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author | 2023-07-24 18:25:27 +0200 | |
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committer | 2023-07-24 18:25:27 +0200 | |
commit | 0409e0415107d047e95b15b267ad2575e16d076e (patch) | |
tree | c59b77e519be767268edb58ad808569b146ca015 /src/devices/cpu/m6502/m6503.cpp | |
parent | 5af0650c555edf33d13183f5953096d0512eaaf5 (diff) |
m6502: add 6503 cpu
Diffstat (limited to 'src/devices/cpu/m6502/m6503.cpp')
-rw-r--r-- | src/devices/cpu/m6502/m6503.cpp | 23 |
1 files changed, 23 insertions, 0 deletions
diff --git a/src/devices/cpu/m6502/m6503.cpp b/src/devices/cpu/m6502/m6503.cpp new file mode 100644 index 00000000000..1c1b2a71a55 --- /dev/null +++ b/src/devices/cpu/m6502/m6503.cpp @@ -0,0 +1,23 @@ +// license:BSD-3-Clause +// copyright-holders:Olivier Galibert +/*************************************************************************** + + m6503.cpp + + MOS Technology 6502, NMOS variant with reduced address bus + + 28-pin package, address bus is 12 bits, no NMI, no SO, no SYNC, no RDY. + +***************************************************************************/ + +#include "emu.h" +#include "m6503.h" + +DEFINE_DEVICE_TYPE(M6503, m6503_device, "m6503", "MOS Technology 6503") + +m6503_device::m6503_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock) : + m6502_device(mconfig, M6503, tag, owner, clock) +{ + program_config.m_addr_width = 12; + sprogram_config.m_addr_width = 12; +} |