private void InitializeOpcodes()
{
// Specification at 3:
// All instructions are comprised of single 16 - bit program words. Some instructions
// may be suffixed by a single 16 - bit immediate value. One instruction -the far
// jump immediate instruction - is suffixed by three 16 - bit immediate values.
// All instructions are defined by the 8-bit low octet of the 16-bit program word.
// Attempted execution of a program word that does not have a defined 8 - bit low
// octet will raise the 'undefined' interrupt.
m_Opcodes[0x00] = new YCPUInstruction("CMP", CMP, DisassembleALU, 0);
m_Opcodes[0x01] = new YCPUInstruction("CMP", CMP, DisassembleALU, 0);
m_Opcodes[0x02] = new YCPUInstruction("CMP", CMP, DisassembleALU, 0);
m_Opcodes[0x03] = new YCPUInstruction("CMP", CMP, DisassembleALU, 0);
m_Opcodes[0x04] = new YCPUInstruction("CMP", CMP, DisassembleALU, 0);
m_Opcodes[0x05] = new YCPUInstruction("CMP", CMP, DisassembleALU, 0);
m_Opcodes[0x06] = new YCPUInstruction("CMP", CMP, DisassembleALU, 0);
m_Opcodes[0x07] = new YCPUInstruction("CMP", CMP, DisassembleALU, 0);
m_Opcodes[0x08] = new YCPUInstruction("NEG", NEG, DisassembleALU, 0);
m_Opcodes[0x09] = new YCPUInstruction("NEG", NEG, DisassembleALU, 0);
m_Opcodes[0x0A] = new YCPUInstruction("NEG", NEG, DisassembleALU, 0);
m_Opcodes[0x0B] = new YCPUInstruction("NEG", NEG, DisassembleALU, 0);
m_Opcodes[0x0C] = new YCPUInstruction("NEG", NEG, DisassembleALU, 0);
m_Opcodes[0x0D] = new YCPUInstruction("NEG", NEG, DisassembleALU, 0);
m_Opcodes[0x0E] = new YCPUInstruction("NEG", NEG, DisassembleALU, 0);
m_Opcodes[0x0F] = new YCPUInstruction("NEG", NEG, DisassembleALU, 0);
m_Opcodes[0x10] = new YCPUInstruction("ADD", ADD, DisassembleALU, 0);
m_Opcodes[0x11] = new YCPUInstruction("ADD", ADD, DisassembleALU, 0);
m_Opcodes[0x12] = new YCPUInstruction("ADD", ADD, DisassembleALU, 0);
m_Opcodes[0x13] = new YCPUInstruction("ADD", ADD, DisassembleALU, 0);
m_Opcodes[0x14] = new YCPUInstruction("ADD", ADD, DisassembleALU, 0);
m_Opcodes[0x15] = new YCPUInstruction("ADD", ADD, DisassembleALU, 0);
m_Opcodes[0x16] = new YCPUInstruction("ADD", ADD, DisassembleALU, 0);
m_Opcodes[0x17] = new YCPUInstruction("ADD", ADD, DisassembleALU, 0);
m_Opcodes[0x18] = new YCPUInstruction("SUB", SUB, DisassembleALU, 0);
m_Opcodes[0x19] = new YCPUInstruction("SUB", SUB, DisassembleALU, 0);
m_Opcodes[0x1A] = new YCPUInstruction("SUB", SUB, DisassembleALU, 0);
m_Opcodes[0x1B] = new YCPUInstruction("SUB", SUB, DisassembleALU, 0);
m_Opcodes[0x1C] = new YCPUInstruction("SUB", SUB, DisassembleALU, 0);
m_Opcodes[0x1D] = new YCPUInstruction("SUB", SUB, DisassembleALU, 0);
m_Opcodes[0x1E] = new YCPUInstruction("SUB", SUB, DisassembleALU, 0);
m_Opcodes[0x1F] = new YCPUInstruction("SUB", SUB, DisassembleALU, 0);
m_Opcodes[0x20] = new YCPUInstruction("ADC", ADC, DisassembleALU, 0);
m_Opcodes[0x21] = new YCPUInstruction("ADC", ADC, DisassembleALU, 0);
m_Opcodes[0x22] = new YCPUInstruction("ADC", ADC, DisassembleALU, 0);
m_Opcodes[0x23] = new YCPUInstruction("ADC", ADC, DisassembleALU, 0);
m_Opcodes[0x24] = new YCPUInstruction("ADC", ADC, DisassembleALU, 0);
m_Opcodes[0x25] = new YCPUInstruction("ADC", ADC, DisassembleALU, 0);
m_Opcodes[0x26] = new YCPUInstruction("ADC", ADC, DisassembleALU, 0);
m_Opcodes[0x27] = new YCPUInstruction("ADC", ADC, DisassembleALU, 0);
m_Opcodes[0x28] = new YCPUInstruction("SBC", SBC, DisassembleALU, 0);
m_Opcodes[0x29] = new YCPUInstruction("SBC", SBC, DisassembleALU, 0);
m_Opcodes[0x2A] = new YCPUInstruction("SBC", SBC, DisassembleALU, 0);
m_Opcodes[0x2B] = new YCPUInstruction("SBC", SBC, DisassembleALU, 0);
m_Opcodes[0x2C] = new YCPUInstruction("SBC", SBC, DisassembleALU, 0);
m_Opcodes[0x2D] = new YCPUInstruction("SBC", SBC, DisassembleALU, 0);
m_Opcodes[0x2E] = new YCPUInstruction("SBC", SBC, DisassembleALU, 0);
m_Opcodes[0x2F] = new YCPUInstruction("SBC", SBC, DisassembleALU, 0);
m_Opcodes[0x30] = new YCPUInstruction("MUL", MUL, DisassembleALU, 7);
m_Opcodes[0x31] = new YCPUInstruction("MUL", MUL, DisassembleALU, 7);
m_Opcodes[0x32] = new YCPUInstruction("MUL", MUL, DisassembleALU, 7);
m_Opcodes[0x33] = new YCPUInstruction("MUL", MUL, DisassembleALU, 7);
m_Opcodes[0x34] = new YCPUInstruction("MUL", MUL, DisassembleALU, 7);
m_Opcodes[0x35] = new YCPUInstruction("MUL", MUL, DisassembleALU, 7);
m_Opcodes[0x36] = new YCPUInstruction("MUL", MUL, DisassembleALU, 7);
m_Opcodes[0x37] = new YCPUInstruction("MUL", MUL, DisassembleALU, 7);
m_Opcodes[0x38] = new YCPUInstruction("DIV", DIV, DisassembleALU, 47);
m_Opcodes[0x39] = new YCPUInstruction("DIV", DIV, DisassembleALU, 47);
m_Opcodes[0x3A] = new YCPUInstruction("DIV", DIV, DisassembleALU, 47);
m_Opcodes[0x3B] = new YCPUInstruction("DIV", DIV, DisassembleALU, 47);
m_Opcodes[0x3C] = new YCPUInstruction("DIV", DIV, DisassembleALU, 47);
m_Opcodes[0x3D] = new YCPUInstruction("DIV", DIV, DisassembleALU, 47);
m_Opcodes[0x3E] = new YCPUInstruction("DIV", DIV, DisassembleALU, 47);
m_Opcodes[0x3F] = new YCPUInstruction("DIV", DIV, DisassembleALU, 47);
m_Opcodes[0x40] = new YCPUInstruction("MLI", MLI, DisassembleALU, 7);
m_Opcodes[0x41] = new YCPUInstruction("MLI", MLI, DisassembleALU, 7);
m_Opcodes[0x42] = new YCPUInstruction("MLI", MLI, DisassembleALU, 7);
m_Opcodes[0x43] = new YCPUInstruction("MLI", MLI, DisassembleALU, 7);
m_Opcodes[0x44] = new YCPUInstruction("MLI", MLI, DisassembleALU, 7);
m_Opcodes[0x45] = new YCPUInstruction("MLI", MLI, DisassembleALU, 7);
m_Opcodes[0x46] = new YCPUInstruction("MLI", MLI, DisassembleALU, 7);
m_Opcodes[0x47] = new YCPUInstruction("MLI", MLI, DisassembleALU, 7);
m_Opcodes[0x48] = new YCPUInstruction("DVI", DVI, DisassembleALU, 47);
m_Opcodes[0x49] = new YCPUInstruction("DVI", DVI, DisassembleALU, 47);
m_Opcodes[0x4A] = new YCPUInstruction("DVI", DVI, DisassembleALU, 47);
m_Opcodes[0x4B] = new YCPUInstruction("DVI", DVI, DisassembleALU, 47);
m_Opcodes[0x4C] = new YCPUInstruction("DVI", DVI, DisassembleALU, 47);
m_Opcodes[0x4D] = new YCPUInstruction("DVI", DVI, DisassembleALU, 47);
m_Opcodes[0x4E] = new YCPUInstruction("DVI", DVI, DisassembleALU, 47);
m_Opcodes[0x4F] = new YCPUInstruction("DVI", DVI, DisassembleALU, 47);
m_Opcodes[0x50] = new YCPUInstruction("MOD", MOD, DisassembleALU, 47);
m_Opcodes[0x51] = new YCPUInstruction("MOD", MOD, DisassembleALU, 47);
m_Opcodes[0x52] = new YCPUInstruction("MOD", MOD, DisassembleALU, 47);
m_Opcodes[0x53] = new YCPUInstruction("MOD", MOD, DisassembleALU, 47);
m_Opcodes[0x54] = new YCPUInstruction("MOD", MOD, DisassembleALU, 47);
m_Opcodes[0x55] = new YCPUInstruction("MOD", MOD, DisassembleALU, 47);
m_Opcodes[0x56] = new YCPUInstruction("MOD", MOD, DisassembleALU, 47);
m_Opcodes[0x57] = new YCPUInstruction("MOD", MOD, DisassembleALU, 47);
m_Opcodes[0x58] = new YCPUInstruction("MDI", MDI, DisassembleALU, 47);
m_Opcodes[0x59] = new YCPUInstruction("MDI", MDI, DisassembleALU, 47);
m_Opcodes[0x5A] = new YCPUInstruction("MDI", MDI, DisassembleALU, 47);
m_Opcodes[0x5B] = new YCPUInstruction("MDI", MDI, DisassembleALU, 47);
m_Opcodes[0x5C] = new YCPUInstruction("MDI", MDI, DisassembleALU, 47);
m_Opcodes[0x5D] = new YCPUInstruction("MDI", MDI, DisassembleALU, 47);
m_Opcodes[0x5E] = new YCPUInstruction("MDI", MDI, DisassembleALU, 47);
m_Opcodes[0x5F] = new YCPUInstruction("MDI", MDI, DisassembleALU, 47);
m_Opcodes[0x60] = new YCPUInstruction("AND", AND, DisassembleALU, 0);
m_Opcodes[0x61] = new YCPUInstruction("AND", AND, DisassembleALU, 0);
m_Opcodes[0x62] = new YCPUInstruction("AND", AND, DisassembleALU, 0);
m_Opcodes[0x63] = new YCPUInstruction("AND", AND, DisassembleALU, 0);
m_Opcodes[0x64] = new YCPUInstruction("AND", AND, DisassembleALU, 0);
m_Opcodes[0x65] = new YCPUInstruction("AND", AND, DisassembleALU, 0);
m_Opcodes[0x66] = new YCPUInstruction("AND", AND, DisassembleALU, 0);
m_Opcodes[0x67] = new YCPUInstruction("AND", AND, DisassembleALU, 0);
m_Opcodes[0x68] = new YCPUInstruction("ORR", ORR, DisassembleALU, 0);
m_Opcodes[0x69] = new YCPUInstruction("ORR", ORR, DisassembleALU, 0);
m_Opcodes[0x6A] = new YCPUInstruction("ORR", ORR, DisassembleALU, 0);
m_Opcodes[0x6B] = new YCPUInstruction("ORR", ORR, DisassembleALU, 0);
m_Opcodes[0x6C] = new YCPUInstruction("ORR", ORR, DisassembleALU, 0);
m_Opcodes[0x6D] = new YCPUInstruction("ORR", ORR, DisassembleALU, 0);
m_Opcodes[0x6E] = new YCPUInstruction("ORR", ORR, DisassembleALU, 0);
m_Opcodes[0x6F] = new YCPUInstruction("ORR", ORR, DisassembleALU, 0);
m_Opcodes[0x70] = new YCPUInstruction("EOR", EOR, DisassembleALU, 0);
m_Opcodes[0x71] = new YCPUInstruction("EOR", EOR, DisassembleALU, 0);
m_Opcodes[0x72] = new YCPUInstruction("EOR", EOR, DisassembleALU, 0);
m_Opcodes[0x73] = new YCPUInstruction("EOR", EOR, DisassembleALU, 0);
m_Opcodes[0x74] = new YCPUInstruction("EOR", EOR, DisassembleALU, 0);
m_Opcodes[0x75] = new YCPUInstruction("EOR", EOR, DisassembleALU, 0);
m_Opcodes[0x76] = new YCPUInstruction("EOR", EOR, DisassembleALU, 0);
m_Opcodes[0x77] = new YCPUInstruction("EOR", EOR, DisassembleALU, 0);
m_Opcodes[0x78] = new YCPUInstruction("NOT", NOT, DisassembleALU, 0);
m_Opcodes[0x79] = new YCPUInstruction("NOT", NOT, DisassembleALU, 0);
m_Opcodes[0x7A] = new YCPUInstruction("NOT", NOT, DisassembleALU, 0);
m_Opcodes[0x7B] = new YCPUInstruction("NOT", NOT, DisassembleALU, 0);
m_Opcodes[0x7C] = new YCPUInstruction("NOT", NOT, DisassembleALU, 0);
m_Opcodes[0x7D] = new YCPUInstruction("NOT", NOT, DisassembleALU, 0);
m_Opcodes[0x7E] = new YCPUInstruction("NOT", NOT, DisassembleALU, 0);
m_Opcodes[0x7F] = new YCPUInstruction("NOT", NOT, DisassembleALU, 0);
m_Opcodes[0x80] = new YCPUInstruction("LOD", LOD, DisassembleALU, 0);
m_Opcodes[0x81] = new YCPUInstruction("LOD", LOD, DisassembleALU, 0);
m_Opcodes[0x82] = new YCPUInstruction("LOD", LOD, DisassembleALU, 0);
m_Opcodes[0x83] = new YCPUInstruction("LOD", LOD, DisassembleALU, 0);
m_Opcodes[0x84] = new YCPUInstruction("LOD", LOD, DisassembleALU, 0);
m_Opcodes[0x85] = new YCPUInstruction("LOD", LOD, DisassembleALU, 0);
m_Opcodes[0x86] = new YCPUInstruction("LOD", LOD, DisassembleALU, 0);
m_Opcodes[0x87] = new YCPUInstruction("LOD", LOD, DisassembleALU, 0);
m_Opcodes[0x88] = new YCPUInstruction("STO", STO, DisassembleALU, 0);
m_Opcodes[0x89] = new YCPUInstruction("STO", STO, DisassembleALU, 0);
m_Opcodes[0x8A] = new YCPUInstruction("STO", STO, DisassembleALU, 0);
m_Opcodes[0x8B] = new YCPUInstruction("STO", STO, DisassembleALU, 0);
m_Opcodes[0x8C] = new YCPUInstruction("STO", STO, DisassembleALU, 0);
m_Opcodes[0x8D] = new YCPUInstruction("STO", STO, DisassembleALU, 0);
m_Opcodes[0x8E] = new YCPUInstruction("STO", STO, DisassembleALU, 0);
m_Opcodes[0x8F] = new YCPUInstruction("STO", STO, DisassembleALU, 0);
m_Opcodes[0x90] = new YCPUInstruction("BCC", BCC, DisassembleBRA, 0);
m_Opcodes[0x91] = new YCPUInstruction("BCS", BCS, DisassembleBRA, 0);
m_Opcodes[0x92] = new YCPUInstruction("BNE", BNE, DisassembleBRA, 0);
m_Opcodes[0x93] = new YCPUInstruction("BEQ", BEQ, DisassembleBRA, 0);
m_Opcodes[0x94] = new YCPUInstruction("BPL", BPL, DisassembleBRA, 0);
m_Opcodes[0x95] = new YCPUInstruction("BMI", BMI, DisassembleBRA, 0);
m_Opcodes[0x96] = new YCPUInstruction("BVC", BVC, DisassembleBRA, 0);
m_Opcodes[0x97] = new YCPUInstruction("BVS", BVS, DisassembleBRA, 0);
m_Opcodes[0x98] = new YCPUInstruction("BUG", BUG, DisassembleBRA, 0);
m_Opcodes[0x99] = new YCPUInstruction("BSG", BSG, DisassembleBRA, 0);
// 0x9A - 0x9E are Undefined operations in the branch opcode space.
m_Opcodes[0x9F] = new YCPUInstruction("BAW", BAW, DisassembleBRA, 0);
m_Opcodes[0xA0] = new YCPUInstruction("ASL", ASL, DisassembleSHF, 3);
m_Opcodes[0xA1] = new YCPUInstruction("LSL", ASL, DisassembleSHF, 3); // ASL == LSL, per specification.
m_Opcodes[0xA2] = new YCPUInstruction("ROL", ROL, DisassembleSHF, 1);
m_Opcodes[0xA3] = new YCPUInstruction("RNL", RNL, DisassembleSHF, 1);
m_Opcodes[0xA4] = new YCPUInstruction("ASR", ASR, DisassembleSHF, 3);
m_Opcodes[0xA5] = new YCPUInstruction("LSR", LSR, DisassembleSHF, 3);
m_Opcodes[0xA6] = new YCPUInstruction("ROR", ROR, DisassembleSHF, 1);
m_Opcodes[0xA7] = new YCPUInstruction("RNR", RNR, DisassembleSHF, 1);
m_Opcodes[0xA8] = new YCPUInstruction("BTT", BIT, DisassembleBTT, 1);
m_Opcodes[0xA9] = new YCPUInstruction("BTX", BTX, DisassembleBTT, 1);
m_Opcodes[0xAA] = new YCPUInstruction("BTC", BTC, DisassembleBTT, 1);
m_Opcodes[0xAB] = new YCPUInstruction("BTS", BTS, DisassembleBTT, 1);
m_Opcodes[0xAC] = new YCPUInstruction("SET", SET, DisassembleSET, 0);
m_Opcodes[0xAD] = new YCPUInstruction("SET", SET, DisassembleSET, 0);
m_Opcodes[0xAE] = new YCPUInstruction("SEF", SEF, DisassembleFLG, 0);
m_Opcodes[0xAF] = new YCPUInstruction("CLF", CLF, DisassembleFLG, 0);
m_Opcodes[0xB0] = new YCPUInstruction("PSH", PSH, DisassembleSTK, 0);
m_Opcodes[0xB1] = new YCPUInstruction("PSH", PSH, DisassembleSTK, 0);
m_Opcodes[0xB2] = new YCPUInstruction("POP", POP, DisassembleSTK, 0);
m_Opcodes[0xB3] = new YCPUInstruction("POP", POP, DisassembleSTK, 0);
m_Opcodes[0xB4] = new YCPUInstruction("PRX", PRX, DisassemblePRX, 1);
m_Opcodes[0xB5] = new YCPUInstruction("XSG", XSG, DisassembleXSG, 3);
m_Opcodes[0xB6] = new YCPUInstruction("ADI", ADI, DisassembleINC, 0);
m_Opcodes[0xB7] = new YCPUInstruction("SBI", SBI, DisassembleINC, 0);
m_Opcodes[0xB8] = new YCPUInstruction("JMP", JMP, DisassembleJMP, 0);
m_Opcodes[0xB9] = new YCPUInstruction("JSR", JSR, DisassembleJMP, 1);
m_Opcodes[0xBA] = new YCPUInstruction("HWQ", HWQ, DisassembleHWQ, 0);
m_Opcodes[0xBB] = new YCPUInstruction("STX", STX, DisassembleSTX, 0);
// 0xBE = 0xFF are undefined (66 opcodes).
for (int i = 0; i < 0x100; i += 1)
if (m_Opcodes[i].Opcode == null)
m_Opcodes[i] = new YCPUInstruction("NOP", NOP, DisassembleNoBits, 1, true);
}
