64 lines
682 B
ArmAsm
64 lines
682 B
ArmAsm
;======================
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; hgr 2x16 draw sprite
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;======================
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; Note: NOT TRANSPARENT
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;
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; SPRITE in INL/INH
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; Location at CURSOR_X*7 CURSOR_Y
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; X, Y, A trashed
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hgr_draw_sprite_2x16:
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; set up pointers
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lda INL
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sta hds2_smc1+1
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sta hds2_smc2+1
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lda INH
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sta hds2_smc1+2
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sta hds2_smc2+2
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; clc
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; lda INL
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; adc #1
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; sta hds2_smc2+1
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; lda #0
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; adc INH
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; sta hds2_smc2+2
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ldx #0
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hgr_2x16_sprite_yloop:
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txa
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pha
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lsr
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clc
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adc CURSOR_Y
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tax
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lda hposn_low,X
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sta GBASL
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lda hposn_high,X
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sta GBASH
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pla
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tax
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ldy CURSOR_X
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hds2_smc1:
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lda $D000,X
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sta (GBASL),Y
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inx
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iny
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hds2_smc2:
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lda $D000,X
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sta (GBASL),Y
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inx
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cpx #32
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bne hgr_2x16_sprite_yloop
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rts
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