20 lines
450 B
C
20 lines
450 B
C
/**
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* Copyright (c) 2022 Dominic Masters
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*
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* This software is released under the MIT License.
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* https://opensource.org/licenses/MIT
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*/
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#include "interrupts.h"
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void interruptOnScanline() {
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if(LYC_REG == 0) {
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LCDC_REG |= LCDCF_BG8000;
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if((TEXTBOX_STATE & TEXTBOX_STATE_VISIBLE) != 0) {
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LYC_REG = INTERRUPT_TEXTBOX_VRAM;
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}
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} else if(LYC_REG == INTERRUPT_TEXTBOX_VRAM) {
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LCDC_REG &= ~LCDCF_BG8000;
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LYC_REG = 0;
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}
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} |