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Access 4 bytes in dword pop even if 2 bytes are discarded

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copy 2016-08-01 21:50:50 +02:00
commit eae27ec6fb
1 changed files with 5 additions and 5 deletions
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10
src/instructions.js
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@ -21,7 +21,7 @@ t16[0x07] = cpu => {
cpu.adjust_stack_reg(2);
};
t32[0x07] = cpu => {
cpu.switch_seg(reg_es, cpu.safe_read16(cpu.get_stack_pointer(0)));
cpu.switch_seg(reg_es, cpu.safe_read32s(cpu.get_stack_pointer(0)) & 0xFFFF);
cpu.adjust_stack_reg(4);
};
@ -64,7 +64,7 @@ t16[0x17] = cpu => {
cpu.cycle_internal();
};
t32[0x17] = cpu => {
cpu.switch_seg(reg_ss, cpu.safe_read16(cpu.get_stack_pointer(0)));
cpu.switch_seg(reg_ss, cpu.safe_read32s(cpu.get_stack_pointer(0)) & 0xFFFF);
cpu.adjust_stack_reg(4);
cpu.clear_prefixes();
cpu.cycle_internal();
@ -88,7 +88,7 @@ t16[0x1F] = cpu => {
cpu.adjust_stack_reg(2);
};
t32[0x1F] = cpu => {
cpu.switch_seg(reg_ds, cpu.safe_read16(cpu.get_stack_pointer(0)));
cpu.switch_seg(reg_ds, cpu.safe_read32s(cpu.get_stack_pointer(0)) & 0xFFFF);
cpu.adjust_stack_reg(4);
};
@ -2468,7 +2468,7 @@ t16[0xA1] = cpu => {
cpu.adjust_stack_reg(2);
};
t32[0xA1] = cpu => {
cpu.switch_seg(reg_fs, cpu.safe_read16(cpu.get_stack_pointer(0)));
cpu.switch_seg(reg_fs, cpu.safe_read32s(cpu.get_stack_pointer(0)) & 0xFFFF);
cpu.adjust_stack_reg(4);
};
@ -2521,7 +2521,7 @@ t16[0xA9] = cpu => {
cpu.adjust_stack_reg(2);
};
t32[0xA9] = cpu => {
cpu.switch_seg(reg_gs, cpu.safe_read16(cpu.get_stack_pointer(0)));
cpu.switch_seg(reg_gs, cpu.safe_read32s(cpu.get_stack_pointer(0)) & 0xFFFF);
cpu.adjust_stack_reg(4);
};