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micro-opt

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folkert van heusden 2022-04-01 10:00:43 +02:00
parent 9a18221229
commit f1a2216588
1 changed files with 3 additions and 2 deletions
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5
cpu.cpp
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@ -1084,7 +1084,7 @@ bool cpu::single_operand_instructions(const uint16_t instr)
uint16_t a = getGAMAddress(dst_mode, dst_reg, false, false);
uint16_t v = b -> read(a, false, true);
setPSW_n(SIGN(v, word_mode));
setPSW_n(SIGN(v, false));
setPSW_z(v == 0);
setPSW_v(false);
@ -1099,7 +1099,7 @@ bool cpu::single_operand_instructions(const uint16_t instr)
// retrieve word from '15/14'-stack
uint16_t v = popStack();
setPSW_n(SIGN(v, word_mode));
setPSW_n(SIGN(v, false));
setPSW_z(v == 0);
setPSW_v(false);
@ -1145,6 +1145,7 @@ bool cpu::single_operand_instructions(const uint16_t instr)
put_result(a, dst_mode, dst_reg, word_mode, vl);
}
break;
default: