34 lines
822 B
C
34 lines
822 B
C
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#include <interrupts.h>
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#include <stack.h>
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void int_handle(cpu_context *ctx, u16 address) {
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stack_push16(ctx->regs.pc);
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ctx->regs.pc = address;
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}
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bool int_check(cpu_context *ctx, u16 address, interrupt_type t){
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if(ctx->int_flags & t && ctx->ie_register & t) {
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int_handle(ctx, address);
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ctx->int_flags &= -t;
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ctx->halted = false;
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ctx->int_master_enabled = false;
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return true;
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}
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return false;
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}
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void cpu_request_interrupt(interrupt_type t);
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void cpu_handle_interrupts(cpu_context *ctx) {
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if (int_check(ctx, 0x40, IT_VBLANK)) {
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} else if(int_check(ctx, 0x48, IT_LCD_STAT)){
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} else if(int_check(ctx, 0x50, IT_TIMER)){
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} else if(int_check(ctx, 0x58, IT_SERIAL)){
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} else if(int_check(ctx, 0x60, IT_JOYPAD)){
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}
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}
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