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author | 2019-08-03 00:14:50 -0400 | |
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committer | 2019-08-03 00:16:14 -0400 | |
commit | 505ec70d1553ffcadb3b4a9a93459f303a42af62 (patch) | |
tree | b22116e7a14d30689194d088e9f57d612637d840 /src/devices/cpu/upd7810/upd7810.cpp | |
parent | 875b8d355140aa196f353b3e930b641fd354aa1c (diff) |
upd7810: Fix breakpoints; add notes
Diffstat (limited to 'src/devices/cpu/upd7810/upd7810.cpp')
-rw-r--r-- | src/devices/cpu/upd7810/upd7810.cpp | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/src/devices/cpu/upd7810/upd7810.cpp b/src/devices/cpu/upd7810/upd7810.cpp index c2e5c3952a8..54bc5e3757e 100644 --- a/src/devices/cpu/upd7810/upd7810.cpp +++ b/src/devices/cpu/upd7810/upd7810.cpp @@ -8,6 +8,10 @@ * This work is based on the * "NEC Electronics User's Manual, April 1987" * + * NEC called this MCU family "μCOM-87" or "87AD" (7810 and up). It is + * not to be confused with the later and incompatible 78K family, though + * its architectural influence is acknowledged. + * * NS20030115: * - fixed INRW_wa() * - TODO: add 7807, differences are listed below. @@ -1903,9 +1907,9 @@ void upd7810_device::execute_run() { int cc; + PPC = PC; debugger_instruction_hook(PC); - PPC = PC; RDOP(OP); /* |