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Diffstat (limited to 'src/devices/cpu/f2mc16/f2mc16dasm.cpp')
-rw-r--r--src/devices/cpu/f2mc16/f2mc16dasm.cpp1211
1 files changed, 1211 insertions, 0 deletions
diff --git a/src/devices/cpu/f2mc16/f2mc16dasm.cpp b/src/devices/cpu/f2mc16/f2mc16dasm.cpp
new file mode 100644
index 00000000000..b1d5194da12
--- /dev/null
+++ b/src/devices/cpu/f2mc16/f2mc16dasm.cpp
@@ -0,0 +1,1211 @@
+// license:BSD-3-Clause
+// copyright-holders:R. Belmont
+/***************************************************************************
+
+ Fujitsu Micro F2MC-16 series disassembler
+
+***************************************************************************/
+
+#include "util/disasmintf.h"
+#include "f2mc16dasm.h"
+
+#include "util/strformat.h"
+
+using osd::u32;
+using util::BIT;
+using offs_t = u32;
+
+u32 f2mc16_disassembler::opcode_alignment() const
+{
+ return 1;
+}
+
+void f2mc16_disassembler::branch_helper(std::ostream &stream, const char *insName, u16 PC, s8 offset)
+{
+ util::stream_format(stream, "%s $%04X", insName, PC+offset);
+}
+
+offs_t f2mc16_disassembler::ea_form1_helper(std::ostream &stream, const char *opName, u16 pc, u8 operand, u16 imm16, bool bAIsDest)
+{
+ offs_t bytes = 2;
+
+ switch (operand & 0xf)
+ {
+ case 0x0: case 0x1: case 0x2: case 0x3: case 0x4: case 0x5: case 0x6: case 0x7:
+ if (bAIsDest)
+ {
+ util::stream_format(stream, "%s A, @RW%d + #$%02x", opName, (operand & 0x7), imm16&0xff);
+ }
+ else
+ {
+ util::stream_format(stream, "%s @RW%d + #$%02x, A", opName, (operand & 0x7), imm16&0xff);
+ }
+ bytes = 3;
+ break;
+
+ case 0x8: case 0x9: case 0xa: case 0xb:
+ if (bAIsDest)
+ {
+ util::stream_format(stream, "%s A, @RW%d + #$%04x", opName, (operand & 0x3), imm16);
+ }
+ else
+ {
+ util::stream_format(stream, "%s @RW%d + #$%04x, A", opName, (operand & 0x3), imm16);
+ }
+ bytes = 4;
+ break;
+
+ case 0xc: case 0xd:
+ if (bAIsDest)
+ {
+ util::stream_format(stream, "%s A, @RW%d + RW7", opName, (operand & 0x1));
+ }
+ else
+ {
+ util::stream_format(stream, "%s @RW%d + RW7, A", opName, (operand & 0x1));
+ }
+ bytes = 2;
+ break;
+
+ case 0xe:
+ if (bAIsDest)
+ {
+ util::stream_format(stream, "%s A, @PC + #$04x ($%04X)", opName,(operand & 0x1), imm16, (s16)imm16 + (pc & 0xffff));
+ }
+ else
+ {
+ util::stream_format(stream, "%s @PC + #$04x ($%04X), A", opName,(operand & 0x1), imm16, (s16)imm16 + (pc & 0xffff));
+ }
+ bytes = 4;
+ break;
+
+ case 0xf:
+ if (bAIsDest)
+ {
+ util::stream_format(stream, "%s A, $%04x", (operand & 0x1), imm16);
+ }
+ else
+ {
+ util::stream_format(stream, "%s $%04x, A", (operand & 0x1), imm16);
+ }
+ bytes = 4;
+ break;
+ }
+
+ return bytes;
+}
+
+offs_t f2mc16_disassembler::ea_form1_helper_noA(std::ostream &stream, const char *opName, u16 pc, u8 operand, u16 imm16)
+{
+ offs_t bytes = 2;
+
+ switch (operand & 0xf)
+ {
+ case 0x0: case 0x1: case 0x2: case 0x3: case 0x4: case 0x5: case 0x6: case 0x7:
+ util::stream_format(stream, "%s @RW%d + #$%02x", opName, (operand & 0x7), imm16&0xff);
+ bytes = 3;
+ break;
+
+ case 0x8: case 0x9: case 0xa: case 0xb:
+ util::stream_format(stream, "%s@RW%d + #$%04x", opName, (operand & 0x3), imm16);
+ bytes = 4;
+ break;
+
+ case 0xc: case 0xd:
+ util::stream_format(stream, "%s@RW%d + RW7", opName, (operand & 0x1));
+ bytes = 2;
+ break;
+
+ case 0xe:
+ util::stream_format(stream, "%s@PC + #$04x ($%04X)", opName,(operand & 0x1), imm16, (s16)imm16 + (pc & 0xffff));
+ bytes = 4;
+ break;
+
+ case 0xf:
+ util::stream_format(stream, "%s$%04x", (operand & 0x1), imm16);
+ bytes = 4;
+ break;
+ }
+
+ return bytes;
+}
+
+offs_t f2mc16_disassembler::disassemble(std::ostream &stream, offs_t pc, const data_buffer &opcodes, const data_buffer &params)
+{
+ u8 opcode = opcodes.r8(pc);
+ u8 operand = opcodes.r8(pc+1);
+ offs_t bytes = 1;
+
+ switch (opcode)
+ {
+ case 0x00:
+ stream << "NOP";
+ break;
+
+ case 0x03:
+ util::stream_format(stream, "NEG A");
+ break;
+
+ case 0x04:
+ stream << "PCB ";
+ bytes = 1 + (disassemble(stream, pc + 1, opcodes, params) & LENGTHMASK);
+ break;
+
+ case 0x05:
+ stream << "DTB ";
+ bytes = 1 + (disassemble(stream, pc + 1, opcodes, params) & LENGTHMASK);
+ break;
+
+ case 0x06:
+ stream << "ADB ";
+ bytes = 1 + (disassemble(stream, pc + 1, opcodes, params) & LENGTHMASK);
+ break;
+
+ case 0x07:
+ stream << "SPB ";
+ bytes = 1 + (disassemble(stream, pc + 1, opcodes, params) & LENGTHMASK);
+ break;
+
+ case 0x08:
+ util::stream_format(stream, "LINK #$%02x", operand);
+ bytes = 2;
+ break;
+
+ case 0x09:
+ stream << "UNLINK";
+ break;
+
+ case 0x0a:
+ util::stream_format(stream, "MOV RP, #$%02x", operand);
+ bytes = 2;
+ break;
+
+ case 0x0b:
+ stream << "NEGW A";
+ break;
+
+ case 0x0c:
+ stream << "LSLW A";
+ break;
+
+ case 0x0e:
+ stream << "ASRW A";
+ break;
+
+ case 0x0f:
+ stream << "LSRW A";
+ break;
+
+ case 0x10:
+ stream << "CMR ";
+ bytes = 1 + (disassemble(stream, pc + 1, opcodes, params) & LENGTHMASK);
+ break;
+
+ case 0x11:
+ stream << "NCC ";
+ bytes = 1 + (disassemble(stream, pc + 1, opcodes, params) & LENGTHMASK);
+ break;
+
+ case 0x12:
+ stream << "SUBDC A";
+ break;
+
+ case 0x14:
+ stream << "EXT";
+ break;
+
+ case 0x15:
+ stream << "ZEXT";
+ break;
+
+ case 0x16:
+ stream << "SWAP";
+ break;
+
+ case 0x17:
+ util::stream_format(stream, "ADDSP #$%02x", operand);
+ bytes = 2;
+ break;
+
+ case 0x18:
+ util::stream_format(stream, "ADDL A, #$%08x", opcodes.r16(pc+1) | (opcodes.r16(pc+3)<<16));
+ bytes = 5;
+ break;
+
+ case 0x19:
+ util::stream_format(stream, "SUBL A, #$%08x", opcodes.r16(pc+1) | (opcodes.r16(pc+3)<<16));
+ bytes = 5;
+ break;
+
+ case 0x1a:
+ util::stream_format(stream, "MOV ILM, #$%02x", operand);
+ bytes = 2;
+ break;
+
+ case 0x1c:
+ stream << "EXTW";
+ break;
+
+ case 0x1d:
+ stream << "ZEXTW";
+ break;
+
+ case 0x1e:
+ stream << "SWAPW";
+ break;
+
+ case 0x20:
+ util::stream_format(stream, "ADD A, $%02x", operand);
+ bytes = 2;
+ break;
+
+ case 0x21:
+ util::stream_format(stream, "SUB A, $%02x", operand);
+ bytes = 2;
+ break;
+
+ case 0x22:
+ stream << "ADDC A";
+ break;
+
+ case 0x23:
+ stream << "CMP A";
+ break;
+
+ case 0x24:
+ util::stream_format(stream, "AND CCR, #$%02x", operand);
+ bytes = 2;
+ break;
+
+ case 0x25:
+ util::stream_format(stream, "OR CCR, #$%02x", operand);
+ bytes = 2;
+ break;
+
+ case 0x26:
+ stream << "DIVU A";
+ break;
+
+ case 0x27:
+ stream << "MULU A";
+ break;
+
+ case 0x28:
+ stream << "ADDW A";
+ break;
+
+ case 0x29:
+ stream << "SUBW A";
+ break;
+
+ case 0x2a:
+ util::stream_format(stream, "CBNE A, #$%02X, $%04X", operand, (s8)opcodes.r8(pc+2) + (pc & 0xffff) + 3);
+ bytes = 3;
+ break;
+
+ case 0x2b:
+ stream << "CMPW A";
+ break;
+
+ case 0x2c:
+ stream << "ANDW A";
+ break;
+
+ case 0x2d:
+ stream << "ORW A";
+ break;
+
+ case 0x2e:
+ stream << "XORW A";
+ break;
+
+ case 0x2f:
+ stream << "MULUW A";
+ break;
+
+ case 0x30:
+ util::stream_format(stream, "ADD A, #$%02x", operand);
+ bytes = 2;
+ break;
+
+ case 0x31:
+ util::stream_format(stream, "SUB A, #$%02x", operand);
+ bytes = 2;
+ break;
+
+ case 0x32:
+ stream << "SUBC A";
+ break;
+
+ case 0x33:
+ util::stream_format(stream, "CMP A, #$%02x", operand);
+ bytes = 2;
+ break;
+
+ case 0x34:
+ util::stream_format(stream, "AND A, #$%02x", operand);
+ bytes = 2;
+ break;
+
+ case 0x35:
+ util::stream_format(stream, "OR A, #$%02x", operand);
+ bytes = 2;
+ break;
+
+ case 0x36:
+ util::stream_format(stream, "XOR A, #$%02x", operand);
+ bytes = 2;
+ break;
+
+ case 0x37:
+ stream << "NOT A";
+ break;
+
+ case 0x38:
+ util::stream_format(stream, "ADDW A, #$%04x", opcodes.r16(pc+1));
+ bytes = 3;
+ break;
+
+ case 0x39:
+ util::stream_format(stream, "SUBW A, #$%04x", opcodes.r16(pc+1));
+ bytes = 3;
+ break;
+
+ case 0x3a:
+ util::stream_format(stream, "CWBNE A, #$%04X, $%04X", opcodes.r16(pc+1), (s8)opcodes.r8(pc+3) + (pc & 0xffff) + 4);
+ bytes = 4;
+ break;
+
+ case 0x3b:
+ util::stream_format(stream, "CMPW A, #$%04x", opcodes.r16(pc+1));
+ bytes = 3;
+ break;
+
+ case 0x3f:
+ stream << "NOTW A";
+ break;
+
+ case 0x42:
+ util::stream_format(stream, "MOV A, #$%02x", operand);
+ bytes = 2;
+ break;
+
+ case 0x46:
+ util::stream_format(stream, "MOVW A, SP");
+ break;
+
+ case 0x47:
+ util::stream_format(stream, "MOVW SP, A");
+ break;
+
+ case 0x4a:
+ util::stream_format(stream, "MOVW A, #$%04x", opcodes.r16(pc+1));
+ bytes = 3;
+ break;
+
+ case 0x4b:
+ util::stream_format(stream, "MOVL A, #$%04x", opcodes.r32(pc+1));
+ bytes = 5;
+ break;
+
+ case 0x4c:
+ stream << "PUSHW A";
+ break;
+
+ case 0x4d:
+ stream << "PUSHW AH";
+ break;
+
+ case 0x4e:
+ stream << "PUSHW PS";
+ break;
+
+ case 0x4f:
+ util::stream_format(stream, "PUSHW ");
+ for (int i = 0; i < 8; i++)
+ {
+ if (operand & (1<<i))
+ {
+ util::stream_format(stream, "RW%d, ", i);
+ }
+ }
+ bytes = 2;
+ break;
+
+ case 0x52:
+ util::stream_format(stream, "MOV A, $%04x", opcodes.r16(pc+1));
+ bytes = 3;
+ break;
+
+ case 0x53:
+ util::stream_format(stream, "MOV $%04x, A", opcodes.r16(pc+1));
+ bytes = 3;
+ break;
+
+ case 0x57:
+ util::stream_format(stream, "MOVX A, $%04x", opcodes.r16(pc+1));
+ bytes = 3;
+ break;
+
+ case 0x5a:
+ util::stream_format(stream, "MOVW A, $%04x", opcodes.r16(pc+1));
+ bytes = 3;
+ break;
+
+ case 0x5b:
+ util::stream_format(stream, "MOVW $%04x, A", opcodes.r16(pc+1));
+ bytes = 3;
+ break;
+
+ case 0x5c:
+ stream << "POPW A";
+ break;
+
+ case 0x5d:
+ stream << "POPW AH";
+ break;
+
+ case 0x5e:
+ stream << "POPW PS";
+ break;
+
+ case 0x5f:
+ util::stream_format(stream, "POPW ");
+ for (int i = 0; i < 8; i++)
+ {
+ if (operand & (1<<i))
+ {
+ util::stream_format(stream, "RW%d, ", i);
+ }
+ }
+ bytes = 2;
+ break;
+
+ case 0x60: branch_helper(stream, "BRA ", (pc & 0xffff)+2, (s8)operand); bytes = 2; break;
+
+ case 0x61:
+ stream << "JMP @A";
+ break;
+
+ case 0x62:
+ util::stream_format(stream, "JMP #$%04x", opcodes.r16(pc+1));
+ bytes = 3;
+ break;
+
+ case 0x63:
+ util::stream_format(stream, "JMPP #$%06x", opcodes.r8(pc+3)<<16|opcodes.r8(pc+2)<<8|opcodes.r8(pc+1));
+ bytes = 4;
+ break;
+
+ case 0x64:
+ util::stream_format(stream, "CALL #$%04x", opcodes.r16(pc+1));
+ bytes = 3;
+ break;
+
+ case 0x65:
+ util::stream_format(stream, "CALLP #$%06x", opcodes.r8(pc+3)<<16|opcodes.r8(pc+2)<<8|opcodes.r8(pc+1));
+ bytes = 4;
+ break;
+
+ case 0x66:
+ util::stream_format(stream, "RETP");
+ break;
+
+ case 0x67:
+ stream << "RET";
+ break;
+
+ case 0x6b:
+ stream << "RETI";
+ break;
+
+ case 0x6e: // string instructions
+ switch (operand)
+ {
+ case 0x09:
+ util::stream_format(stream, "MOVSI ADB, DTB");
+ bytes = 2;
+ break;
+
+ default:
+ stream << "UNK string op";
+ break;
+ }
+ break;
+
+ case 0x6f: // 2-byte instructions
+ switch (operand)
+ {
+ case 0x00: stream << "MOV A, DTB"; bytes = 2; break;
+ case 0x01: stream << "MOV A, ADB"; bytes = 2; break;
+ case 0x02: stream << "MOV A, SSB"; bytes = 2; break;
+ case 0x03: stream << "MOV A, USB"; bytes = 2; break;
+ case 0x04: stream << "MOV A, DPR"; bytes = 2; break;
+
+ case 0x05:
+ util::stream_format(stream, "MOV A, @A");
+ bytes = 2;
+ break;
+
+ case 0x06: stream << "MOV A, PCB"; bytes = 2; break;
+ case 0x07: stream << "ROLC A"; bytes = 2; break;
+
+ case 0x0c:
+ util::stream_format(stream, "LSLW A, R0");
+ bytes = 2;
+ break;
+
+ case 0x0d:
+ util::stream_format(stream, "MOVW A, @A");
+ bytes = 2;
+ break;
+
+ case 0x0e:
+ util::stream_format(stream, "ASRW A, R0");
+ bytes = 2;
+ break;
+
+ case 0x0f:
+ util::stream_format(stream, "LSRW A, R0");
+ bytes = 2;
+ break;
+
+ case 0x10:
+ util::stream_format(stream, "MOV DTB, A");
+ bytes = 2;
+ break;
+
+ case 0x11:
+ util::stream_format(stream, "MOV ADB, A");
+ bytes = 2;
+ break;
+
+ case 0x12:
+ util::stream_format(stream, "MOV SSB, A");
+ bytes = 2;
+ break;
+
+ case 0x13:
+ util::stream_format(stream, "MOV USB, A");
+ bytes = 2;
+ break;
+
+ case 0x14:
+ util::stream_format(stream, "MOV DPR, A");
+ bytes = 2;
+ break;
+
+ case 0x1c:
+ util::stream_format(stream, "LSLL A, R0");
+ bytes = 2;
+ break;
+
+ case 0x1d:
+ util::stream_format(stream, "MOVW @AL, AH");
+ bytes = 2;
+ break;
+
+ case 0x1e:
+ util::stream_format(stream, "ASRL A, R0");
+ bytes = 2;
+ break;
+
+ case 0x1f:
+ util::stream_format(stream, "LSRL A, R0");
+ bytes = 2;
+ break;
+
+ case 0x2c:
+ util::stream_format(stream, "LSL A, R0");
+ bytes = 2;
+ break;
+
+ case 0x2d:
+ util::stream_format(stream, "NRML A, R0");
+ bytes = 2;
+ break;
+
+ case 0x2e:
+ util::stream_format(stream, "ASR A, R0");
+ bytes = 2;
+ break;
+
+ case 0x2f:
+ util::stream_format(stream, "LSR A, R0");
+ bytes = 2;
+ break;
+
+ case 0x30: case 0x32: case 0x34: case 0x36:
+ util::stream_format(stream, "MOV @RW%d + #$%02x, A", ((operand>>1) & 0x3), opcodes.r8(pc+2));
+ bytes = 3;
+ break;
+
+ case 0x38: case 0x3a: case 0x3c: case 0x3e:
+ util::stream_format(stream, "MOVW @RW%d + #$%02x, A", ((operand>>1) & 0x3), opcodes.r8(pc+2));
+ bytes = 3;
+ break;
+
+ case 0x40: case 0x42: case 0x44: case 0x46:
+ util::stream_format(stream, "MOV A, @RW%d + #$%02x", ((operand>>1) & 0x3), opcodes.r8(pc+2));
+ bytes = 3;
+ break;
+
+ case 0x48: case 0x4a: case 0x4c: case 0x4e:
+ util::stream_format(stream, "MOVW A, @RW%d + #$%02x", ((operand>>1) & 0x3), opcodes.r8(pc+2));
+ bytes = 3;
+ break;
+
+ default:
+ stream << "UNK 2-byte 6F";
+ break;
+ }
+ break;
+
+ case 0x70: // ea-type instructions
+ switch ((operand >> 4) & 0xf)
+ {
+ case 0x0:
+ switch (operand)
+ {
+ case 0: case 1: case 2: case 3: case 4: case 5: case 6: case 7:
+ util::stream_format(stream, "ADDL A, RL%d", (operand & 0x6)>>1);
+ bytes = 2;
+ break;
+ }
+ break;
+
+ case 0x1: bytes = ea_form1_helper(stream, "ADDL ", pc, operand, opcodes.r16(pc+2), true); break;
+ case 0x3: bytes = ea_form1_helper(stream, "SUBL ", pc, operand, opcodes.r16(pc+2), true); break;
+ case 0x7: bytes = ea_form1_helper(stream, "CMPL ", pc, operand, opcodes.r16(pc+2), true); break;
+ case 0x9: bytes = ea_form1_helper(stream, "ANDL ", pc, operand, opcodes.r16(pc+2), true); break;
+ case 0xb: bytes = ea_form1_helper(stream, "ORL ", pc, operand, opcodes.r16(pc+2), true); break;
+ case 0xd: bytes = ea_form1_helper(stream, "XORL ", pc, operand, opcodes.r16(pc+2), true); break;
+
+ default:
+ stream << "UNK ea-type 70";
+ break;
+ }
+ break;
+
+ case 0x71: // ea-type instructions
+ switch (operand)
+ {
+ case 0x30: case 0x31: case 0x32: case 0x33: case 0x34: case 0x35: case 0x36: case 0x37:
+ case 0x38: case 0x39: case 0x3a: case 0x3b: case 0x3c: case 0x3d: case 0x3e: case 0x3f:
+ bytes = ea_form1_helper_noA(stream, "CALLP @", pc, operand, opcodes.r16(pc+2));
+ break;
+
+ case 0x50: case 0x51: case 0x52: case 0x53: case 0x54: case 0x55: case 0x56: case 0x57:
+ util::stream_format(stream, "INCL @RW%d + #$%02x", (operand & 0x7), opcodes.r8(pc+2));
+ bytes = 3;
+ break;
+
+ case 0x58: case 0x59: case 0x5a: case 0x5b:
+ util::stream_format(stream, "INCL @RW%d + #$%04x", (operand & 0x7), opcodes.r16(pc+2));
+ bytes = 4;
+ break;
+
+ case 0x5c: case 0x5d:
+ util::stream_format(stream, "INCL @RW%d + RW7", (operand & 0x1));
+ bytes = 2;
+ break;
+
+ case 0x5e:
+ util::stream_format(stream, "INCL @PC + #$04x ($%04X)", (operand & 0x1), opcodes.r16(pc+2), (s16)opcodes.r16(pc+2) + (pc & 0xffff));
+ bytes = 4;
+ break;
+
+ case 0x5f:
+ util::stream_format(stream, "INCL $%04x", opcodes.r16(pc+2));
+ bytes = 4;
+ break;
+
+ case 0x80: case 0x81: case 0x82: case 0x83: case 0x84: case 0x85: case 0x86: case 0x87:
+ util::stream_format(stream, "MOVL A, RL%d", (operand & 0x6)>>1);
+ bytes = 2;
+ break;
+
+ case 0x88: case 0x89: case 0x8a: case 0x8b:
+ util::stream_format(stream, "MOVL A, @RW%d", (operand & 0x3));
+ bytes = 2;
+ break;
+
+ case 0x8c: case 0x8d: case 0x8e: case 0x8f:
+ util::stream_format(stream, "MOVL A, @RW%d+", (operand & 0x3));
+ bytes = 2;
+ break;
+
+ case 0x90: case 0x91: case 0x92: case 0x93: case 0x94: case 0x95: case 0x96: case 0x97:
+ util::stream_format(stream, "MOVL A, @RW%d + #$%02x", (operand & 0x7), opcodes.r8(pc+2));
+ bytes = 3;
+ break;
+
+ case 0x98: case 0x99: case 0x9a: case 0x9b:
+ util::stream_format(stream, "MOVL A, @RW%d + #$%04x", (operand & 0x7), opcodes.r16(pc+2));
+ bytes = 4;
+ break;
+
+ case 0x9c: case 0x9d:
+ util::stream_format(stream, "MOVL A, @RW%d + RW7", (operand & 0x1));
+ bytes = 2;
+ break;
+
+ case 0x9e:
+ util::stream_format(stream, "MOVL A, @PC + #$04x ($%04X)", (operand & 0x1), opcodes.r16(pc+2), (s16)opcodes.r16(pc+2) + (pc & 0xffff));
+ bytes = 4;
+ break;
+
+ case 0x9f:
+ util::stream_format(stream, "MOVL A, $%04x", opcodes.r16(pc+2));
+ bytes = 4;
+ break;
+
+ case 0xa0: case 0xa1: case 0xa2: case 0xa3: case 0xa4: case 0xa5: case 0xa6: case 0xa7:
+ util::stream_format(stream, "MOVL RL%d, A", (operand & 0x6)>>1);
+ bytes = 2;
+ break;
+
+ case 0xa8: case 0xa9: case 0xaa: case 0xab:
+ util::stream_format(stream, "MOVL @RW%d, A", (operand & 0x3));
+ bytes = 2;
+ break;
+
+ case 0xac: case 0xad: case 0xae: case 0xaf:
+ util::stream_format(stream, "MOVL @RW%d+, A", (operand & 0x3));
+ bytes = 2;
+ break;
+
+ case 0xb0: case 0xb1: case 0xb2: case 0xb3: case 0xb4: case 0xb5: case 0xb6: case 0xb7:
+ util::stream_format(stream, "MOVL @RW%d + #$%02x, A", (operand & 0x7), opcodes.r8(pc+2));
+ bytes = 3;
+ break;
+
+ case 0xb8: case 0xb9: case 0xba: case 0xbb: case 0xbc: case 0xbd: case 0xbe: case 0xbf:
+ util::stream_format(stream, "MOV @RW%d + #$%04x, A", (operand & 0x7), opcodes.r16(pc+2));
+ bytes = 4;
+ break;
+
+ case 0xc8: case 0xc9: case 0xca: case 0xcb:
+ util::stream_format(stream, "MOV @RW%d, #$%02x", (operand & 0x7), opcodes.r8(pc+2));
+ bytes = 3;
+ break;
+
+ default:
+ stream << "UNK ea-type 71";
+ break;
+ }
+ break;
+
+ case 0x72: // ea-type instructions
+ switch (operand)
+ {
+ case 0x90: case 0x91: case 0x92: case 0x93: case 0x94: case 0x95: case 0x96: case 0x97:
+ util::stream_format(stream, "MOVW A, @RW%d + #$%02x", (operand & 0x7), opcodes.r8(pc+2));
+ bytes = 3;
+ break;
+
+ case 0x98: case 0x99: case 0x9a: case 0x9b:
+ util::stream_format(stream, "MOVW A, @RW%d + #$%04x", (operand & 0x7), opcodes.r16(pc+2));
+ bytes = 4;
+ break;
+
+ case 0x9c: case 0x9d:
+ util::stream_format(stream, "MOVW A, @RW%d + RW7", (operand & 0x1));
+ bytes = 2;
+ break;
+
+ case 0x9e:
+ util::stream_format(stream, "MOVW A, @PC + #$04x ($%04X)", (operand & 0x1), opcodes.r16(pc+2), (s16)opcodes.r16(pc+2) + (pc & 0xffff));
+ bytes = 4;
+ break;
+
+ case 0x9f:
+ util::stream_format(stream, "MOVW A, $%04x", (operand & 0x1), opcodes.r16(pc+2));
+ bytes = 4;
+ break;
+
+ case 0xb0: case 0xb1: case 0xb2: case 0xb3: case 0xb4: case 0xb5: case 0xb6: case 0xb7:
+ util::stream_format(stream, "MOV @RW%d + #$%02x, A", (operand & 0x7), opcodes.r8(pc+2));
+ bytes = 3;
+ break;
+
+ case 0xb8: case 0xb9: case 0xba: case 0xbb: case 0xbc: case 0xbd: case 0xbe: case 0xbf:
+ util::stream_format(stream, "MOV @RW%d + #$%04x, A", (operand & 0x7), opcodes.r16(pc+2));
+ bytes = 4;
+ break;
+
+ default:
+ stream << "UNK ea-type 72";
+ break;
+ }
+ break;
+
+ case 0x73: // ea-type instructions
+ switch (operand)
+ {
+ case 0x50: case 0x51: case 0x52: case 0x53: case 0x54: case 0x55: case 0x56: case 0x57:
+ util::stream_format(stream, "INCW @RW%d + #$%02x, A", (operand & 0x7), opcodes.r8(pc+2));
+ bytes = 3;
+ break;
+
+ case 0x58: case 0x59: case 0x5a: case 0x5b:
+ util::stream_format(stream, "INCW @RW%d + #$%04x, A", (operand & 0x3), opcodes.r16(pc+2));
+ bytes = 4;
+ break;
+
+ case 0x5c: case 0x5d:
+ util::stream_format(stream, "INCW A, @RW%d + RW7", (operand & 0x1));
+ bytes = 2;
+ break;
+
+ case 0x5e:
+ util::stream_format(stream, "INCW A, @PC + #$04x ($%04X)", (operand & 0x1), opcodes.r16(pc+2), (s16)opcodes.r16(pc+2) + (pc & 0xffff));
+ bytes = 4;
+ break;
+
+ case 0x5f:
+ util::stream_format(stream, "INCW A, $%04x", (operand & 0x1), opcodes.r16(pc+2));
+ bytes = 4;
+ break;
+
+ case 0x70: case 0x71: case 0x72: case 0x73: case 0x74: case 0x75: case 0x76: case 0x77:
+ util::stream_format(stream, "DECW @RW%d + #$%02x, A", (operand & 0x7), opcodes.r8(pc+2));
+ bytes = 3;
+ break;
+
+ case 0x78: case 0x79: case 0x7a: case 0x7b:
+ util::stream_format(stream, "DECW @RW%d + #$%04x, A", (operand & 0x3), opcodes.r16(pc+2));
+ bytes = 4;
+ break;
+
+ case 0x7c: case 0x7d:
+ util::stream_format(stream, "DECW A, @RW%d + RW7", (operand & 0x1));
+ bytes = 2;
+ break;
+
+ case 0x7e:
+ util::stream_format(stream, "DECW A, @PC + #$04x ($%04X)", (operand & 0x1), opcodes.r16(pc+2), (s16)opcodes.r16(pc+2) + (pc & 0xffff));
+ bytes = 4;
+ break;
+
+ case 0x7f:
+ util::stream_format(stream, "DECW A, $%04x", (operand & 0x1), opcodes.r16(pc+2));
+ bytes = 4;
+ break;
+
+ case 0x90: case 0x91: case 0x92: case 0x93: case 0x94: case 0x95: case 0x96: case 0x97:
+ util::stream_format(stream, "MOVW @RW%d + #$%02x, A", (operand & 0x7), opcodes.r8(pc+2));
+ bytes = 3;
+ break;
+
+ case 0x98: case 0x99: case 0x9a: case 0x9b: case 0x9c: case 0x9d: case 0x9e: case 0x9f:
+ util::stream_format(stream, "MOVW @RW%d + #$%04x, A", (operand & 0x7), opcodes.r16(pc+2));
+ bytes = 4;
+ break;
+
+ case 0xb0: case 0xb1: case 0xb2: case 0xb3: case 0xb4: case 0xb5: case 0xb6: case 0xb7:
+ case 0xb8: case 0xb9: case 0xba: case 0xbb: case 0xbc: case 0xbd: case 0xbe: case 0xbf:
+ bytes = ea_form1_helper(stream, "MOVW ", pc, operand, opcodes.r16(pc+2), false);
+ break;
+
+ case 0xd0: case 0xd1: case 0xd2: case 0xd3: case 0xd4: case 0xd5: case 0xd6: case 0xd7:
+ util::stream_format(stream, "MOVW @RW%d + #$%02x, $%04x", (operand & 0x7), opcodes.r8(pc+2), opcodes.r16(pc+3));
+ bytes = 5;
+ break;
+
+ case 0xd8: case 0xd9: case 0xda: case 0xdb:
+ util::stream_format(stream, "MOVW @RW%d + #$%04x, $%04x", (operand & 0x7), opcodes.r16(pc+2), opcodes.r16(pc+4));
+ bytes = 6;
+ break;
+
+ case 0xdc: case 0xdd:
+ util::stream_format(stream, "MOVW @RW%d + RW7, $%04x", (operand & 0x1), opcodes.r16(pc+2));
+ bytes = 4;
+ break;
+
+ case 0xde:
+ util::stream_format(stream, "MOVW @PC + #$04x, $%04x", (operand & 0x1), opcodes.r16(pc+2), opcodes.r16(pc+4));
+ bytes = 6;
+ break;
+
+ case 0xdf:
+ util::stream_format(stream, "MOVW $%04x, #$%04x", opcodes.r16(pc+2), opcodes.r16(pc+4));
+ bytes = 6;
+ break;
+
+ default:
+ stream << "UNK ea-type 73";
+ break;
+ }
+ break;
+
+ case 0x74: // ea-type instructions
+ switch (operand)
+ {
+ case 0x70: case 0x71: case 0x72: case 0x73: case 0x74: case 0x75: case 0x76: case 0x57:
+ util::stream_format(stream, "CMP A, @RW%d + #$%02x", (operand & 0x7), opcodes.r8(pc+2));
+ bytes = 3;
+ break;
+
+ case 0x78: case 0x79: case 0x7a: case 0x7b:
+ util::stream_format(stream, "CMP A, @RW%d + #$%04x", (operand & 0x7), opcodes.r16(pc+2));
+ bytes = 4;
+ break;
+
+ case 0x7c: case 0x7d:
+ util::stream_format(stream, "CMP A, @RW%d + RW7", (operand & 0x1));
+ bytes = 2;
+ break;
+
+ case 0x7e:
+ util::stream_format(stream, "CMP A, @PC + #$04x ($%04X)", (operand & 0x1), opcodes.r16(pc+2), (s16)opcodes.r16(pc+2) + (pc & 0xffff));
+ bytes = 4;
+ break;
+
+ case 0x7f:
+ util::stream_format(stream, "CMP A, $%04x", opcodes.r16(pc+2));
+ bytes = 4;
+ break;
+
+ default:
+ stream << "UNK ea-type 74";
+ break;
+ }
+ break;
+
+ case 0x75: // ea-type instructions
+ switch (operand)
+ {
+ default:
+ stream << "UNK ea-type 75";
+ break;
+ }
+ break;
+
+ case 0x76: // ea-type instructions
+ switch (operand)
+ {
+ case 0x00: case 0x01: case 0x02: case 0x03: case 0x04: case 0x05: case 0x06: case 0x07:
+ util::stream_format(stream, "ADDW A, RW%d", (operand & 0x7));
+ bytes = 2;
+ break;
+
+ case 0x08: case 0x09: case 0x0a: case 0x0b:
+ util::stream_format(stream, "ADDW A, @RW%d", (operand & 0x3));
+ bytes = 2;
+ break;
+
+ case 0x0c: case 0x0d: case 0x0e: case 0x0f:
+ util::stream_format(stream, "ADDW A, @RW%d+", (operand & 0x3));
+ bytes = 2;
+ break;
+
+ case 0x10: case 0x11: case 0x12: case 0x13: case 0x14: case 0x15: case 0x16: case 0x17:
+ util::stream_format(stream, "ADDW A, @RW%d + #$%02x", (operand & 0x7), opcodes.r8(pc+2));
+ bytes = 3;
+ break;
+
+ case 0x18: case 0x19: case 0x1a: case 0x1b:
+ util::stream_format(stream, "ADDW A, @RW%d + #$%04x", (operand & 0x7), opcodes.r16(pc+2));
+ bytes = 4;
+ break;
+
+ case 0x1c: case 0x1d:
+ util::stream_format(stream, "ADDW A, @RW%d + RW7", (operand & 0x1));
+ bytes = 2;
+ break;
+
+ case 0x1e:
+ util::stream_format(stream, "ADDW A, @PC + #$04x ($%04X)", (operand & 0x1), opcodes.r16(pc+2), (s16)opcodes.r16(pc+2) + (pc & 0xffff));
+ bytes = 4;
+ break;
+
+ case 0x1f:
+ util::stream_format(stream, "ADDW $%04x", opcodes.r16(pc+2));
+ bytes = 4;
+ break;
+
+ case 0x30: case 0x31: case 0x32: case 0x33: case 0x34: case 0x35: case 0x36: case 0x37:
+ util::stream_format(stream, "SUBW A, @RW%d + #$%02x", (operand & 0x7), opcodes.r8(pc+2));
+ bytes = 3;
+ break;
+
+ case 0x38: case 0x39: case 0x3a: case 0x3b:
+ util::stream_format(stream, "SUBW A, @RW%d + #$%04x", (operand & 0x7), opcodes.r16(pc+2));
+ bytes = 4;
+ break;
+
+ case 0x3c: case 0x3d:
+ util::stream_format(stream, "SUBW A, @RW%d + RW7", (operand & 0x1));
+ bytes = 2;
+ break;
+
+ case 0x3e:
+ util::stream_format(stream, "SUBW A, @PC + #$04x ($%04X)", (operand & 0x1), opcodes.r16(pc+2), (s16)opcodes.r16(pc+2) + (pc & 0xffff));
+ bytes = 4;
+ break;
+
+ case 0x3f:
+ util::stream_format(stream, "SUBW $%04x", opcodes.r16(pc+2));
+ bytes = 4;
+ break;
+
+ case 0x60: case 0x61: case 0x62: case 0x63: case 0x64: case 0x65: case 0x66: case 0x67:
+ util::stream_format(stream, "CMPW A, RW%d", (operand & 0x7));
+ bytes = 2;
+ break;
+
+ case 0x68: case 0x69: case 0x6a: case 0x6b:
+ util::stream_format(stream, "CMPW A, @RW%d", (operand & 0x3));
+ bytes = 2;
+ break;
+
+ case 0x6c: case 0x6d: case 0x6e: case 0x6f:
+ util::stream_format(stream, "CMPW A, @RW%d+", (operand & 0x3));
+ bytes = 2;
+ break;
+
+ case 0x70: case 0x71: case 0x72: case 0x73: case 0x74: case 0x75: case 0x76: case 0x57:
+ util::stream_format(stream, "CMPW A, @RW%d + #$%02x", (operand & 0x7), opcodes.r8(pc+2));
+ bytes = 3;
+ break;
+
+ case 0x78: case 0x79: case 0x7a: case 0x7b:
+ util::stream_format(stream, "CMPW A, @RW%d + #$%04x", (operand & 0x7), opcodes.r16(pc+2));
+ bytes = 4;
+ break;
+
+ case 0x7c: case 0x7d:
+ util::stream_format(stream, "CMPW A, @RW%d + RW7", (operand & 0x1));
+ bytes = 2;
+ break;
+
+ case 0x7e:
+ util::stream_format(stream, "CMPW A, @PC + #$04x ($%04X)", (operand & 0x1), opcodes.r16(pc+2), (s16)opcodes.r16(pc+2) + (pc & 0xffff));
+ bytes = 4;
+ break;
+
+ case 0x7f:
+ util::stream_format(stream, "CMPW $%04x", opcodes.r16(pc+2));
+ bytes = 4;
+ break;
+
+ default:
+ stream << "UNK ea-type 76";
+ break;
+ }
+ break;
+
+ case 0x77: // ea-type instructions
+ switch (operand)
+ {
+ default:
+ stream << "UNK ea-type 77";
+ break;
+ }
+ break;
+
+ case 0x78: // ea-type instructions
+ switch (operand)
+ {
+ case 0x20: case 0x21: case 0x22: case 0x23: case 0x24: case 0x25: case 0x26: case 0x27:
+ util::stream_format(stream, "MULUW A, RW%d", (operand & 0x7));
+ bytes = 2;
+ break;
+
+ case 0x28: case 0x29: case 0x2a: case 0x2b:
+ util::stream_format(stream, "MULUW A, @RW%d", (operand & 0x3));
+ bytes = 2;
+ break;
+
+ case 0x2c: case 0x2d: case 0x2e: case 0x2f:
+ util::stream_format(stream, "MULUW A, @RW%d+", (operand & 0x3));
+ bytes = 2;
+ break;
+
+ default:
+ stream << "UNK ea-type 78";
+ break;
+ }
+ break;
+
+ case 0x80: case 0x81: case 0x82: case 0x83: case 0x84: case 0x85: case 0x86: case 0x87:
+ util::stream_format(stream, "MOV A, R%d", (opcode & 0x7));
+ break;
+
+ case 0x88: case 0x89: case 0x8a: case 0x8b: case 0x8c: case 0x8d: case 0x8e: case 0x8f:
+ util::stream_format(stream, "MOVW A, RW%d", (opcode & 0x7));
+ break;
+
+ case 0x90: case 0x91: case 0x92: case 0x93: case 0x94: case 0x95: case 0x96: case 0x97:
+ util::stream_format(stream, "MOV R%d, A", (opcode & 0x7));
+ break;
+
+ case 0x98: case 0x99: case 0x9a: case 0x9b: case 0x9c: case 0x9d: case 0x9e: case 0x9f:
+ util::stream_format(stream, "MOVW RW%d, A", (opcode & 0x7));
+ break;
+
+ case 0xa0: case 0xa1: case 0xa2: case 0xa3: case 0xa4: case 0xa5: case 0xa6: case 0xa7:
+ util::stream_format(stream, "MOVW RW%d, #$%02x", (opcode & 0x7), operand);
+ bytes = 2;
+ break;
+
+ case 0xa8: case 0xa9: case 0xaa: case 0xab: case 0xac: case 0xad: case 0xae: case 0xaf:
+ util::stream_format(stream, "MOVW RW%d, #$%04x", (opcode & 0x7), opcodes.r16(pc+1));
+ bytes = 3;
+ break;
+
+ case 0xb0: case 0xb1: case 0xb2: case 0xb3: case 0xb4: case 0xb5: case 0xb6: case 0xb7:
+ util::stream_format(stream, "MOVX A, R%d", (opcode & 0x7));
+ break;
+
+ case 0xb8: case 0xb9: case 0xba: case 0xbb: case 0xbc: case 0xbd: case 0xbe: case 0xbf:
+ util::stream_format(stream, "MOVW A, @R%d+%02x", (opcode & 0x7), operand);
+ bytes = 2;
+ break;
+
+ case 0xc0: case 0xc1: case 0xc2: case 0xc3: case 0xc4: case 0xc5: case 0xc6: case 0xc7:
+ util::stream_format(stream, "MOVX A, @R%d+%02x", (opcode & 0x7), operand);
+ bytes = 2;
+ break;
+
+ case 0xc8: case 0xc9: case 0xca: case 0xcb: case 0xcc: case 0xcd: case 0xce: case 0xcf:
+ util::stream_format(stream, "MOVW @R%d+%02x, A", (opcode & 0x7), operand);
+ bytes = 2;
+ break;
+
+ case 0xd0: case 0xd1: case 0xd2: case 0xd3: case 0xd4: case 0xd5: case 0xd6: case 0xd7:
+ case 0xd8: case 0xd9: case 0xda: case 0xdb: case 0xdc: case 0xdd: case 0xde: case 0xdf:
+ util::stream_format(stream, "MOVN A, #$%01x", (opcode & 0xf));
+ break;
+
+ case 0xe0: case 0xe1: case 0xe2: case 0xe3: case 0xe4: case 0xe5: case 0xe6: case 0xe7:
+ case 0xe8: case 0xe9: case 0xea: case 0xeb: case 0xec: case 0xed: case 0xee: case 0xef:
+ util::stream_format(stream, "CALL #$%01x", (opcode & 0xf));
+ break;
+
+ case 0xf0: branch_helper(stream, "BEQ ", (pc & 0xffff)+2, (s8)operand); bytes = 2; break;
+ case 0xf1: branch_helper(stream, "BNE ", (pc & 0xffff)+2, (s8)operand); bytes = 2; break;
+ case 0xf2: branch_helper(stream, "BC ", (pc & 0xffff)+2, (s8)operand); bytes = 2; break;
+ case 0xf3: branch_helper(stream, "BNC ", (pc & 0xffff)+2, (s8)operand); bytes = 2; break;
+ case 0xf4: branch_helper(stream, "BN ", (pc & 0xffff)+2, (s8)operand); bytes = 2; break;
+ case 0xf5: branch_helper(stream, "BP ", (pc & 0xffff)+2, (s8)operand); bytes = 2; break;
+ case 0xf6: branch_helper(stream, "BV ", (pc & 0xffff)+2, (s8)operand); bytes = 2; break;
+ case 0xf7: branch_helper(stream, "BNV ", (pc & 0xffff)+2, (s8)operand); bytes = 2; break;
+ case 0xf8: branch_helper(stream, "BT ", (pc & 0xffff)+2, (s8)operand); bytes = 2; break;
+ case 0xf9: branch_helper(stream, "BNT ", (pc & 0xffff)+2, (s8)operand); bytes = 2; break;
+ case 0xfa: branch_helper(stream, "BLT ", (pc & 0xffff)+2, (s8)operand); bytes = 2; break;
+ case 0xfb: branch_helper(stream, "BGE ", (pc & 0xffff)+2, (s8)operand); bytes = 2; break;
+ case 0xfc: branch_helper(stream, "BLE ", (pc & 0xffff)+2, (s8)operand); bytes = 2; break;
+ case 0xfd: branch_helper(stream, "BGT ", (pc & 0xffff)+2, (s8)operand); bytes = 2; break;
+ case 0xfe: branch_helper(stream, "BLS ", (pc & 0xffff)+2, (s8)operand); bytes = 2; break;
+ case 0xff: branch_helper(stream, "BHI ", (pc & 0xffff)+2, (s8)operand); bytes = 2; break;
+
+ default:
+ stream << "???";
+ break;
+
+ }
+
+ return bytes | SUPPORTED;
+}