summaryrefslogtreecommitdiffstatshomepage
path: root/src/devices/cpu/clipper/clipperd.h
diff options
context:
space:
mode:
Diffstat (limited to 'src/devices/cpu/clipper/clipperd.h')
-rw-r--r--src/devices/cpu/clipper/clipperd.h37
1 files changed, 37 insertions, 0 deletions
diff --git a/src/devices/cpu/clipper/clipperd.h b/src/devices/cpu/clipper/clipperd.h
new file mode 100644
index 00000000000..1dd757fde63
--- /dev/null
+++ b/src/devices/cpu/clipper/clipperd.h
@@ -0,0 +1,37 @@
+// license:BSD-3-Clause
+// copyright-holders:Patrick Mackinlay
+
+#ifndef MAME_CPU_CLIPPER_CLIPPERDASM_H
+#define MAME_CPU_CLIPPER_CLIPPERDASM_H
+
+#pragma once
+
+class clipper_disassembler : public util::disasm_interface
+{
+public:
+ clipper_disassembler() = default;
+ virtual ~clipper_disassembler() = default;
+
+ virtual u32 opcode_alignment() const override;
+ virtual offs_t disassemble(std::ostream &stream, offs_t pc, const data_buffer &opcodes, const data_buffer &params) override;
+
+private:
+ enum addressing_modes : u8
+ {
+ ADDR_MODE_PC32 = 0x10, // pc relative with 32 bit displacement
+ ADDR_MODE_ABS32 = 0x30, // 32 bit absolute
+ ADDR_MODE_REL32 = 0x60, // relative with 32 bit displacement
+ ADDR_MODE_PC16 = 0x90, // pc relative with 16 bit displacement
+ ADDR_MODE_REL12 = 0xa0, // relative with 12 bit displacement
+ ADDR_MODE_ABS16 = 0xb0, // 16 bit absolute
+ ADDR_MODE_PCX = 0xd0, // pc indexed
+ ADDR_MODE_RELX = 0xe0 // relative indexed
+ };
+
+ static const char *const cc[];
+ std::string address (offs_t pc, const data_buffer &opcodes);
+
+
+};
+
+#endif