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62 lines
1.4 KiB
NASM
62 lines
1.4 KiB
NASM
; Tests sprite 0 hit timing for which pixel it first reports hit on
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; when some pixels are under clip, or at or beyond right edge.
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.include "prefix_sprite_hit.a"
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test_name:
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.db "SPRITE HIT EDGE TIMING",0
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.code
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reset:
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jsr begin_sprite_hit_tests
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lda #solid_tile
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jsr fill_nametable
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lda #120
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sta sprite_y
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lda #two_corners_tile
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sta sprite_tile
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lda #0
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sta sprite_attr
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lda #7
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sta sprite_x
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lda #2;) Hit time shouldn't be based on pixels under left clip
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ldx #$18
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jsr begin_sprite_hit_timing
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ldy #27 ; 16380 delay
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lda #120
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jsr delay_ya1
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lda $2002
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and #$40
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jsr error_if_ne
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lda #$80
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sta sprite_attr
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lda #248
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sta sprite_x
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lda #3;) Hit time shouldn't be based on pixels at X=255
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ldx #$18
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jsr begin_sprite_hit_timing
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ldy #41 ; 16458 delay
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lda #79
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jsr delay_ya0
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lda $2002
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and #$40
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jsr error_if_ne
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lda #249
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sta sprite_x
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lda #4;) Hit time shouldn't be based on pixels off right edge
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ldx #$18
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jsr begin_sprite_hit_timing
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ldy #41 ; 16458 delay
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lda #79
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jsr delay_ya0
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lda $2002
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and #$40
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jsr error_if_ne
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jmp tests_passed
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