FENCE ) HERE 1E +ORIGIN ! ( DP ) BASE ! ;S ( COLOR COMMANDS ) BASE @ HEX : SETCOLOR 2 * SWAP 10 * OR SWAP 02C4 ( COLPF0 ) + C! ; : SE. SETCOLOR ; ( ALIAS ) ( REGISTER#-3, COLOR-2, LUM-1 ( 0-3 0-F 0-7 --> ( GRAPHICS COMMANDS ) E456 CONSTANT CIO 1C VARIABLE MASK 340 CONSTANT IOCX 53 VARIABLE SNAME CODE GR. 1 # LDA, GFLAG STA, XSAVE STX, 0 ,X LDA, # 30 LDX, IOCX 0B + ,X STA, # 3 LDA, IOCX 2 + ,X STA, SNAME FF AND # LDA, IOCX 4 + ,X STA, SNAME 100 / # LDA, IOCX 5 + ,X STA, MASK LDA, IOCX 0A + ,X STA, CIO JSR, XSAVE LDX, 0 # LDY, POP JMP, --> ( GRAPHICS COMMANDS ) CODE &GR XSAVE STX, # 30 LDX, # C LDA, IOCX 2 + ,X STA, CIO JSR, XSAVE LDX, 0 # LDA, GFLAG STA, NEXT JMP, : XGR &GR 0 GR. &GR ; ( EXIT GRAPHICS MODE ) --> ( GRAPHICS I/O ) CODE CPUT 0 ,X LDA, PHA, XSAVE STX, # 30 LDX, # B LDA, IOCX 2 + ,X STA, TYA, IOCX 8 + ,X STA, IOCX 9 + ,X STA, PLA, CIO JSR, XSAVE LDX, POP JMP, 54 CONSTANT ROWCRS 55 CONSTANT COLCRS : POS ROWCRS C! COLCRS ! ; : PLOT POS CPUT ; --> ( GRAPHICS I/O ) : GTYPE -DUP IF OVER + SWAP DO I C@ CPUT LOOP ELSE DROP ENDIF ; : (G") R COUNT DUP 1+ R> + >R GTYPE ; : G" 22 STATE @ IF COMPILE (G") WORD HERE C@ 1+ ALLOT ELSE WORD HERE COUNT GTYPE ENDIF ; IMMEDIATE --> ( DRAW, FIL ) 2FB CONSTANT ATACHR 2FD CONSTANT FILDAT CODE GCOM XSAVE STX, 0 ,X LDA, # 30 LDX, IOCX 2 + ,X STA, CIO JSR, XSAVE LDX, POP JMP, : DRAW POS ATACHR C! 11 GCOM ; : FIL FILDAT C! 12 GCOM ; BASE ! ;S ( SOUND COMMANDS ) BASE @ HEX D208 CONSTANT AUDCTL D200 CONSTANT AUDBASE : SOUND ( CH# FREQ DIST VOL --- ) 3 DUP 0D20F C! 232 C! SWAP 16 * + ROT DUP + AUDBASE + ROT OVER C! 1+ C! ; : FILTER! AUDCTL C! ; ( N --- ) BASE ! ;S ( GRAPHICS TESTS ) : BOX 0 10 10 PLOT 1 50 10 DRAW 1 50 25 DRAW 1 10 25 DRAW 1 10 10 DRAW ; : FBOX XGR 5 GR. BOX 10 25 POS 2 FIL ; ( DOS OBJECT READER ) BASE @ HEX 0 VARIABLE BLOCK# 0 VARIABLE BYTES 0 VARIABLE BYTPTR 0 VARIABLE ADDRSS 0 VARIABLE #BYTES : GETCOUNT 7F + C@ 7F AND BYTES ! 0 BYTPTR ! ; : FNEXTBLK 7D + DUP C@ 100 * SWAP 1+ C@ + 3FF AND 1 - ; : LINKBLOCK FNEXTBLK DUP BLOCK# ! DUP 0 > IF BLOCK THEN ; : BLK-CK BYTES @ 0= IF BLOCK# @ BLOCK LINKBLOCK GETCOUNT THEN ; : NEXTBYTE BLK-CK -1 BYTES +! BYTPTR @ 1 BYTPTR +! BLOCK# @ BLOCK + C@ ; : NEXTWORD NEXTBYTE NEXTBYTE 100 * + ; --> ( DOS OBJECT READER ) : ADRCALC NEXTWORD DUP ADDRSS ! NEXTWORD SWAP - 1+ #BYTES ! ; : BLOCKSET DUP BLOCK# ! BLOCK GETCOUNT ; : LOADOBJ BLOCKSET NEXTWORD 1+ IF CR ." Not an Object file" CR QUIT THEN BEGIN ADRCALC #BYTES @ 0 DO NEXTBYTE ADDRSS @ C! 1 ADDRSS +! LOOP BLOCK# @ BLOCK FNEXTBLK 1+ 0= BYTES @ 0= AND END ; BASE ! ;S ( FLOATING POINT WORDS ) BASE @ HEX : FDROP DROP DROP DROP ; : FDUP >R >R DUP R> DUP ROT SWAP R ROT ROT R> ; CODE FSWAP XSAVE STX, # 6 LDY, BEGIN, 0 ,X LDA, PHA, INX, DEY, 0= END, XSAVE LDX, # 6 LDY, BEGIN, 6 ,X LDA, 0 ,X STA, INX, DEY, 0= END, XSAVE LDX, # 6 LDY, BEGIN, PLA, 0B ,X STA, DEX, DEY, 0= END, XSAVE LDX, NEXT JMP, XSAVE 100 * 86 + CONSTANT XSAV : XS, XSAV , ; --> ( FLOATING POINT WORDS ) CODE FOVER DEX, DEX, DEX, DEX, DEX, DEX, XSAVE STX, # 6 LDY, BEGIN, 0C ,X LDA, 0 ,X STA, INX, DEY, 0= END, XSAVE LDX, NEXT JMP, XSAVE 100 * A6 + CONSTANT XLD : XL, XLD , ; CODE AFP XS, D800 JSR, XL, NEXT JMP, CODE FASC XS, D8E6 JSR, XL, NEXT JMP, CODE IFP XS, D9AA JSR, XL, NEXT JMP, --> ( FLOATING POINT WORDS ) CODE FPI XS, D9D2 JSR, XL, NEXT JMP, CODE FADD XS, DA66 JSR, XL, NEXT JMP, CODE FSUB XS, DA60 JSR, XL, NEXT JMP, CODE FMUL XS, DADB JSR, XL, NEXT JMP, CODE FDIV XS, DB28 JSR, XL, NEXT JMP, CODE FLG XS, DECD JSR, XL, NEXT JMP, CODE FLG10 XS, DED1 JSR, XL, NEXT JMP, CODE FEX XS, DDC0 JSR, XL, NEXT JMP, CODE FEX10 XS, DDCC JSR, XL, NEXT JMP, CODE FPOLY XS, DD40 JSR, XL, NEXT JMP, --> ( FLOATING POINT WORDS ) D4 CONSTANT FR0 E0 CONSTANT FR1 FC CONSTANT FLPTR F3 CONSTANT INBUF F2 CONSTANT CIX --> ( FLOATING POINT ) : F@ >R R @ R 2+ @ R> 4 + @ ; : F! >R R 4 + ! R 2+ ! R> ! ; : F.TY BEGIN INBUF @ C@ DUP 7F AND EMIT 1 INBUF +! 80 > UNTIL ; : F. FR0 F@ FSWAP FR0 F! FASC F.TY SPACE FR0 F! ; : F? F@ F. ; --> ( FLOATING POINT ) : FR0 F@ ; : FS FR0 F! ; : F+ ; : F- ; : F* ; : F/ ; : FLOAT FR0 ! IFP F> ; : FIX FS FPI FR0 @ ; : FLOG FS FLG F> ; : FLOG10 FS FLG10 F> ; : FEXP FS FEX F> ; : FEXP10 FS FEX10 F> ; --> ( FLOATING POINT ) : ASCF 0 CIX ! INBUF ! AFP F> ; : FLIT R> DUP 6 + >R F@ ; : FLITERAL STATE @ IF COMPILE FLIT HERE F! 6 ALLOT ENDIF ; : FLOATING ( FLOAT FOLLOWING CONSTANT ) BL WORD HERE 1+ ASCF FLITERAL ; IMMEDIATE ( EX: FLOATING 1.2345 ) ( OR FLOATING -1.67E-13 ) : FP [COMPILE] FLOATING ; IMMEDIATE --> ( FLOATING POINT ) : FVARIABLE ; : FCONSTANT F@ ; : F0= OR OR 0= ; : F= F- F0= ; : F< F- DROP DROP 80 AND 0 > ; BASE ! ;S ( FORTH INC.'S EDITOR ) ( This editor was written by S.H. Daniel, in FORTH DIMENSIONS, ( Volume III, number 3. ( The only change was to make the cursor a "block" for higher ( visibility. P. Mullarky 9/29/81 --> ( FORTH INC.'S EDITOR ) BASE @ FORTH DEFINITIONS HEX : TEXT HERE C/L 1+ BLANKS WORD HERE PAD C/L 1+ CMOVE ; : LINE DUP FFF0 AND 17 ?ERROR SCR @ (LINE) DROP ; VOCABULARY EDITOR IMMEDIATE : WHERE DUP B/SCR / DUP SCR ! ." SCR # " DECIMAL . SWAP C/L /MOD C/L * ROT BLOCK + CR C/L TYPE [COMPILE] EDITOR QUIT ; EDITOR DEFINITIONS : #LOCATE R# @ C/L /MOD ; : #LEAD #LOCATE LINE SWAP ; : #LAG #LEAD DUP >R + C/L R> - ; : -MOVE LINE C/L CMOVE UPDATE ; : BUF-MOVE PAD 1+ C@ IF PAD SWAP C/L 1+ CMOVE ELSE DROP THEN ; : >LINE# #LOCATE SWAP DROP ; --> ( FORTH INC.'S EDITOR ) : FIND-BUF PAD 50 + ; : INSERT-BUF FIND-BUF 50 + ; : (HOLD) LINE INSERT-BUF 1+ C/L DUP INSERT-BUF C! CMOVE ; : (KILL) LINE C/L BLANKS UPDATE ; : (SPREAD) >LINE# DUP 1 - E DO I LINE I 1+ -MOVE -1 +LOOP (KILL) ; : X >LINE# DUP (HOLD) F DUP ROT DO I 1+ LINE I -MOVE LOOP (KILL) ; : DISPLAY-CURSOR CR SPACE #LEAD TYPE A0 EMIT #LAG TYPE #LOCATE . DROP ; : T C/L * R# ! 0 DISPLAY-CURSOR ; : L SCR @ LIST ; : N 1 SCR +! ; : B -1 SCR +! ; --> ( FORTH INC.'S EDITOR ) : (TOP) 0 R# ! ; : SEEK-ERROR (TOP) FIND-BUF HERE C/L 1+ CMOVE HERE COUNT TYPE ." None" QUIT ; : (R) >LINE# INSERT-BUF 1+ SWAP -MOVE ; : P 5E TEXT INSERT-BUF BUF-MOVE (R) ; : WIPE 10 0 DO I (KILL) LOOP ; : COPY B/SCR * OFFSET @ + SWAP B/SCR * B/SCR OVER + SWAP DO DUP FORTH I BLOCK 2 - ! 1+ UPDATE LOOP DROP FLUSH ; : 1LINE #LAG FIND-BUF COUNT MATCH R# +! ; : (SEEK) BEGIN 3FF R# @ < IF SEEK-ERROR THEN 1LINE UNTIL ; : (DELETE) >R #LAG + R - #LAG R MINUS R# +! #LEAD + SWAP CMOVE R> BLANKS UPDATE ; : (F) 5E TEXT FIND-BUF BUF-MOVE (SEEK) ; : F (F) DISPLAY-CURSOR ; --> ( FORTH INC.'S EDITOR ) : (E) FIND-BUF C@ (DELETE) ; : E (E) DISPLAY-CURSOR ; : D (F) E ; : TILL #LEAD + 5E TEXT FIND-BUF BUF-MOVE 1LINE 0= IF SEEK-ERROR THEN #LEAD + SWAP - (DELETE) DISPLAY-CURSOR ; 0 VARIABLE COUNTER : BUMP 1 COUNTER 1+ COUNTER @ 38 > IF 0 COUNTER ! CR CR F MESSAGE C EMIT THEN ; : S C EMIT 5E TEXT 0 COUNTER ! FIND-BUF BUF-MOVE SCR @ DUP >R DO I SCR ! (TOP) BEGIN 1LINE IF DISPLAY-CURSOR SCR ? BUMP THEN 3FF R# @ < UNTIL LOOP R> SCR ! ; : I 5E TEXT INSERT-BUF BUF-MOVE INSERT-BUF COUNT #LAG ROT OVER MIN >R R R# +! R - >R DUP HERE R CMOVE HERE #LEAD + R> CMOVE R> CMOVE UPDATE DISPLAY-CURSOR ; --> ( FORTH INC.'S EDITOR ) : U C/L R# +! (SPREAD) P ; : R (E) I ; : M SCR @ >R R# @ >R >LINE# (HOLD) SWAP SCR ! 1+ C/L * R# (SPREAD) (R) R> C/L + R# R> SCR ! ; DECIMAL LATEST 12 +ORIGIN ! HERE 28 +ORIGIN ! HERE 30 +ORIGIN ! ' EDITOR 6 + 32 +ORIGIN ! HERE FENCE ! FORTH DEFINITIONS BASE ! FORTH ;S ( RAGSDALE ASSEMBLER ) ( This assembler was published in Dr. Dobbs Journal V.6 N.9 ( Sept. '81 ) ( ... and is the assembler used in the fig "Installation Guide." --> ( RAGSDALE ASSEMBLER ) VOCABULARY ASSEMBLER IMMEDIATE ASSEMBLER DEFINITIONS BASE @ HEX 0 VARIABLE INDEX -2 ALLOT 0909 , 1505 , 0115 , 8011 , 8009 , 1D0D , 8019 , 8080 , 0080 , 1404 , 8014 , 8080 , 8080 , 1C0C , 801C , 2C80 , 2 VARIABLE MODE : .A 0 MODE ! ; : # 1 MODE ! ; : MEM 2 MODE ! ; : ,X 3 MODE ! ; : ,Y 4 MODE ! ; : X) 5 MODE ! ; : )Y 6 MODE ! ; : ) F MODE ! ; : BOT ,X 0 ; : SEC ,X 2 ; : RP) ,X 101 ; : UPMODE IF MODE @ 8 AND 0= IF 8 MODE +! THEN THEN 1 MODE @ F AND -DUP IF 0 DO DUP + LOOP THEN OVER 1+ @ AND 0= ; : CPU C@ C, MEM ; 00 CPU BRK, 18 CPU CLC, D8 CPU CLD, 58 CPU CLI, B8 CPU CLV, CA CPU DEX, 88 CPU DEY, E8 CPU INX, C8 CPU INY, EA CPU NOP, 48 CPU PHA, 08 CPU PHP, 68 CPU PLA, 28 CPU PLP, 40 CPU RTI, 60 CPU RTS, 38 CPU SEC, F8 CPU SED, 78 CPU SEI, AA CPU TAX, --> ( RAGSDALE ASSEMBLER ) A8 CPU TAY, BA CPU TSX, 8A CPU TXA, 9A CPU TXS, 98 CPU TYA, : MCP DUP 1+ @ 80 AND IF 10 MODE +! THEN OVER FF00 AND UPMODE UPMODE IF MEM CR LATEST ID. 3 ERROR THEN C@ MODE C@ INDEX + C@ + C, MODE C@ 7 AND IF MODE C@ F AND 7 < IF C, ELSE , THEN THEN MEM ; 1C6E 60 MCP ADC, 1C6E 20 MCP AND, 1C6E C0 MCP CMP, 1C6E 40 MCP EOR, 1C6E A0 MCP LDA, 1C6E 00 MCP ORA, 1C6E E0 MCP SBC, 1C6C 80 MCP STA, 0D0D 01 MCP ASL, 0C0C C1 MCP DEC, 0C0C E1 MCP INC, 0D0D 41 MCP LSR, 0D0D 21 MCP ROL, 0D0D 61 MCP ROR, 0414 81 MCP STX, 0486 E0 MCP CPX, 0486 C0 MCP CPY, 1496 A2 MCP LDX, 0C8E A0 MCP LDY, 048C 80 MCP STY, 0480 14 MCP JSR, 8480 40 MCP JMP, 0484 20 MCP BIT, : BEGIN, HERE 1 ; IMMEDIATE : UNTIL, ?EXEC >R 1 ?PAIRS R> C, HERE 1+ - C, ; IMMEDIATE --> ( RAGSDALE ASSEMBLER ) : IF, C, HERE 0 C, 2 ; IMMEDIATE : THEN, ?EXEC 2 ?PAIRS HERE OVER C@ IF SWAP ! ELSE OVER 1+ - SWAP C! THEN ; IMMEDIATE : ELSE, 2 ?PAIRS HERE 1+ 1 JMP, SWAP HERE OVER 1+ - SWAP C! 2 ; IMMEDIATE : NOT 20 + ; 90 CONSTANT CS D0 CONSTANT 0= 10 CONSTANT 0< 90 CONSTANT >= : END-CODE CURRENT @ CONTEXT ! ?EXEC ?CSP SMUDGE ; IMMEDIATE FORTH DEFINITIONS DECIMAL : CODE ?EXEC CREATE [COMPILE] ASSEMBLER ASSEMBLER MEM !CSP ; IMMEDIATE ' ASSEMBLER CFA ' ;CODE 8 + ! LATEST 12 +ORIGIN ! HERE 28 +ORIGIN ! HERE 30 +ORIGIN ! HERE FENCE ! ' ASSEMBLER 6 + 32 +ORIGIN ! BASE ! FORTH ;S ( TEST SCREEN ) 123 456 XXX 789 123 ( DOS I/O ) BASE @ HEX 340 VARIABLE IOCB 0 VARIABLE IO.X 0 VARIABLE IO.CH : IOCC 10 * 70 MIN DUP IO.X C! 340 + IOCB ! ; : @ IOCB @ + ; 2 ICCOM 3 ICSTA 4 ICBAL 8 ICBLL A ICAX1 B ICAX2 C ICAX3 D ICAX4 E ICAX5 F ICAX6 CODE XCIO XSAVE STX, IO.X LDX, IO.CH LDA, E456 JSR, XSAVE LDX, IO.CH STA, TYA, PUSH0A JMP, : OPEN IOCC ICAX2 C! ICAX1 C! ICBAL ! 03 ICCOM C! XCIO ; : CLOSE IOCC 0C ICCOM C! XCIO ; : PUTC IOCC IO.CH C! 0B ICCOM C! XCIO ; : GETC IOCC 7 ICCOM C! XCIO IO.CH C@ SWAP ; --> ( DOS I/O ) : GETREC IOCC 5 ICCOM C! ICBLL ! ICBAL ! XCIO ; : PUTREC IOCC 9 ICCOM C! ICBLL ! ICBAL ! XCIO ; : STATUS IOCC ICSTA C@ ; : DEVSTAT IOCC 0D ICCOM C! XCIO >R 2EA @ 2EC @ R> ; : SPECIAL IOCC ICCOM C! ICAX6 C! ICAX5 C! ICAX4 C! ICAX3 C! ICAX2 C! ICAX1 C! XCIO ; : FORMAT CR CR ." Input Drive # " KEY DUP EMIT 30 - 1 MAX 4 MIN CR CR ." When you hit RETURN I'm going to" CR ." FORMAT Drive " DUP . CR CR ." Hit any other key to abort " BEEP KEY 9B = IF (FMT) 1 = CR CR ." Format " IF ." OK" ELSE ." ERROR" THEN ELSE DROP THEN CR CR ; BASE ! ;S ( ATARI-850 DOWNLOAD ) BASE @ HEX CODE DO-SIO XSAVE STX, 0 # LDA, E459 JSR, XSAVE LDX, NEXT JMP, : SET-DCB 50 300 C! 1 301 C! 3F 302 C! 40 303 C! 500 304 ! 5 306 C! 0 307 C! C 308 C! 0 309 ! 0 30B C! ; CODE RELOCATE XSAVE STX, 506 JSR, HERE 8 + JSR, XSAVE LDX, NEXT JMP, 0C JMP(), : BOOT850 HERE 2E7 ! SET-DCB DO-SIO 500 300 0C CMOVE DO-SIO RELOCATE 2E7 @ HERE - ALLOT HERE FENCE ! ; BASE ! ;S ( "STARTING FORTH" CHANGES ) BASE @ DECIMAL : VARIABLE 0 VARIABLE ; : 'S SP@ ; : S0 18 +ORIGIN @ ; : 1- 1 - ; : 2- 2 - ; : 2* DUP + ; : 2/ 2 / ; : NOT 0= ; : I' R> R> R ROT ROT >R >R ; : J R> R> R> R R# ! >R >R >R R# @ ; : PAGE 125 EMIT ; : 2VARIABLE VARIABLE 0 , ; : EXIT R> ; : H DP ; : 2CONSTANT D@ ; : CREATE VARIABLE -2 ALLOT ; : 2@ D@ ; : 2! D! ; : >IN IN ; : /LOOP [COMPILE] LOOP ; IMMEDIATE : ['] [COMPILE] ' ; : WITHIN >R 1- OVER < SWAP R> < AND ; : NUMPATCH DROP 58 OVER = SWAP 44 48 WITHIN OR NOT ; : NUMFIX ' NUMPATCH CFA ' NUMBER 52 + ! ; NUMFIX --> ( "STARTING FORTH" CHANGES ) : ABORT" STATE @ IF COMPILE 0BRANCH HERE 0 , COMPILE (.") ASCII " WORD HERE C@ 1+ ALLOT COMPILE QUIT HERE OVER - SWAP ! ELSE IF ASCII " WORD HERE COUNT TYPE QUIT THEN THEN ; IMMEDIATE BASE ! ;S ( DDISK ) BASE @ HEX 0 VARIABLE CBLOCK 0 VARIABLE BUFF : .HEAD 7D EMIT ." Enter BLOCK number in hex: " QUERY BL WORD HERE NUMBER DROP CR ; : GBLK .HEAD CR CR CBLOCK ! ; : RBLOCK CBLOCK @ BLOCK DUP BUFF ! ; : .H 0 <# # # #> TYPE SPACE ; : DLINE 8 0 DO DUP I + C@ .H LOOP ; : C.ON 1 2FE C! ; : C.OFF 0 2FE C! ; : DCHAR C.ON 8 0 DO DUP I + C@ DUP 9B = IF DROP BL THEN EMIT LOOP C.OFF ; : FQUIT DROP 7D EMIT ." ALL DONE" CR DECIMAL PROMPT QUIT ; --> ( DDISK ) HEX : D.LINE DLINE SPACE DCHAR ; : D.BLOCK 3 54 C! 2 55 ! ." BLOCK " CBLOCK @ . CR RBLOCK 80 0 DO I .H DUP I + D.LINE DROP CR 8 +LOOP DROP ; : PBLK CBLOCK +! D.BLOCK ; : +BLOCK 1 PBLK ; : -BLOCK -1 PBLK ; : PICK SP@ SWAP 2 * + 2+ @ ; : CKEY KEY DUP 1B = IF FQUIT ELSE DUP 4E = IF +BLOCK ELSE DUP 42 = IF -BLOCK ELSE DUP 9B = IF GBLK D.BLOCK THEN THEN THEN THEN ; : DDISK HEX GBLK D.BLOCK BEGIN CKEY DROP AGAIN ; BASE ! ;S