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Merge pull request #476 from lioncash/asr
dyncom: Fix 32-bit ASR shifts for immediates
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commit
86e8ff85c9
@ -176,13 +176,11 @@ unsigned int DPO(ArithmeticShiftRightByImmediate)(arm_processor *cpu, unsigned i
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unsigned int shifter_operand;
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unsigned int shifter_operand;
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int shift_imm = BITS(sht_oper, 7, 11);
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int shift_imm = BITS(sht_oper, 7, 11);
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if (shift_imm == 0) {
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if (shift_imm == 0) {
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if (BIT(rm, 31)) {
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if (BIT(rm, 31) == 0)
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shifter_operand = 0;
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shifter_operand = 0;
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cpu->shifter_carry_out = BIT(rm, 31);
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else
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} else {
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shifter_operand = 0xFFFFFFFF;
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shifter_operand = 0xFFFFFFFF;
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cpu->shifter_carry_out = BIT(rm, 31);
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cpu->shifter_carry_out = BIT(rm, 31);
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}
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} else {
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} else {
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shifter_operand = static_cast<int>(rm) >> shift_imm;
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shifter_operand = static_cast<int>(rm) >> shift_imm;
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cpu->shifter_carry_out = BIT(rm, shift_imm - 1);
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cpu->shifter_carry_out = BIT(rm, shift_imm - 1);
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