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tomch 2008-07-07 21:51:50 +00:00
parent 6722ad3c14
commit 272683e056
1 changed files with 2 additions and 2 deletions
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source/CPU.cpp
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@ -37,7 +37,7 @@ Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
// . The exception is, what he calls "SKB" and "SKW" I call "NOP",
// . for consistency's sake. Several other naming conventions exist.
// . Of course, only the 6502 has illegal opcodes, the 65C02 doesn't.
// . Thus they're not emulated in Enhanced //e g_nAppMode. Games relying on them
// . Thus they're not emulated in Enhanced //e mode. Games relying on them
// . don't run on a real Enhanced //e either. The old mixture of 65C02
// . emulation and skipping the right number of bytes for illegal 6502
// . opcodes, while working surprisingly well in practice, was IMHO
@ -71,7 +71,7 @@ Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
//
// NB2. bSlowerOnPagecross can't be used for r/w detection, as these
// . opcodes don't init this flag:
// . $EC CPX ABS (since there's no addressing g_nAppMode of CPY which has variable cycle number)
// . $EC CPX ABS (since there's no addressing mode of CPY which has variable cycle number)
// . $CC CPY ABS (same)
//
// 65C02 info: