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f2mc16: more diassembler opcodes (nw)

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This commit is contained in:
arbee 2019-08-29 17:56:40 -04:00
parent 492e4b9467
commit 20a5ea109f
1 changed files with 127 additions and 1 deletions
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128
src/devices/cpu/f2mc16/f2mc16dasm.cpp
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@ -502,6 +502,11 @@ offs_t f2mc16_disassembler::disassemble(std::ostream &stream, offs_t pc, const d
bytes = 3;
break;
case 0x55:
util::stream_format(stream, "MOVX A, $%02x", opcodes.r8(pc+1));
bytes = 2;
break;
case 0x56:
util::stream_format(stream, "MOVW $%02x, #$%04x", opcodes.r8(pc+1), opcodes.r16(pc+2));
bytes = 4;
@ -512,6 +517,11 @@ offs_t f2mc16_disassembler::disassemble(std::ostream &stream, offs_t pc, const d
bytes = 3;
break;
case 0x58:
util::stream_format(stream, "MOVW A, $%02x", opcodes.r8(pc+1));
bytes = 2;
break;
case 0x59:
util::stream_format(stream, "MOVW $%02x, A", opcodes.r8(pc+1));
bytes = 2;
@ -585,6 +595,21 @@ offs_t f2mc16_disassembler::disassemble(std::ostream &stream, offs_t pc, const d
stream << "RET";
break;
case 0x68:
util::stream_format(stream, "INT #$%02x", opcodes.r8(pc+1));
bytes = 2;
break;
case 0x69:
util::stream_format(stream, "INT $%04x", opcodes.r16(pc+1));
bytes = 3;
break;
case 0x6a:
util::stream_format(stream, "INTP $%06x", opcodes.r8(pc+3)<<16|opcodes.r8(pc+2)<<8|opcodes.r8(pc+1));
bytes = 4;
break;
case 0x6b:
stream << "RETI";
break;
@ -622,6 +647,11 @@ offs_t f2mc16_disassembler::disassemble(std::ostream &stream, offs_t pc, const d
bytes = 2;
break;
case 0x80: case 0x81: case 0x82: case 0x83: case 0x84: case 0x85: case 0x86: case 0x87:
util::stream_format(stream, "BBC $%02x:%d, $%x", opcodes.r8(pc+2), operand & 7, pc+4+(s8)opcodes.r8(pc+3));
bytes = 4;
break;
case 0x88: case 0x89: case 0x8a: case 0x8b: case 0x8c: case 0x8d: case 0x8e: case 0x8f:
util::stream_format(stream, "BBC dir(%02x):%d, $%x", opcodes.r8(pc+2), operand & 7, pc+4+(s8)opcodes.r8(pc+3));
bytes = 4;
@ -647,6 +677,16 @@ offs_t f2mc16_disassembler::disassemble(std::ostream &stream, offs_t pc, const d
bytes = 5;
break;
case 0xc0: case 0xc1: case 0xc2: case 0xc3: case 0xc4: case 0xc5: case 0xc6: case 0xc7:
util::stream_format(stream, "WBTS $%02x:%d", opcodes.r8(pc+2), operand & 7);
bytes = 3;
break;
case 0xe0: case 0xe1: case 0xe2: case 0xe3: case 0xe4: case 0xe5: case 0xe6: case 0xe7:
util::stream_format(stream, "WBTC $%02x:%d", opcodes.r8(pc+2), operand & 7);
bytes = 3;
break;
default:
stream << "UNK 6C bit op";
break;
@ -995,6 +1035,16 @@ offs_t f2mc16_disassembler::disassemble(std::ostream &stream, offs_t pc, const d
bytes = 2;
break;
case 0x48: case 0x49: case 0x4a: case 0x4b:
util::stream_format(stream, "INC @RW%d", (operand & 0x3));
bytes = 2;
break;
case 0x4c: case 0x4d: case 0x4e: case 0x4f:
util::stream_format(stream, "INC @RW%d+", (operand & 0x3));
bytes = 2;
break;
case 0x50: case 0x51: case 0x52: case 0x53: case 0x54: case 0x55: case 0x56: case 0x57:
util::stream_format(stream, "INC @RW%d + #$%02x", (operand & 0x7), opcodes.r8(pc+2));
bytes = 3;
@ -1005,6 +1055,16 @@ offs_t f2mc16_disassembler::disassemble(std::ostream &stream, offs_t pc, const d
bytes = 2;
break;
case 0x68: case 0x69: case 0x6a: case 0x6b:
util::stream_format(stream, "DEC @RW%d", (operand & 0x3));
bytes = 2;
break;
case 0x6c: case 0x6d: case 0x6e: case 0x6f:
util::stream_format(stream, "DEC @RW%d+", (operand & 0x3));
bytes = 2;
break;
case 0x88: case 0x89: case 0x8a: case 0x8b:
util::stream_format(stream, "MOV A, @RW%d", (operand & 0x7));
bytes = 2;
@ -1070,7 +1130,17 @@ offs_t f2mc16_disassembler::disassemble(std::ostream &stream, offs_t pc, const d
switch (operand)
{
case 0x40: case 0x41: case 0x42: case 0x43: case 0x44: case 0x45: case 0x46: case 0x47:
util::stream_format(stream, "INCW @RW%d", (operand & 0x7));
util::stream_format(stream, "INCW RW%d", (operand & 0x7));
bytes = 2;
break;
case 0x48: case 0x49: case 0x4a: case 0x4b:
util::stream_format(stream, "INCW @RW%d", (operand & 0x3));
bytes = 2;
break;
case 0x4c: case 0x4d: case 0x4e: case 0x4f:
util::stream_format(stream, "INCW @RW%d+", (operand & 0x3));
bytes = 2;
break;
@ -1104,6 +1174,16 @@ offs_t f2mc16_disassembler::disassemble(std::ostream &stream, offs_t pc, const d
bytes = 2;
break;
case 0x68: case 0x69: case 0x6a: case 0x6b:
util::stream_format(stream, "DECW @RW%d", (operand & 0x3));
bytes = 2;
break;
case 0x6c: case 0x6d: case 0x6e: case 0x6f:
util::stream_format(stream, "DECW @RW%d+", (operand & 0x3));
bytes = 2;
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;
@ -1154,6 +1234,11 @@ offs_t f2mc16_disassembler::disassemble(std::ostream &stream, offs_t pc, const d
bytes = 2;
break;
case 0xac: case 0xad: case 0xae: case 0xaf:
util::stream_format(stream, "MOVW @RW%d+, A", (operand & 0x3));
bytes = 2;
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);
@ -1262,6 +1347,26 @@ offs_t f2mc16_disassembler::disassemble(std::ostream &stream, offs_t pc, const d
case 0x75: // 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, "ADD R%d, A", (operand & 7));
bytes = 2;
break;
case 0x08: case 0x09: case 0x0a: case 0x0b:
util::stream_format(stream, "ADD @RW%d, A", (operand & 3));
bytes = 2;
break;
case 0x0c: case 0x0d: case 0x0e: case 0x0f:
util::stream_format(stream, "ADD @RW%d+, A", (operand & 3));
bytes = 2;
break;
case 0x20: case 0x21: case 0x22: case 0x23: case 0x24: case 0x25: case 0x26: case 0x27:
util::stream_format(stream, "SUB R%d, A", (operand & 7));
bytes = 2;
break;
default:
stream << "UNK ea-type 75";
break;
@ -1435,6 +1540,27 @@ offs_t f2mc16_disassembler::disassemble(std::ostream &stream, offs_t pc, const d
}
break;
case 0x7a: // ea RWi-type instructions
switch (operand)
{
case 0x00: case 0x01: case 0x02: case 0x03: case 0x04: case 0x05: case 0x06: case 0x07:
case 0x20: case 0x21: case 0x22: case 0x23: case 0x24: case 0x25: case 0x26: case 0x27:
case 0x40: case 0x41: case 0x42: case 0x43: case 0x44: case 0x45: case 0x46: case 0x47:
case 0x60: case 0x61: case 0x62: case 0x63: case 0x64: case 0x65: case 0x66: case 0x67:
case 0x80: case 0x81: case 0x82: case 0x83: case 0x84: case 0x85: case 0x86: case 0x87:
case 0xa0: case 0xa1: case 0xa2: case 0xa3: case 0xa4: case 0xa5: case 0xa6: case 0xa7:
case 0xc0: case 0xc1: case 0xc2: case 0xc3: case 0xc4: case 0xc5: case 0xc6: case 0xc7:
case 0xe0: case 0xe1: case 0xe2: case 0xe3: case 0xe4: case 0xe5: case 0xe6: case 0xe7:
util::stream_format(stream, "MOV R%d, R%d", (opcode>>5) & 0x7, (opcode & 0x7));
bytes = 2;
break;
default:
stream << "UNK ea RWi-type 7A";
break;
}
break;
case 0x7b: // ea RWi-type instructions
switch (operand)
{