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Posted By

bubis
on 2012-10-17
09:01:51
 Re: +4 biggest screen resolution

@Bionic: Probably you can easily answer that question if you run the same code in Yape or Plus4Emu. happy

BTW, this is your pal interlace code disassembled:


* = $5000
SEI
STA $FF3F
LDA #lo(irq0)
STA $FFFE
LDA #hi(irq0)
STA $FFFF
LDA #$02
STA $FF0A
LDA #$FA
STA $FF0B
CLI
JMP *

irq0:
PHA
LDA $FF1E
LSR A
AND #$07
STA reljump
reljump = *+1
BPL *
LDA #$A9
LDA #$A9
LDA #$A9
BIT $EA
LDA #$54
STA $FF1E
LDA #$05
STA $E8
TXA
l1: LDX #$14
l2: DEX
BNE l2
DEC $E8
BNE l1
TAX
LDA #$CA
STA $FF1E
LDA #lo(irq1)
STA $FFFE
LSR $FF09
LDA #$61
STA $FF15
PLA
RTI

irq1:
PHA
LDA #lo(irq0)
STA $FFFE
LSR $FF09
LDA #$71
STA $FF15
PLA
RTI




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