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Magic Card II: Documented the modified

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Mexican Rockwell R65C02 CPU.
This commit is contained in:
RobertoFresca 2018-02-07 12:04:22 -03:00
parent debc8185b4
commit 41669be0a1
1 changed files with 1 additions and 1 deletions
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src/mame/drivers/funworld.cpp
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@ -302,7 +302,7 @@
The game resolution seems to change 'on the fly' when entering the input test mode.
There aren't any writes to the m6845 registers to manage these changes.
Regarding the CPU, it seems to be a custom one, or a daughterboard with a 65c02 + PLDs/TTLs.
Regarding the CPU, it's a Mexican Rockwell R65C02 with some mods respect the regular/stock 65C02.
Some CPU instructions seems to be changed. The following piece of code at $C1A8 is very clear:
C1A8: A0 00 ldy #$00 ; clear Y register to use as counter.