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upd7810: Fixed ADC output register range.

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This commit is contained in:
Ramiro Polla 2014-10-30 12:01:21 +01:00
parent 61ae54650f
commit a604868222
1 changed files with 2 additions and 2 deletions
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4
src/emu/cpu/upd7810/upd7810.c
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@ -1546,7 +1546,7 @@ void upd7810_device::handle_timers(int cycles)
case 2: CR2 = cr; break;
case 3: CR3 = cr; break;
}
m_adout = (m_adout + 1) & 0x07;
m_adout = (m_adout + 1) & 0x03;
if (m_adout == 0)
IRR |= INTFAD;
}
@ -1577,7 +1577,7 @@ void upd7810_device::handle_timers(int cycles)
case 3: CR3 = cr; break;
}
m_adin = (m_adin + 1) & 0x07;
m_adout = (m_adout + 1) & 0x07;
m_adout = (m_adout + 1) & 0x03;
if (m_adout == 0)
IRR |= INTFAD;
}