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18 lines
629 B
C
18 lines
629 B
C
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// clears all the sprites
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void tms_clear_sprites() {
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// fills first sprite pattern with 0
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tms_set_vram_write_addr(TMS_SPRITE_PATTERNS);
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for(byte i=0;i<8;i++) {
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TMS_WRITE_DATA_PORT(0);
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}
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// set sprite coordinates to (0,0) and set pattern name 0
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tms_set_vram_write_addr(TMS_SPRITE_ATTRS);
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for(byte i=0;i<32;i++) {
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TMS_WRITE_DATA_PORT((6+i)*8); NOP; NOP; NOP; NOP; // y coordinate
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TMS_WRITE_DATA_PORT((6+i)*8); NOP; NOP; NOP; NOP; // x coordinate
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TMS_WRITE_DATA_PORT(0); NOP; NOP; NOP; NOP; // name
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TMS_WRITE_DATA_PORT(i); NOP; NOP; NOP; NOP; // color
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}
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}
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