; Autogenerates code for Type2 (escape) ; First 9 (?) lines = text mode ; UPDATE2_START = $9000 ;DEFAULT_COLOR = $0 create_update_type2: ldx #192 lda #UPDATE2_START sta OUTH lda #another_scanline sta INH create_update2_outer_loop: ldy #0 create_update2_inner_loop: lda (INL),Y sta (OUTL),Y iny cpy #47 bne create_update2_inner_loop ; toggle PAGE0/PAGE1 txa and #$1 ; ror? clc adc #$54 ldy #1 sta (OUTL),Y clc lda #47 adc OUTL sta OUTL lda OUTH adc #0 sta OUTH dex bne create_update2_outer_loop ldy #0 lda #$60 ; rts sta (OUTL),Y rts ;BARS_START = 46 .if 0 ;=========================== ; from 40 to 168? setup_rasterbars: lda #4 ; which page sta RASTER_PAGE ldx #BARS_START lda #<(UPDATE_START+(BARS_START*49)) sta OUTL lda #>(UPDATE_START+(BARS_START*49)) sta OUTH setup_rasterbars_outer_loop: ldy #6 lda #13 sta RASTER_X setup_rasterbars_inner_loop: txa pha inx txa ; start one earlier lsr lsr and #$fe tax clc lda gr_offsets,X adc RASTER_X inc RASTER_X sta (OUTL),Y iny clc lda gr_offsets+1,X adc RASTER_PAGE sta (OUTL),Y iny iny pla tax cpy #48 bne setup_rasterbars_inner_loop clc lda #49 adc OUTL sta OUTL lda OUTH adc #0 sta OUTH lda RASTER_PAGE eor #$04 sta RASTER_PAGE inx cpx #184 bne setup_rasterbars_outer_loop rts .endif another_scanline: .byte $2C,$54,$C0 ; bit PAGE0 ; 4 .byte $A2,$01 ;smc018: ldx #$01 ; 2 .byte $A9,$00 ; lda #$00 ; 2 .byte $9D,$00,$02 ; sta $c00,X ; 5 .byte $A9,$00 ; lda #$00 ; 2 .byte $9D,$00,$02 ; sta $c00,X ; 5 .byte $A9,$00 ; lda #$00 ; 2 .byte $9D,$00,$02 ; sta $c00,X ; 5 .byte $A9,$00 ; lda #$00 ; 2 .byte $9D,$00,$02 ; sta $c00,X ; 5 .byte $A9,$00 ; lda #$00 ; 2 .byte $9D,$00,$02 ; sta $c00,X ; 5 .byte $A9,$00 ; lda #$00 ; 2 .byte $9D,$00,$02 ; sta $c00,X ; 5 .byte $A9,$00 ; lda #$00 ; 2 .byte $9D,$00,$02 ; sta $c00,X ; 5 .byte $A2,$00 ; ldx #$00 ; 2 .byte $A5,$85 ; lda ZERO ; 3 .byte $9D,$00,$02 ; sta $c00,X ; 5 ;========== ;=== ; 47??? ; 65