;================================================ ; hgr draw sprite (only at 7-bit boundaries) ;================================================ ; just plain draw the sprite ; no masking or transparency ; draws to page DRAWPAGE ; SPRITE in INL/INH ; Location at SPRITE_X SPRITE_Y ; xsize, ysize in first two bytes hgr_draw_sprite: ldy #0 lda (INL),Y ; load xsize clc adc SPRITE_X sta hds_sprite_width_end_smc+1 ; self modify for end of line iny ; load ysize lda (INL),Y sta hds_sprite_ysize_smc+1 ; self modify ; point smc to sprite lda INL ; 16-bit add sta hds_sprite_smc1+1 lda INH sta hds_sprite_smc1+2 ldx #0 ; X is pointer offset stx CURRENT_ROW ; actual row ldx #2 hgr_ds_yloop: lda CURRENT_ROW ; row clc adc SPRITE_Y ; add in cursor_y ; calc GBASL/GBASH tay ; get output ROW into GBASL/H lda hposn_low,Y sta GBASL lda hposn_high,Y clc adc DRAW_PAGE sta GBASH ldy SPRITE_X hgr_ds_inner_loop: hds_sprite_smc1: lda $f000,X ; load sprite data sta (GBASL),Y ; store to screen inx ; increment sprite offset iny ; increment output position hds_sprite_width_end_smc: cpy #6 ; see if reached end of row bne hgr_ds_inner_loop ; if not, loop inc CURRENT_ROW ; row lda CURRENT_ROW ; row hds_sprite_ysize_smc: cmp #31 ; see if at end bne hgr_ds_yloop ; if not, loop rts