mode7: more work on scrolling

flickery for some reason
This commit is contained in:
Vince Weaver 2017-12-14 12:36:22 -05:00
parent f3bae510cf
commit a65c7b9d8f
3 changed files with 60 additions and 15 deletions

View File

@ -1,9 +1,9 @@
scroll_length: .byte 127
scroll_length: .byte 167
scroll_row1:
.byte $00,$00,$00,$00,$00,$00,$00,$00,$00,$00,$00,$00,$00,$00,$00,$00,$00,$00,$00,$00,$00,$00,$00,$00,$00,$00,$00,$00,$00,$00,$00,$00,$00,$00,$00,$00,$00,$00,$00,$00,$20,$20,$00,$00,$00,$20,$20,$20,$20,$00,$00,$20,$20,$00,$00,$20,$20,$20,$00,$20,$20,$20,$20,$00,$20,$20,$20,$00,$00,$00,$00,$00,$00,$00,$40,$00,$00,$00,$40,$00,$00,$40,$40,$00,$00,$00,$40,$40,$40,$00,$00,$00,$00,$00,$00,$10,$00,$00,$10,$00,$10,$10,$10,$10,$00,$10,$10,$10,$00,$00,$10,$10,$10,$10,$00,$10,$10,$10,$00,$10,$10,$10,$00,$10,$10,$10,$00
.byte $00,$00,$00,$00,$00,$00,$00,$00,$00,$00,$00,$00,$00,$00,$00,$00,$00,$00,$00,$00,$00,$00,$00,$00,$00,$00,$00,$00,$00,$00,$00,$00,$00,$00,$00,$00,$00,$00,$00,$00,$20,$20,$00,$00,$00,$20,$20,$20,$20,$00,$00,$20,$20,$00,$00,$20,$20,$20,$00,$20,$20,$20,$20,$00,$20,$20,$20,$00,$00,$00,$00,$00,$00,$00,$40,$00,$00,$00,$40,$00,$00,$40,$40,$00,$00,$00,$40,$40,$40,$00,$00,$00,$00,$00,$00,$10,$00,$00,$10,$00,$10,$10,$10,$10,$00,$10,$10,$10,$00,$00,$10,$10,$10,$10,$00,$10,$10,$10,$00,$10,$10,$10,$00,$10,$10,$10,$00,$00,$00,$00,$00,$00,$00,$00,$00,$00,$00,$00,$00,$00,$00,$00,$00,$00,$00,$00,$00,$00,$00,$00,$00,$00,$00,$00,$00,$00,$00,$00,$00,$00,$00,$00,$00,$00,$00,$00,$00
scroll_row2:
.byte $00,$00,$00,$00,$00,$00,$00,$00,$00,$00,$00,$00,$00,$00,$00,$00,$00,$00,$00,$00,$00,$00,$00,$00,$00,$00,$00,$00,$00,$00,$00,$00,$00,$00,$00,$00,$00,$00,$00,$00,$E6,$00,$06,$E0,$00,$E6,$00,$00,$00,$00,$E6,$00,$00,$E6,$00,$00,$E6,$00,$00,$E6,$00,$00,$00,$00,$E6,$00,$00,$E6,$00,$00,$00,$00,$00,$00,$DC,$00,$00,$00,$DC,$00,$DC,$00,$00,$DC,$00,$DC,$00,$00,$00,$00,$00,$00,$00,$00,$00,$B3,$00,$00,$B3,$00,$B3,$00,$00,$00,$00,$B3,$00,$00,$B3,$00,$B3,$00,$00,$00,$00,$03,$B3,$03,$00,$03,$B3,$03,$00,$03,$B3,$03,$00
.byte $00,$00,$00,$00,$00,$00,$00,$00,$00,$00,$00,$00,$00,$00,$00,$00,$00,$00,$00,$00,$00,$00,$00,$00,$00,$00,$00,$00,$00,$00,$00,$00,$00,$00,$00,$00,$00,$00,$00,$00,$E6,$00,$06,$E0,$00,$E6,$00,$00,$00,$00,$E6,$00,$00,$E6,$00,$00,$E6,$00,$00,$E6,$00,$00,$00,$00,$E6,$00,$00,$E6,$00,$00,$00,$00,$00,$00,$DC,$00,$00,$00,$DC,$00,$DC,$00,$00,$DC,$00,$DC,$00,$00,$00,$00,$00,$00,$00,$00,$00,$B3,$00,$00,$B3,$00,$B3,$00,$00,$00,$00,$B3,$00,$00,$B3,$00,$B3,$00,$00,$00,$00,$03,$B3,$03,$00,$03,$B3,$03,$00,$03,$B3,$03,$00,$00,$00,$00,$00,$00,$00,$00,$00,$00,$00,$00,$00,$00,$00,$00,$00,$00,$00,$00,$00,$00,$00,$00,$00,$00,$00,$00,$00,$00,$00,$00,$00,$00,$00,$00,$00,$00,$00,$00,$00
scroll_row3:
.byte $00,$00,$00,$00,$00,$00,$00,$00,$00,$00,$00,$00,$00,$00,$00,$00,$00,$00,$00,$00,$00,$00,$00,$00,$00,$00,$00,$00,$00,$00,$00,$00,$00,$00,$00,$00,$00,$00,$00,$00,$EF,$00,$00,$EF,$00,$EF,$0F,$0F,$00,$00,$EF,$0F,$0F,$EF,$00,$00,$EF,$00,$00,$EF,$0F,$0F,$00,$00,$EF,$0F,$0F,$E0,$00,$00,$00,$00,$00,$00,$DF,$00,$D0,$00,$DF,$00,$DF,$0F,$0F,$DF,$00,$00,$0F,$0F,$D0,$00,$00,$00,$00,$00,$00,$BF,$0F,$0F,$BF,$00,$BF,$0F,$0F,$00,$00,$BF,$0F,$0F,$B0,$00,$BF,$0F,$0F,$00,$00,$00,$0F,$00,$00,$00,$0F,$00,$00,$00,$0F,$00,$00
.byte $00,$00,$00,$00,$00,$00,$00,$00,$00,$00,$00,$00,$00,$00,$00,$00,$00,$00,$00,$00,$00,$00,$00,$00,$00,$00,$00,$00,$00,$00,$00,$00,$00,$00,$00,$00,$00,$00,$00,$00,$EF,$00,$00,$EF,$00,$EF,$0F,$0F,$00,$00,$EF,$0F,$0F,$EF,$00,$00,$EF,$00,$00,$EF,$0F,$0F,$00,$00,$EF,$0F,$0F,$E0,$00,$00,$00,$00,$00,$00,$DF,$00,$D0,$00,$DF,$00,$DF,$0F,$0F,$DF,$00,$00,$0F,$0F,$D0,$00,$00,$00,$00,$00,$00,$BF,$0F,$0F,$BF,$00,$BF,$0F,$0F,$00,$00,$BF,$0F,$0F,$B0,$00,$BF,$0F,$0F,$00,$00,$00,$0F,$00,$00,$00,$0F,$00,$00,$00,$0F,$00,$00,$00,$00,$00,$00,$00,$00,$00,$00,$00,$00,$00,$00,$00,$00,$00,$00,$00,$00,$00,$00,$00,$00,$00,$00,$00,$00,$00,$00,$00,$00,$00,$00,$00,$00,$00,$00,$00,$00,$00,$00
scroll_row4:
.byte $00,$00,$00,$00,$00,$00,$00,$00,$00,$00,$00,$00,$00,$00,$00,$00,$00,$00,$00,$00,$00,$00,$00,$00,$00,$00,$00,$00,$00,$00,$00,$00,$00,$00,$00,$00,$00,$00,$00,$00,$26,$20,$06,$00,$00,$26,$20,$20,$20,$00,$26,$00,$00,$26,$00,$00,$26,$00,$00,$26,$20,$20,$20,$00,$26,$00,$00,$26,$00,$00,$00,$00,$00,$00,$4C,$0C,$00,$0C,$4C,$00,$4C,$00,$00,$4C,$00,$40,$40,$40,$0C,$00,$00,$00,$00,$00,$00,$13,$00,$00,$13,$00,$13,$10,$10,$10,$00,$13,$00,$00,$13,$00,$13,$10,$10,$10,$00,$00,$13,$00,$00,$00,$13,$00,$00,$00,$13,$00,$00
.byte $00,$00,$00,$00,$00,$00,$00,$00,$00,$00,$00,$00,$00,$00,$00,$00,$00,$00,$00,$00,$00,$00,$00,$00,$00,$00,$00,$00,$00,$00,$00,$00,$00,$00,$00,$00,$00,$00,$00,$00,$26,$20,$06,$00,$00,$26,$20,$20,$20,$00,$26,$00,$00,$26,$00,$00,$26,$00,$00,$26,$20,$20,$20,$00,$26,$00,$00,$26,$00,$00,$00,$00,$00,$00,$4C,$0C,$00,$0C,$4C,$00,$4C,$00,$00,$4C,$00,$40,$40,$40,$0C,$00,$00,$00,$00,$00,$00,$13,$00,$00,$13,$00,$13,$10,$10,$10,$00,$13,$00,$00,$13,$00,$13,$10,$10,$10,$00,$00,$13,$00,$00,$00,$13,$00,$00,$00,$13,$00,$00,$00,$00,$00,$00,$00,$00,$00,$00,$00,$00,$00,$00,$00,$00,$00,$00,$00,$00,$00,$00,$00,$00,$00,$00,$00,$00,$00,$00,$00,$00,$00,$00,$00,$00,$00,$00,$00,$00,$00,$00

View File

@ -13,39 +13,84 @@
;===============
lda #0
sta DISP_PAGE
sta TEMP
scroll_loop:
ldx scroll_length
ldy #0
ldx #0
ldy TEMP
lda DISP_PAGE
beq draw_page2
lda #4
sta sm1+2
sta sm2+2
lda #5
sta sm3+2
sta sm4+2
jmp draw_done
draw_page2:
lda #8
sta sm1+2
sta sm2+2
lda #9
sta sm3+2
sta sm4+2
draw_done:
draw_loop:
lda scroll_row1,Y
sta $400,Y
sm1:
sta $400,X
lda scroll_row2,Y
sta $480,Y
sm2:
sta $480,X
lda scroll_row3,Y
sta $500,Y
sm3:
sta $500,X
lda scroll_row4,Y
sta $580,Y
sm4:
sta $580,X
iny
dex
inx
cpx #40
bne draw_loop
;==================
; flip pages
;==================
; jsr page_flip ; 6
jsr page_flip ; 6
;==================
; delay
;==================
lda #125
jsr WAIT
;==================
; loop forever
;==================
clc
lda TEMP
adc #40
cmp scroll_length
bne blah
lda #0
sta TEMP
jmp scroll_loop
blah:
inc TEMP
jmp scroll_loop ; 3
;===============================================

View File

@ -289,7 +289,7 @@ static int color_map[4][8]={
int main(int argc, char **argv) {
//char string[]="ABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789";
char string[]=" \001DEATER \002WAS \003HERE!!!";
char string[]=" \001DEATER \002WAS \003HERE!!! ";
int length=0,width=0,x,y,i;
int color,color1,color2;
int which_color=0;