From 690dba1c64212882ba23e0f019dbaba637987cbd Mon Sep 17 00:00:00 2001 From: AJR Date: Fri, 22 Jul 2022 08:10:40 -0400 Subject: m6809: Simplify disassembly of pushes and pulls of both A and B --- src/devices/cpu/m6809/6x09dasm.cpp | 8 ++++---- 1 file changed, 4 insertions(+), 4 deletions(-) diff --git a/src/devices/cpu/m6809/6x09dasm.cpp b/src/devices/cpu/m6809/6x09dasm.cpp index 347c3191ea8..ea0ee92be8e 100644 --- a/src/devices/cpu/m6809/6x09dasm.cpp +++ b/src/devices/cpu/m6809/6x09dasm.cpp @@ -155,8 +155,8 @@ offs_t m6x09_base_disassembler::disassemble(std::ostream &stream, offs_t pc, con if (pb & 0x08) util::stream_format(stream, "%sDP", (pb&0xf0)?",":""); if (pb & 0x04) - util::stream_format(stream, "%sB", (pb&0xf8)?",":""); - if (pb & 0x02) + util::stream_format(stream, "%s%s", (pb&0xf8)?",":"", (pb & 0x02) ? "D" : "B"); + else if (pb & 0x02) util::stream_format(stream, "%sA", (pb&0xfc)?",":""); if (pb & 0x01) util::stream_format(stream, "%sCC", (pb&0xfe)?",":""); @@ -168,8 +168,8 @@ offs_t m6x09_base_disassembler::disassemble(std::ostream &stream, offs_t pc, con if (pb & 0x01) util::stream_format(stream, "CC"); if (pb & 0x02) - util::stream_format(stream, "%sA", (pb&0x01)?",":""); - if (pb & 0x04) + util::stream_format(stream, "%s%s", (pb&0x01)?",":"", (pb & 0x04) ? "D" : "A"); + else if (pb & 0x04) util::stream_format(stream, "%sB", (pb&0x03)?",":""); if (pb & 0x08) util::stream_format(stream, "%sDP", (pb&0x07)?",":""); -- cgit v1.2.3