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author hap <happppp@users.noreply.github.com>2017-11-27 18:54:22 +0100
committer hap <happppp@users.noreply.github.com>2017-11-27 18:55:06 +0100
commitaa0433f88cc0ca809094ba838f88cd6d171009bd (patch)
treea239c31f40ce70c69f25058a6ca42c12fe283112
parent26017a2c253dc2aabd34706e91cc4b17359b940c (diff)
tms1000 dasm: fix 9bit branch offset (nw)
-rw-r--r--src/devices/cpu/tms1000/tms1k_dasm.cpp5
1 files changed, 1 insertions, 4 deletions
diff --git a/src/devices/cpu/tms1000/tms1k_dasm.cpp b/src/devices/cpu/tms1000/tms1k_dasm.cpp
index 36d275b330b..65ea2b671ce 100644
--- a/src/devices/cpu/tms1000/tms1k_dasm.cpp
+++ b/src/devices/cpu/tms1000/tms1k_dasm.cpp
@@ -219,10 +219,7 @@ offs_t tms1000_base_disassembler::disassemble(std::ostream &stream, offs_t pc, c
util::stream_format(stream, "%d", i4_value[op & 0x0f]);
break;
case zB7:
- if (m_opcode_9bits)
- util::stream_format(stream, "$%02X", op << 1 & 0xfe);
- else
- util::stream_format(stream, "$%02X", op & 0x3f);
+ util::stream_format(stream, "$%02X", op & (m_opcode_9bits ? 0x7f : 0x3f));
break;
default:
break;