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author | RobertoFresca <robbie@mamedev.org> | 2018-02-07 12:04:22 -0300 |
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committer | RobertoFresca <robbie@mamedev.org> | 2018-02-07 12:04:22 -0300 |
commit | 41669be0a189f95a29434117158cb756197959ad (patch) | |
tree | 12017111cbb927b08063316dc2d22e3843b07187 | |
parent | debc8185b497ec41403d9109b1e7e5f12e644e38 (diff) |
Magic Card II: Documented the modified
Mexican Rockwell R65C02 CPU.
-rw-r--r-- | src/mame/drivers/funworld.cpp | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/src/mame/drivers/funworld.cpp b/src/mame/drivers/funworld.cpp index 9b5d217bbd7..0b8d270d898 100644 --- a/src/mame/drivers/funworld.cpp +++ b/src/mame/drivers/funworld.cpp @@ -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. |