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h8: dec16/inc16 fix [Fabio Priuli]

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This commit is contained in:
Olivier Galibert 2014-03-26 08:55:28 +00:00
parent 878beeaa4d
commit ff8a1bfe4c
1 changed files with 2 additions and 2 deletions
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4
src/emu/cpu/h8/h8.c
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@ -617,7 +617,7 @@ UINT16 h8_device::do_inc16(UINT16 v1, UINT16 v2)
CCR &= ~(F_N|F_V|F_Z);
if(!res)
CCR |= F_Z;
else if(INT32(res) < 0)
else if(INT16(res) < 0)
CCR |= F_N;
if((v1^v2) & (v1^res) & 0x8000)
CCR |= F_V;
@ -709,7 +709,7 @@ UINT16 h8_device::do_dec16(UINT16 v1, UINT16 v2)
CCR &= ~(F_N|F_V|F_Z);
if(!res)
CCR |= F_Z;
else if(INT32(res) < 0)
else if(INT16(res) < 0)
CCR |= F_N;
if((v1^v2) & (v1^res) & 0x8000)
CCR |= F_V;