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-rw-r--r--src/devices/cpu/tx0/tx0dasm.cpp133
1 files changed, 133 insertions, 0 deletions
diff --git a/src/devices/cpu/tx0/tx0dasm.cpp b/src/devices/cpu/tx0/tx0dasm.cpp
new file mode 100644
index 00000000000..34d49194ed3
--- /dev/null
+++ b/src/devices/cpu/tx0/tx0dasm.cpp
@@ -0,0 +1,133 @@
+// license:BSD-3-Clause
+// copyright-holders:Raphael Nabet
+#include "emu.h"
+#include "tx0dasm.h"
+
+u32 tx0_64kw_disassembler::opcode_alignment() const
+{
+ return 1;
+}
+
+offs_t tx0_64kw_disassembler::disassemble(std::ostream &stream, offs_t pc, const data_buffer &opcodes, const data_buffer &params)
+{
+ int md;
+ int x;
+
+ md = opcodes.r32(pc);
+
+ x = md & 0177777;
+ switch (md >> 16)
+ {
+ case 0:
+ util::stream_format(stream, "sto 0%06o", x);
+ break;
+ case 1:
+ util::stream_format(stream, "add 0%06o", x);
+ break;
+ case 2:
+ util::stream_format(stream, "trn 0%06o", x);
+ break;
+ case 3:
+ util::stream_format(stream, "opr 0%06o", x);
+ break;
+ }
+ return 1;
+}
+
+u32 tx0_8kw_disassembler::opcode_alignment() const
+{
+ return 1;
+}
+
+offs_t tx0_8kw_disassembler::disassemble(std::ostream &stream, offs_t pc, const data_buffer &opcodes, const data_buffer &params)
+{
+ int md;
+ int x;
+
+ md = opcodes.r32(pc);
+
+ x = md & 0017777;
+ switch (md >> 13)
+ {
+ case 0:
+ util::stream_format(stream, "sto 0%05o", x);
+ break;
+ case 1:
+ util::stream_format(stream, "stx 0%05o", x);
+ break;
+ case 2:
+ util::stream_format(stream, "sxa 0%05o", x);
+ break;
+ case 3:
+ util::stream_format(stream, "ado 0%05o", x);
+ break;
+ case 4:
+ util::stream_format(stream, "slr 0%05o", x);
+ break;
+ case 5:
+ util::stream_format(stream, "slx 0%05o", x);
+ break;
+ case 6:
+ util::stream_format(stream, "stz 0%05o", x);
+ break;
+ case 8:
+ util::stream_format(stream, "add 0%05o", x);
+ break;
+ case 9:
+ util::stream_format(stream, "adx 0%05o", x);
+ break;
+ case 10:
+ util::stream_format(stream, "ldx 0%05o", x);
+ break;
+ case 11:
+ util::stream_format(stream, "aux 0%05o", x);
+ break;
+ case 12:
+ util::stream_format(stream, "llr 0%05o", x);
+ break;
+ case 13:
+ util::stream_format(stream, "llx 0%05o", x);
+ break;
+ case 14:
+ util::stream_format(stream, "lda 0%05o", x);
+ break;
+ case 15:
+ util::stream_format(stream, "lax 0%05o", x);
+ break;
+ case 16:
+ util::stream_format(stream, "trn 0%05o", x);
+ break;
+ case 17:
+ util::stream_format(stream, "tze 0%05o", x);
+ break;
+ case 18:
+ util::stream_format(stream, "tsx 0%05o", x);
+ break;
+ case 19:
+ util::stream_format(stream, "tix 0%05o", x);
+ break;
+ case 20:
+ util::stream_format(stream, "tra 0%05o", x);
+ break;
+ case 21:
+ util::stream_format(stream, "trx 0%05o", x);
+ break;
+ case 22:
+ util::stream_format(stream, "tlv 0%05o", x);
+ break;
+ case 24:
+ case 25:
+ case 26:
+ case 27:
+ case 28:
+ case 29:
+ case 30:
+ case 31:
+ util::stream_format(stream, "opr 0%06o", md & 0177777);
+ break;
+ default:
+ util::stream_format(stream, "illegal");
+ break;
+ }
+ return 1;
+}