Files
open-roms/c64/kernal/print/print_hex_byte.s
T

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393 B
ArmAsm

//
// Print the hex value in .A as two digits
//
print_hex_byte:
#if HAS_BCD_SAFE_INTERRUPTS
// Idea by Haubitze
sed
pha
lsr
lsr
lsr
lsr
cmp #$0A
adc #$30
jsr JCHROUT
pla
and #$0F
cmp #$0A
adc #$30
cld
jmp JCHROUT
#else
pha
lsr
lsr
lsr
lsr
ora #$30
cmp #$3A
bcc !+
adc #6
!: jsr JCHROUT
pla
and #$0f
ora #$30
cmp #$3A
bcc !+
adc #6
!: jmp JCHROUT
#endif