Files
open-roms/c64/basic/ab1e.strout.s
T
2019-09-28 11:59:15 +02:00

35 lines
339 B
ArmAsm

// Print string at $YYAA
// Compute's Mapping the 64 p101
// print string routine
STROUT:
// Setup pointer
sty FRESPC+1
sta FRESPC+0
txa
pha
// Get offset ready
ldy #$00
!:
// Save Y in X, since X is preserved by chrout, but Y is not
tya
tax
lda (FRESPC),y
beq !+
jsr JCHROUT
txa
tay
iny
bne !-
!:
pla
tax
rts