33 lines
1.0 KiB
C
33 lines
1.0 KiB
C
void screen1_square_sprites() {
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// fills first sprite pattern with 255
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tms_set_vram_write_addr(SCREEN1_SPRITE_PATTERNS); // start writing in the sprite patterns
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for(byte i=0;i<8;i++) {
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TMS_WRITE_DATA_PORT(255);
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}
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// set sprite coordinates
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tms_set_vram_write_addr(SCREEN1_SPRITE_ATTRS); // start writing in the sprite attribute
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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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void prova_screen1() {
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tms_init_regs(SCREEN1_TABLE);
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screen1_prepare();
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screen1_load_font();
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screen1_home(); screen1_puts("*** P-LAB VIDEO CARD SYSTEM ***");
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screen1_locate(0, 2); screen1_puts("16K VRAM BYTES FREE");
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screen1_locate(0, 4); screen1_puts("READY.");
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screen1_locate(0, 10);
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for(word i=0;i<256;i++) screen1_putc((byte)i);
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screen1_square_sprites();
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}
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