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-rw-r--r--src/emu/cpu/sm510/sm510.c4
1 files changed, 4 insertions, 0 deletions
diff --git a/src/emu/cpu/sm510/sm510.c b/src/emu/cpu/sm510/sm510.c
index 393f920ce79..4f60ec93731 100644
--- a/src/emu/cpu/sm510/sm510.c
+++ b/src/emu/cpu/sm510/sm510.c
@@ -12,11 +12,14 @@
References:
- 1990 Sharp Microcomputers Data Book
+ - 1996 Sharp Microcomputer Databook
TODO:
- proper support for LFSR program counter in debugger
- callback for lcd screen as MAME bitmap (when needed)
- LCD bs pin blink mode via Y register
+ - LB opcode
+ - SM511 unknown opcodes
*/
@@ -151,6 +154,7 @@ void sm510_base_device::device_reset()
m_r = 0;
m_write_r(0, 0, 0xff);
+ m_melody_rd &= ~1;
}