Beispiel #1
0
TEMPLATE static  u32 FASTCALL OP_LSL_0(const u32 i)
{
	cpu->R[REG_NUM(i, 0)] = cpu->R[REG_NUM(i, 3)];
	cpu->CPSR.bits.N = BIT31(cpu->R[REG_NUM(i, 0)]);
	cpu->CPSR.bits.Z = cpu->R[REG_NUM(i, 0)] == 0;

	return 1;
}
TEMPLATE static uint32_t FASTCALL OP_LSL_0(uint32_t i)
{
	cpu->R[REG_NUM(i, 0)] = cpu->R[REG_NUM(i, 3)];
	cpu->CPSR.bits.N = BIT31(cpu->R[REG_NUM(i, 0)]);
	cpu->CPSR.bits.Z = !cpu->R[REG_NUM(i, 0)];

	return 1;
}
Beispiel #3
0
TEMPLATE static  u32 FASTCALL OP_LSL_0(const u32 i)
{
	cpu->R[REG_NUM(i, 0)] = cpu->R[REG_NUM(i, 3)];
	cpu->CPSR.bits.N = BIT31(cpu->R[REG_NUM(i, 0)]);
	cpu->CPSR.bits.Z = cpu->R[REG_NUM(i, 0)] == 0;

	return 1;
}

TEMPLATE static  u32 FASTCALL OP_LSL(const u32 i)
{
	u32 v = (i>>6) & 0x1F;
	cpu->CPSR.bits.C = BIT_N(cpu->R[REG_NUM(i, 3)], 32-v);
	cpu->R[REG_NUM(i, 0)] = (cpu->R[REG_NUM(i, 3)] << v);
	cpu->CPSR.bits.N = BIT31(cpu->R[REG_NUM(i, 0)]);
	cpu->CPSR.bits.Z = cpu->R[REG_NUM(i, 0)] == 0;

	return 1;
}

TEMPLATE static  u32 FASTCALL OP_LSL_REG(const u32 i)
{
	u32 v = cpu->R[REG_NUM(i, 3)] & 0xFF;

	if(v == 0)
	{
		cpu->CPSR.bits.N = BIT31(cpu->R[REG_NUM(i, 0)]);
		cpu->CPSR.bits.Z = cpu->R[REG_NUM(i, 0)] == 0;
		return 2;
	}