81 lines
1.7 KiB
C#
81 lines
1.7 KiB
C#
using System;
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namespace BizHawk.Emulation.Cores.Components.LR35902
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{
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public partial class LR35902
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{
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private void INTERRUPT_()
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{
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cur_instr = new ushort[]
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{IDLE,
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DEC16, SPl, SPh,
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IDLE,
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WR, SPl, SPh, PCh,
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IDLE,
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DEC16, SPl, SPh,
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IDLE,
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WR, SPl, SPh, PCl,
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IDLE,
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IDLE,
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IDLE,
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IDLE,
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IDLE,
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ASGN, PCh, 0,
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IDLE,
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INT_GET, W,// NOTE: here is where we check for a cancelled IRQ
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TR, PCl, W,
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IRQ_CLEAR,
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IDLE,
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OP };
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}
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private void INTERRUPT_GBC_NOP()
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{
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cur_instr = new ushort[]
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{IDLE,
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DEC16, SPl, SPh,
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IDLE,
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WR, SPl, SPh, PCh,
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IDLE,
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DEC16, SPl, SPh,
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IDLE,
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WR, SPl, SPh, PCl,
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IDLE,
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IDLE,
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IDLE,
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IDLE,
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IDLE,
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IDLE,
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IDLE,
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IDLE,
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INT_GET, W,// NOTE: here is where we check for a cancelled IRQ
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IDLE,
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TR, PCl, W,
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IDLE,
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ASGN, PCh, 0,
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IRQ_CLEAR,
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IDLE,
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OP };
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}
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private static ushort[] INT_vectors = new ushort[] {0x40, 0x48, 0x50, 0x58, 0x60, 0x00};
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public ushort int_src;
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public byte int_clear;
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public int stop_time;
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public bool stop_check;
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public bool is_GBC; // GBC automatically adds a NOP to avoid the HALT bug (according to Sinimas)
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public bool I_use; // in halt mode, the I flag is checked earlier then when deicision to IRQ is taken
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public bool skip_once;
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public bool Halt_bug_2;
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public bool Halt_bug_3;
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private void ResetInterrupts()
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{
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I_use = false;
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skip_once = false;
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Halt_bug_2 = false;
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Halt_bug_3 = false;
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}
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}
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} |