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JVS: fix outputs

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This commit is contained in:
MetalliC 2015-01-27 15:07:34 +02:00
parent 7ce48633e0
commit f7ad93826a
1 changed files with 4 additions and 2 deletions
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6
src/mame/machine/jvs13551.c
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@ -144,11 +144,13 @@ bool sega_837_13551::analogs(UINT8 *&buf, UINT8 count)
bool sega_837_13551::swoutputs(UINT8 count, const UINT8 *vals) bool sega_837_13551::swoutputs(UINT8 count, const UINT8 *vals)
{ {
// WARNING! JVS standard have reversed bits count order
// so "board have 6 output bits" means 6 MSB bits is used, the same rules for input too
if(count > 1) if(count > 1)
return false; return false;
jvs_outputs = vals[0] & 0x3f; jvs_outputs = vals[0] & 0xfc;
logerror("837-13551: output %02x\n", jvs_outputs); logerror("837-13551: output %02x\n", jvs_outputs);
ioport(port_tag[11])->write_safe(jvs_outputs, 0x3f); ioport(port_tag[11])->write_safe(jvs_outputs, 0xfc);
return true; return true;
} }