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Diffstat (limited to 'src/emu/cpu/hmcs40/hmcs40.c')
-rw-r--r--src/emu/cpu/hmcs40/hmcs40.c34
1 files changed, 22 insertions, 12 deletions
diff --git a/src/emu/cpu/hmcs40/hmcs40.c b/src/emu/cpu/hmcs40/hmcs40.c
index 57053375ff7..9bffeba24f5 100644
--- a/src/emu/cpu/hmcs40/hmcs40.c
+++ b/src/emu/cpu/hmcs40/hmcs40.c
@@ -581,7 +581,18 @@ void hmcs40_cpu_device::execute_run()
// handle opcode
switch (m_op)
{
- // unknown: lay, ayy, syy, am, anem, alem, bnem, blem, nega
+ // unknown:
+ /*
+ lay 118
+ ayy 058
+ syy 258
+ am 034
+ anem 124/324/024/234
+ alem
+ bnem
+ blem
+ nega 244
+ */
case 0x118:
op_lay(); // probably lay
@@ -592,26 +603,25 @@ void hmcs40_cpu_device::execute_run()
case 0x124:
- op_illegal();
- //op_alem(); // alem or anem
- //op_ayy();
+ //op_illegal();
+ op_alem();
break;
case 0x324:
- op_illegal();
- //op_anem(); // "
+ //op_illegal();
+ op_anem();
break;
case 0x024:
- op_illegal();
- //op_nega();
+ //op_illegal();
+ op_bnem();
+ break;
+ case 0x234:
+ //op_illegal();
+ op_blem();
break;
- case 0x234:
- op_illegal();
- //op_nega();
- break;