mirror of
https://github.com/nathanriggs/AppleIIAsm-Collection.git
synced 2024-12-02 12:52:03 +00:00
c8cac53c5e
Massive updates that changes the way most subroutines are handled. Major bugfixes, various utilities added, started higher-level libraries.
92 lines
1.8 KiB
Plaintext
92 lines
1.8 KiB
Plaintext
TFILLA
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PLA
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STA RETADR
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PLA
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STA RETADR+1
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PLA
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STA :F
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PLA
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STA :Y2
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PLA
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STA :X2
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PLA
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STA :YC
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STA :Y1
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PLA
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STA :XC
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STA :X1
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LDA ERRCTRL
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CMP #1
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BEQ :CHKERR
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JMP :ERREND
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:CHKERR
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LDA :X1
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CMP :X2
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BCS :X1HI
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LDA :Y1
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CMP :Y2
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BCS :Y1HI
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LDA :X1
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CMP #40
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BCS :XOVF
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LDA :X2
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CMP #40
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BCS :XOVF
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LDA :Y1
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CMP #24
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BCS :YOVF
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LDA :Y2
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CMP #24
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BCS :YOVF
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JMP :ERREND
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:X1HI
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_ERR #:E_SID;#:E_X1H;#:E_DMP1;#:X1;#7
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JMP :ERREND
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:Y1HI
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_ERR #:E_SID;#:E_Y1H;#:E_DMP1;#:X1;#7
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JMP :ERREND
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:XOVF
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_ERR #:E_SID;#:E_XOF;#:E_DMP1;#:X1;#7
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JMP :ERREND
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:YOVF
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_ERR #:E_SID;#:E_YOF;#:E_DMP1;#:X1;#7
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:ERREND
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:LP1
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LDA :YC
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LDY :XC
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JSR $F847
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LDA :F
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STA ($26),Y
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LDA :YC
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INY
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STY :XC
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CPY :X2
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BNE :LP1
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LDA :X1
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STA :XC
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INC :YC
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LDA :YC
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CMP :Y2
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BNE :LP1
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:EXIT
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LDA RETADR+1
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PHA
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LDA RETADR
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PHA
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RTS
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:X1 DS 1
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:X2 DS 1
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:Y1 DS 1
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:Y2 DS 1
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:XC DS 1
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:YC DS 1
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:F DS 1
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:E_SID ASC "TFILLA (TFILL MACRO)",00
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:E_DMP1 ASC "DUMPING X1(1) X2(1) Y1(1) Y2(1)"
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ASC "XC(1) YC(1) F(1)",00
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:E_X1H ASC "X1 MUST BE LOWER THAN X2.",00
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:E_Y1H ASC "Y1 MUST BE LOWER THAN Y2.",00
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:E_XOF ASC "X <> MIN/MAX COLUMNS.",00
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:E_YOF ASC "Y <> MIN/MAX ROWS",00
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