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fix LBI mask

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hap 2015-05-01 18:58:06 +02:00
parent f80fb7bc0b
commit 23d09f8ef8
1 changed files with 2 additions and 2 deletions
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4
src/emu/cpu/cop400/cop400op.inc
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@ -915,11 +915,11 @@ INSTRUCTION( lbi )
{ {
if (opcode & 0x80) if (opcode & 0x80)
{ {
B = opcode & 0x3f; B = opcode & 0x7f;
} }
else else
{ {
B = (opcode & 0x70) | (((opcode & 0x0f) + 1) & 0x0f); B = (opcode & 0x30) | (((opcode & 0x0f) + 1) & 0x0f);
} }
m_skip_lbi = 1; m_skip_lbi = 1;