git.sur5r.net Git - cc65/blob - libsrc/pce/vce.s

   1
   2                         .include "pce.inc"
   3
   4                         .export vce_init
   5
   6 vce_init:
   7                         stz     VCE_ADDR_LO   ;
   8                         stz     VCE_ADDR_HI   ; Set CTA to zero
   9                         ldy     #$01
  10 vce_clear_bank:         ldx     #$00
  11 vce_clear_color:        stz     VCE_DATA_LO   ; Clear color (LSB)
  12                         stz     VCE_DATA_HI   ; Clear color (MSB)
  13                         dex
  14                         bne     vce_clear_color
  15                         dey
  16                         bne     vce_clear_bank
  17                         rts