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Sync (as far as possible) with unmanaged C++ emulators.

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Signed-off-by: Adrian Conlon <Adrian.conlon@gmail.com>
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Adrian Conlon
2019-10-31 23:01:47 +00:00
parent 8ce71f8ab8
commit 0f2a69509b
4 changed files with 373 additions and 91 deletions
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Z80/Disassembler.cs
+33
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@@ -266,6 +266,39 @@ namespace EightBit
dumpCount += 2;
break;
case 4: // Negate accumulator
specification = "NEG";
break;
case 5: // Return from interrupt
switch (y)
{
case 1:
specification = "RETI";
break;
default:
specification = "RETN";
break;
}
break;
case 6: // Set interrupt mode
switch (y)
{
case 0:
case 1:
case 4:
case 5:
specification = "IM 0";
break;
case 2:
case 6:
specification = "IM 1";
break;
case 3:
case 7:
specification = "IM 2";
break;
}
break;
case 7:
switch (y)
{