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Added convenient macro for getting the MCS-48 ALE frequency. (no whatsnew)

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Curt Coder 2011-02-24 21:06:27 +00:00
parent bb22e532ed
commit 90bad2747e
1 changed files with 3 additions and 0 deletions
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3
src/emu/cpu/mcs48/mcs48.h
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@ -87,6 +87,9 @@ enum
MACROS MACROS
***************************************************************************/ ***************************************************************************/
#define MCS48_ALE_CLOCK(_clock) \
attotime::from_hz(_clock/(3*5)/16)
/* Official Intel MCS-48 parts */ /* Official Intel MCS-48 parts */
DECLARE_LEGACY_CPU_DEVICE(I8021, i8021); /* 1k internal ROM, 64 bytes internal RAM */ DECLARE_LEGACY_CPU_DEVICE(I8021, i8021); /* 1k internal ROM, 64 bytes internal RAM */
DECLARE_LEGACY_CPU_DEVICE(I8022, i8022); /* 2k internal ROM, 128 bytes internal RAM */ DECLARE_LEGACY_CPU_DEVICE(I8022, i8022); /* 2k internal ROM, 128 bytes internal RAM */