2019-01-21 00:14:17 +00:00
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APUT82
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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 :YIDX ; Y INDEX
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DEC :YIDX
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PLA
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STA :XIDX ; X INDEX
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DEC :XIDX
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PLA
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STA ADDR4 ; ADDRESS OF ARRAY
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PLA
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STA ADDR4+1
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PLA
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STA ADDR3 ; ADDRESS OF DATA
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PLA ; TO BE COPIED
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STA ADDR3+1
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LDY #2
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LDA (ADDR4),Y
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STA :ESIZE
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STA :MCAND
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LDA #0
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STA :MCAND+1
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LDY #0
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LDA (ADDR4),Y
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STA :XLEN
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INY
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LDA (ADDR4),Y
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STA :YLEN
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LDY #0
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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 :XIDX ; IF X > MAX LEN
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CMP :XLEN
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BCS :XOVF
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JMP :ERRCONT1
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:XOVF
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_ERR :E_SID;:E_XOVF;:E_DUMP;:XIDX;#15
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:ERRCONT1
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LDA :YIDX ; IF Y > MAX LEN
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CMP :YLEN
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BCS :YOVF
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JMP :ERRCONT2
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:YOVF
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_ERR :E_SID;:E_YOVF;:E_DUMP;:XIDX;#15
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:ERRCONT2
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LDA :XIDX ; IF INDEX IS 0, ERR
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CMP #255
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BEQ :XOVF
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:ERRCONT3
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LDA :YIDX
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CMP #255
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BEQ :YOVF
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:ERREND
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LDA #0
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TAY
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STY SCRATCH
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BEQ :ENTLP
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:DOADD
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CLC
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ADC :YIDX
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TAX
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TYA
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ADC SCRATCH
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TAY
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TXA
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:LP
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ASL :YIDX
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ROL SCRATCH
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:ENTLP
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LSR :YLEN
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BCS :DOADD
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BNE :LP
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STX :MLIER
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STY :MLIER+1
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CLC
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LDA :MLIER
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ADC :XIDX
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STA :MLIER
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BCC :CONTADD
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LDA :MLIER+1
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ADC #1
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STA :MLIER+1
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:CONTADD
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LDA #0
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STA :PROD+2
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STA :PROD+3
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LDX #$10
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:SHIFTR LSR :MLIER+1
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ROR :MLIER
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BCC :ROTR
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LDA :PROD+2
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CLC
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ADC :MCAND
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STA :PROD+2
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LDA :PROD+3
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ADC :MCAND+1
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:ROTR
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ROR
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STA :PROD+3
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ROR :PROD+2
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ROR :PROD+1
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ROR :PROD
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DEX
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BNE :SHIFTR
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CLC
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INC :PROD ; INCREASE BY 3
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INC :PROD
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INC :PROD
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BCC :NOCAR
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INC :PROD+1
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:NOCAR
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CLC
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LDA :PROD
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ADC ADDR4
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STA :PROD
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LDA :PROD+1
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ADC ADDR4+1
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STA :PROD+1
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LDA :PROD
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LDY :PROD
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LDX :PROD+1
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STY ADDR2
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STX ADDR2+1
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LDY #0
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LDX #0
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:CLP
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LDA (ADDR3),Y
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STA (ADDR2),Y
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INY
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CPY :ESIZE
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BNE :CLP
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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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LDX ADDR2+1
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LDY ADDR2
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LDA :ESIZE
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RTS
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:ESIZE DS 1
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:XIDX DS 1
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:YIDX DS 1
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:MCAND DS 2
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:MLIER DS 2
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:PROD DS 4
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:XLEN DS 1
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:YLEN DS 1
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2019-01-27 02:02:17 +00:00
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:E_SID ASC "APUT82 (PUT82 MACRO)",00
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:E_DUMP ASC ":XIDX(1) :YIDX(1) :MCAND(2) :MLIER(2)"
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ASC ":PROD(4) :XLEN(1) :YLEN(1)",00
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:E_XOVF ASC "OUT OF BOUNDS! X > MAXIMUM OR IS 0.",00
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:E_YOVF ASC "OUT OF BOUNDS! Y > MAX OR IS 0.",00
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