From 41669be0a189f95a29434117158cb756197959ad Mon Sep 17 00:00:00 2001 From: RobertoFresca Date: Wed, 7 Feb 2018 12:04:22 -0300 Subject: [PATCH] Magic Card II: Documented the modified Mexican Rockwell R65C02 CPU. --- src/mame/drivers/funworld.cpp | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) 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.