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cc65/libsrc/pce/vce.s

17 lines
569 B
ArmAsm

.include "pcengine.inc"
.export vce_init
vce_init:
stz VCE_ADDR_LO ;
stz VCE_ADDR_HI ; Set CTA to zero
ldy #$01
vce_clear_bank: ldx #$00
vce_clear_color: stz VCE_DATA_LO ; Clear color (LSB)
stz VCE_DATA_HI ; Clear color (MSB)
dex
bne vce_clear_color
dey
bne vce_clear_bank
rts