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

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