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Color background test

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This commit is contained in:
Rob McMullen 2017-07-02 19:58:07 -07:00
parent c3a9f1478c
commit cf5c47e121
2 changed files with 50 additions and 2 deletions
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multitest.dsk
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52
multitest.s
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@ -39,7 +39,7 @@ start
bit TXTPAGE1
bit SETHIRES
;jsr clrscr
jsr clrscr
jsr initsprites
gameloop
@ -200,7 +200,7 @@ clrscr
lda #$20
sta clr1+2
clr0
lda #$81
lda #0
ldy #0
clr1
sta $ffff,y
@ -210,8 +210,56 @@ clr1
ldx clr1+2
cpx #$40
bcc clr1
clrscr2
ldy #1
clrouter
ldx #0
clrloop
lda HGRROWS_H1,x
sta SCRATCH1
lda HGRROWS_L,x
sta SCRATCH0
lda tophalf,y
cpx #96
bcc clrwrite
lda bothalf,y
clrwrite
sta (SCRATCH0),y
inx
cpx #192
bcc clrloop
iny
cpy #40
bcs clrend
bne clrouter
clrend
rts
tophalf
.byte 0
.byte $88, ~01010101, ~00101010, ~01010101, ~00101010, ~01010101
.byte $08, ~00101010, ~01010101, ~00101010, ~01010101, ~00101010
.byte $10, ~01010101, ~00101010, ~01010101, ~00101010, ~01010101
.byte $1c, ~00101010, ~01010101, ~00101010, ~01010101, ~00101010
.byte $88, ~01010101, ~00101010, ~01010101, ~00101010, ~01010101
.byte $9c, ~01010101, ~00101010, ~01010101, ~00101010, ~01010101
.byte $9c, ~00101010, ~01010101, ~00101010, ~01010101, ~00101010
.byte $1c, ~01010101, ~00101010, ~01010101, ~00101010, ~01010101
bothalf
.byte 0
.byte $9c, ~11010101, ~10101010, ~11010101, ~10101010, ~11010101
.byte ~10001000, ~10101010, ~11010101, ~10101010, ~11010101, ~10101010
.byte ~00010000, ~11010101, ~10101010, ~11010101, ~10101010, ~11010101
.byte $08, ~10101010, ~11010101, ~10101010, ~11010101, ~10101010
.byte $9c, ~11010101, ~10101010, ~11010101, ~10101010, ~11010101
.byte $9c, ~11010101, ~10101010, ~11010101, ~10101010, ~11010101
.byte $88, ~11010101, ~10101010, ~11010101, ~10101010, ~11010101
.byte $08, ~10101010, ~11010101, ~10101010, ~11010101, ~10101010
; Sprite data is interleaved so a simple indexed mode can be used. This is not
; convenient to set up but makes faster accessing because you don't have to
; increment the index register. For example, all the info about sprite #2 can