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Diffstat (limited to 'src/devices/cpu/pic16c62x/16c62xdsm.h')
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diff --git a/src/devices/cpu/pic16c62x/16c62xdsm.h b/src/devices/cpu/pic16c62x/16c62xdsm.h
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+// license:BSD-3-Clause
+// copyright-holders:Tony La Porta
+ /**************************************************************************\
+ * Microchip PIC16C62X Emulator *
+ * *
+ * Based On *
+ * Microchip PIC16C5X Emulator *
+ * Copyright Tony La Porta *
+ * Originally written for the MAME project. *
+ * *
+ * *
+ * Addressing architecture is based on the Harvard addressing scheme. *
+ * *
+ * Many thanks to those involved in the i8039 Disassembler *
+ * as this was based on it. *
+ * *
+ * *
+ * *
+ * A Address to jump to. *
+ * B Bit address within an 8-bit file register. *
+ * D Destination select (0 = store result in W (accumulator)) *
+ * (1 = store result in file register) *
+ * F Register file address (00-1F). *
+ * K Literal field, constant data. *
+ * X Not used *
+ * *
+ \**************************************************************************/
+
+#ifndef MAME_CPU_PIC16C62X_16C62XDSM_H
+#define MAME_CPU_PIC16C62X_16C62XDSM_H
+
+#pragma once
+
+class pic16c62x_disassembler : public util::disasm_interface
+{
+public:
+ pic16c62x_disassembler();
+ virtual ~pic16c62x_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:
+ struct PIC16C62xOpcode {
+ u16 mask; /* instruction mask */
+ u16 bits; /* constant bits */
+ u16 extcode; /* value that gets extension code */
+ const char *parse; /* how to parse bits */
+ const char *fmt; /* instruction format */
+
+ PIC16C62xOpcode(u16 m, u16 b, u16 e, const char *p, const char *f) : mask(m), bits(b), extcode(e), parse(p), fmt(f) {}
+ };
+
+ static const char *const regfile[32];
+ static const char *const dest[2];
+ static const char *const PIC16C62xFormats[];
+
+ std::vector<PIC16C62xOpcode> Op;
+
+};
+
+#endif