Apple-2-SW/apple2_printm
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Michaelangel007 2016-02-20 00:05:00 -08:00
parent b6e3126518
commit ddcc225bfd
1 changed files with 15 additions and 11 deletions
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printm.s
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@ -1,7 +1,7 @@
; ca65 ; ca65
.feature c_comments .feature c_comments
/* Version 21 /* Version 22
printm - a modular micro printf replacement for 65C02 printm - a modular micro printf replacement for 65C02
Michael Pohoreski Michael Pohoreski
Copyleft {c} Feb, 2016 Copyleft {c} Feb, 2016
@ -1218,17 +1218,21 @@ DEBUG .sprintf( "PrintDec2() @ %X", * )
ASL _val+0 ASL _val+0
ROl _val+1 ROl _val+1
LDA _bcd+0 LDY #$FC
ADC _bcd+0 @DoubleDabble:
STA _bcd+0 LDA _bcd-$FC,Y
ADC _bcd-$FC,Y
STA _bcd-$FC,Y
INY
BNE @DoubleDabble
LDA _bcd+1 ; LDA _bcd+1
ADC _bcd+1 ; ADC _bcd+1
STA _bcd+1 ; STA _bcd+1
;
LDA _bcd+2 ; LDA _bcd+2
ADC _bcd+2 ; ADC _bcd+2
STA _bcd+2 ; STA _bcd+2
DEX DEX
BNE _Dec2BCD BNE _Dec2BCD