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romp: fix divide step carry and overflow flags

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This commit is contained in:
Patrick Mackinlay 2020-12-10 12:13:57 +07:00
parent 398d998881
commit 50ef9017fa
1 changed files with 2 additions and 0 deletions
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src/devices/cpu/romp/romp.cpp
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@ -714,6 +714,8 @@ void romp_device::execute_run()
break;
case 0xb6: // d: divide step
{
m_scr[CS] &= ~(CS_C | CS_O);
s64 sum = (s64(s32(m_gpr[R2])) << 1) | (m_scr[MQ] >> 31);
if (BIT(m_gpr[R2], 31) == BIT(m_gpr[R3], 31))