/*****************************************************************************/
/* */
-/* opcodes.c */
+/* opcodes.c */
/* */
-/* Opcode and addressing mode definitions */
+/* Opcode and addressing mode definitions */
/* */
/* */
/* */
/*****************************************************************************/
-/* Data */
+/* Data */
/*****************************************************************************/
const OPCDesc OPCTable[OP65_COUNT] = {
/* 65XX opcodes */
- { OP65_ADC, /* opcode */
- "adc", /* mnemonic */
- 0, /* size */
- REG_A, /* use */
- REG_A, /* chg */
- OF_SETF /* flags */
- },
- { OP65_AND, /* opcode */
- "and", /* mnemonic */
- 0, /* size */
- REG_A, /* use */
- REG_A, /* chg */
- OF_SETF /* flags */
- },
- { OP65_ASL, /* opcode */
- "asl", /* mnemonic */
- 0, /* size */
- REG_NONE, /* use */
- REG_NONE, /* chg */
- OF_SETF | OF_NOIMP /* flags */
- },
- { OP65_BCC, /* opcode */
- "bcc", /* mnemonic */
- 2, /* size */
- REG_NONE, /* use */
- REG_NONE, /* chg */
- OF_CBRA /* flags */
- },
- { OP65_BCS, /* opcode */
- "bcs", /* mnemonic */
- 2, /* size */
- REG_NONE, /* use */
- REG_NONE, /* chg */
- OF_CBRA /* flags */
- },
- { OP65_BEQ, /* opcode */
- "beq", /* mnemonic */
- 2, /* size */
- REG_NONE, /* use */
- REG_NONE, /* chg */
- OF_CBRA | OF_ZBRA | OF_FBRA /* flags */
- },
- { OP65_BIT, /* opcode */
- "bit", /* mnemonic */
- 0, /* size */
- REG_A, /* use */
- REG_NONE, /* chg */
- OF_SETF /* flags */
- },
- { OP65_BMI, /* opcode */
- "bmi", /* mnemonic */
- 2, /* size */
- REG_NONE, /* use */
- REG_NONE, /* chg */
- OF_CBRA | OF_FBRA /* flags */
- },
- { OP65_BNE, /* opcode */
- "bne", /* mnemonic */
- 2, /* size */
- REG_NONE, /* use */
- REG_NONE, /* chg */
- OF_CBRA | OF_ZBRA | OF_FBRA /* flags */
- },
- { OP65_BPL, /* opcode */
- "bpl", /* mnemonic */
- 2, /* size */
- REG_NONE, /* use */
- REG_NONE, /* chg */
- OF_CBRA | OF_FBRA /* flags */
- },
- { OP65_BRA, /* opcode */
- "bra", /* mnemonic */
- 2, /* size */
- REG_NONE, /* use */
- REG_NONE, /* chg */
- OF_UBRA /* flags */
- },
- { OP65_BRK, /* opcode */
- "brk", /* mnemonic */
- 1, /* size */
- REG_NONE, /* use */
- REG_NONE, /* chg */
- OF_NONE /* flags */
- },
- { OP65_BVC, /* opcode */
- "bvc", /* mnemonic */
- 2, /* size */
- REG_NONE, /* use */
- REG_NONE, /* chg */
- OF_CBRA /* flags */
- },
- { OP65_BVS, /* opcode */
- "bvs", /* mnemonic */
- 2, /* size */
- REG_NONE, /* use */
- REG_NONE, /* chg */
- OF_CBRA /* flags */
- },
- { OP65_CLC, /* opcode */
- "clc", /* mnemonic */
- 1, /* size */
- REG_NONE, /* use */
- REG_NONE, /* chg */
- OF_NONE /* flags */
- },
- { OP65_CLD, /* opcode */
- "cld", /* mnemonic */
- 1, /* size */
- REG_NONE, /* use */
- REG_NONE, /* chg */
- OF_NONE /* flags */
- },
- { OP65_CLI, /* opcode */
- "cli", /* mnemonic */
- 1, /* size */
- REG_NONE, /* use */
- REG_NONE, /* chg */
- OF_NONE /* flags */
- },
- { OP65_CLV, /* opcode */
- "clv", /* mnemonic */
- 1, /* size */
- REG_NONE, /* use */
- REG_NONE, /* chg */
- OF_NONE /* flags */
- },
- { OP65_CMP, /* opcode */
- "cmp", /* mnemonic */
- 0, /* size */
- REG_A, /* use */
- REG_NONE, /* chg */
- OF_SETF | OF_CMP /* flags */
- },
- { OP65_CPX, /* opcode */
- "cpx", /* mnemonic */
- 0, /* size */
- REG_X, /* use */
- REG_NONE, /* chg */
- OF_SETF | OF_CMP /* flags */
- },
- { OP65_CPY, /* opcode */
- "cpy", /* mnemonic */
- 0, /* size */
- REG_Y, /* use */
- REG_NONE, /* chg */
- OF_SETF | OF_CMP /* flags */
- },
- { OP65_DEA, /* opcode */
- "dea", /* mnemonic */
- 1, /* size */
- REG_A, /* use */
- REG_A, /* chg */
- OF_REG_INCDEC | OF_SETF /* flags */
- },
- { OP65_DEC, /* opcode */
- "dec", /* mnemonic */
- 0, /* size */
- REG_NONE, /* use */
- REG_NONE, /* chg */
- OF_SETF | OF_NOIMP /* flags */
- },
- { OP65_DEX, /* opcode */
- "dex", /* mnemonic */
- 1, /* size */
- REG_X, /* use */
- REG_X, /* chg */
- OF_REG_INCDEC | OF_SETF /* flags */
- },
- { OP65_DEY, /* opcode */
- "dey", /* mnemonic */
- 1, /* size */
- REG_Y, /* use */
- REG_Y, /* chg */
- OF_REG_INCDEC | OF_SETF /* flags */
- },
- { OP65_EOR, /* opcode */
- "eor", /* mnemonic */
- 0, /* size */
- REG_A, /* use */
- REG_A, /* chg */
- OF_SETF /* flags */
- },
- { OP65_INA, /* opcode */
- "ina", /* mnemonic */
- 1, /* size */
- REG_A, /* use */
- REG_A, /* chg */
- OF_REG_INCDEC | OF_SETF /* flags */
- },
- { OP65_INC, /* opcode */
- "inc", /* mnemonic */
- 0, /* size */
- REG_NONE, /* use */
- REG_NONE, /* chg */
- OF_SETF | OF_NOIMP /* flags */
- },
- { OP65_INX, /* opcode */
- "inx", /* mnemonic */
- 1, /* size */
- REG_X, /* use */
- REG_X, /* chg */
- OF_REG_INCDEC | OF_SETF /* flags */
- },
- { OP65_INY, /* opcode */
- "iny", /* mnemonic */
- 1, /* size */
- REG_Y, /* use */
- REG_Y, /* chg */
- OF_REG_INCDEC | OF_SETF /* flags */
- },
- { OP65_JCC, /* opcode */
- "jcc", /* mnemonic */
- 5, /* size */
- REG_NONE, /* use */
- REG_NONE, /* chg */
- OF_CBRA | OF_LBRA /* flags */
- },
- { OP65_JCS, /* opcode */
- "jcs", /* mnemonic */
- 5, /* size */
- REG_NONE, /* use */
- REG_NONE, /* chg */
- OF_CBRA | OF_LBRA /* flags */
- },
- { OP65_JEQ, /* opcode */
- "jeq", /* mnemonic */
- 5, /* size */
- REG_NONE, /* use */
- REG_NONE, /* chg */
- OF_CBRA | OF_LBRA | OF_ZBRA | OF_FBRA /* flags */
- },
- { OP65_JMI, /* opcode */
- "jmi", /* mnemonic */
- 5, /* size */
- REG_NONE, /* use */
- REG_NONE, /* chg */
- OF_CBRA | OF_LBRA | OF_FBRA /* flags */
- },
- { OP65_JMP, /* opcode */
- "jmp", /* mnemonic */
- 3, /* size */
- REG_NONE, /* use */
- REG_NONE, /* chg */
- OF_UBRA | OF_LBRA /* flags */
- },
- { OP65_JNE, /* opcode */
- "jne", /* mnemonic */
- 5, /* size */
- REG_NONE, /* use */
- REG_NONE, /* chg */
- OF_CBRA | OF_LBRA | OF_ZBRA | OF_FBRA /* flags */
- },
- { OP65_JPL, /* opcode */
- "jpl", /* mnemonic */
- 5, /* size */
- REG_NONE, /* use */
- REG_NONE, /* chg */
- OF_CBRA | OF_LBRA | OF_FBRA /* flags */
- },
- { OP65_JSR, /* opcode */
- "jsr", /* mnemonic */
- 3, /* size */
- REG_NONE, /* use */
- REG_NONE, /* chg */
- OF_CALL /* flags */
- },
- { OP65_JVC, /* opcode */
- "jvc", /* mnemonic */
- 5, /* size */
- REG_NONE, /* use */
- REG_NONE, /* chg */
- OF_CBRA | OF_LBRA /* flags */
- },
- { OP65_JVS, /* opcode */
- "jvs", /* mnemonic */
- 5, /* size */
- REG_NONE, /* use */
- REG_NONE, /* chg */
- OF_CBRA | OF_LBRA /* flags */
- },
- { OP65_LDA, /* opcode */
- "lda", /* mnemonic */
- 0, /* size */
- REG_NONE, /* use */
- REG_A, /* chg */
- OF_LOAD | OF_SETF /* flags */
- },
- { OP65_LDX, /* opcode */
- "ldx", /* mnemonic */
- 0, /* size */
- REG_NONE, /* use */
- REG_X, /* chg */
- OF_LOAD | OF_SETF /* flags */
- },
- { OP65_LDY, /* opcode */
- "ldy", /* mnemonic */
- 0, /* size */
- REG_NONE, /* use */
- REG_Y, /* chg */
- OF_LOAD | OF_SETF /* flags */
- },
- { OP65_LSR, /* opcode */
- "lsr", /* mnemonic */
- 0, /* size */
- REG_NONE, /* use */
- REG_NONE, /* chg */
- OF_SETF | OF_NOIMP /* flags */
- },
- { OP65_NOP, /* opcode */
- "nop", /* mnemonic */
- 1, /* size */
- REG_NONE, /* use */
- REG_NONE, /* chg */
- OF_NONE /* flags */
- },
- { OP65_ORA, /* opcode */
- "ora", /* mnemonic */
- 0, /* size */
- REG_A, /* use */
- REG_A, /* chg */
- OF_SETF /* flags */
- },
- { OP65_PHA, /* opcode */
- "pha", /* mnemonic */
- 1, /* size */
- REG_A, /* use */
- REG_NONE, /* chg */
- OF_NONE /* flags */
- },
- { OP65_PHP, /* opcode */
- "php", /* mnemonic */
- 1, /* size */
- REG_NONE, /* use */
- REG_NONE, /* chg */
- OF_NONE /* flags */
- },
- { OP65_PHX, /* opcode */
- "phx", /* mnemonic */
- 1, /* size */
- REG_X, /* use */
- REG_NONE, /* chg */
- OF_NONE /* flags */
- },
- { OP65_PHY, /* opcode */
- "phy", /* mnemonic */
- 1, /* size */
- REG_Y, /* use */
- REG_NONE, /* chg */
- OF_NONE /* flags */
- },
- { OP65_PLA, /* opcode */
- "pla", /* mnemonic */
- 1, /* size */
- REG_NONE, /* use */
- REG_A, /* chg */
- OF_SETF /* flags */
- },
- { OP65_PLP, /* opcode */
- "plp", /* mnemonic */
- 1, /* size */
- REG_NONE, /* use */
- REG_NONE, /* chg */
- OF_NONE /* flags */
- },
- { OP65_PLX, /* opcode */
- "plx", /* mnemonic */
- 1, /* size */
- REG_NONE, /* use */
- REG_X, /* chg */
- OF_SETF /* flags */
- },
- { OP65_PLY, /* opcode */
- "ply", /* mnemonic */
- 1, /* size */
- REG_NONE, /* use */
- REG_Y, /* chg */
- OF_SETF /* flags */
- },
- { OP65_ROL, /* opcode */
- "rol", /* mnemonic */
- 0, /* size */
- REG_NONE, /* use */
- REG_NONE, /* chg */
- OF_SETF | OF_NOIMP /* flags */
- },
- { OP65_ROR, /* opcode */
- "ror", /* mnemonic */
- 0, /* size */
- REG_NONE, /* use */
- REG_NONE, /* chg */
- OF_SETF | OF_NOIMP /* flags */
+ { OP65_ADC, /* opcode */
+ "adc", /* mnemonic */
+ 0, /* size */
+ REG_A, /* use */
+ REG_A, /* chg */
+ OF_SETF /* flags */
+ },
+ { OP65_AND, /* opcode */
+ "and", /* mnemonic */
+ 0, /* size */
+ REG_A, /* use */
+ REG_A, /* chg */
+ OF_SETF /* flags */
+ },
+ { OP65_ASL, /* opcode */
+ "asl", /* mnemonic */
+ 0, /* size */
+ REG_NONE, /* use */
+ REG_NONE, /* chg */
+ OF_SETF | OF_NOIMP /* flags */
+ },
+ { OP65_BCC, /* opcode */
+ "bcc", /* mnemonic */
+ 2, /* size */
+ REG_NONE, /* use */
+ REG_NONE, /* chg */
+ OF_CBRA /* flags */
+ },
+ { OP65_BCS, /* opcode */
+ "bcs", /* mnemonic */
+ 2, /* size */
+ REG_NONE, /* use */
+ REG_NONE, /* chg */
+ OF_CBRA /* flags */
+ },
+ { OP65_BEQ, /* opcode */
+ "beq", /* mnemonic */
+ 2, /* size */
+ REG_NONE, /* use */
+ REG_NONE, /* chg */
+ OF_CBRA | OF_ZBRA | OF_FBRA /* flags */
+ },
+ { OP65_BIT, /* opcode */
+ "bit", /* mnemonic */
+ 0, /* size */
+ REG_A, /* use */
+ REG_NONE, /* chg */
+ OF_SETF /* flags */
+ },
+ { OP65_BMI, /* opcode */
+ "bmi", /* mnemonic */
+ 2, /* size */
+ REG_NONE, /* use */
+ REG_NONE, /* chg */
+ OF_CBRA | OF_FBRA /* flags */
+ },
+ { OP65_BNE, /* opcode */
+ "bne", /* mnemonic */
+ 2, /* size */
+ REG_NONE, /* use */
+ REG_NONE, /* chg */
+ OF_CBRA | OF_ZBRA | OF_FBRA /* flags */
+ },
+ { OP65_BPL, /* opcode */
+ "bpl", /* mnemonic */
+ 2, /* size */
+ REG_NONE, /* use */
+ REG_NONE, /* chg */
+ OF_CBRA | OF_FBRA /* flags */
+ },
+ { OP65_BRA, /* opcode */
+ "bra", /* mnemonic */
+ 2, /* size */
+ REG_NONE, /* use */
+ REG_NONE, /* chg */
+ OF_UBRA /* flags */
+ },
+ { OP65_BRK, /* opcode */
+ "brk", /* mnemonic */
+ 1, /* size */
+ REG_NONE, /* use */
+ REG_NONE, /* chg */
+ OF_NONE /* flags */
+ },
+ { OP65_BVC, /* opcode */
+ "bvc", /* mnemonic */
+ 2, /* size */
+ REG_NONE, /* use */
+ REG_NONE, /* chg */
+ OF_CBRA /* flags */
+ },
+ { OP65_BVS, /* opcode */
+ "bvs", /* mnemonic */
+ 2, /* size */
+ REG_NONE, /* use */
+ REG_NONE, /* chg */
+ OF_CBRA /* flags */
+ },
+ { OP65_CLC, /* opcode */
+ "clc", /* mnemonic */
+ 1, /* size */
+ REG_NONE, /* use */
+ REG_NONE, /* chg */
+ OF_NONE /* flags */
+ },
+ { OP65_CLD, /* opcode */
+ "cld", /* mnemonic */
+ 1, /* size */
+ REG_NONE, /* use */
+ REG_NONE, /* chg */
+ OF_NONE /* flags */
+ },
+ { OP65_CLI, /* opcode */
+ "cli", /* mnemonic */
+ 1, /* size */
+ REG_NONE, /* use */
+ REG_NONE, /* chg */
+ OF_NONE /* flags */
+ },
+ { OP65_CLV, /* opcode */
+ "clv", /* mnemonic */
+ 1, /* size */
+ REG_NONE, /* use */
+ REG_NONE, /* chg */
+ OF_NONE /* flags */
+ },
+ { OP65_CMP, /* opcode */
+ "cmp", /* mnemonic */
+ 0, /* size */
+ REG_A, /* use */
+ REG_NONE, /* chg */
+ OF_SETF | OF_CMP /* flags */
+ },
+ { OP65_CPX, /* opcode */
+ "cpx", /* mnemonic */
+ 0, /* size */
+ REG_X, /* use */
+ REG_NONE, /* chg */
+ OF_SETF | OF_CMP /* flags */
+ },
+ { OP65_CPY, /* opcode */
+ "cpy", /* mnemonic */
+ 0, /* size */
+ REG_Y, /* use */
+ REG_NONE, /* chg */
+ OF_SETF | OF_CMP /* flags */
+ },
+ { OP65_DEA, /* opcode */
+ "dea", /* mnemonic */
+ 1, /* size */
+ REG_A, /* use */
+ REG_A, /* chg */
+ OF_REG_INCDEC | OF_SETF /* flags */
+ },
+ { OP65_DEC, /* opcode */
+ "dec", /* mnemonic */
+ 0, /* size */
+ REG_NONE, /* use */
+ REG_NONE, /* chg */
+ OF_SETF | OF_NOIMP /* flags */
+ },
+ { OP65_DEX, /* opcode */
+ "dex", /* mnemonic */
+ 1, /* size */
+ REG_X, /* use */
+ REG_X, /* chg */
+ OF_REG_INCDEC | OF_SETF /* flags */
+ },
+ { OP65_DEY, /* opcode */
+ "dey", /* mnemonic */
+ 1, /* size */
+ REG_Y, /* use */
+ REG_Y, /* chg */
+ OF_REG_INCDEC | OF_SETF /* flags */
+ },
+ { OP65_EOR, /* opcode */
+ "eor", /* mnemonic */
+ 0, /* size */
+ REG_A, /* use */
+ REG_A, /* chg */
+ OF_SETF /* flags */
+ },
+ { OP65_INA, /* opcode */
+ "ina", /* mnemonic */
+ 1, /* size */
+ REG_A, /* use */
+ REG_A, /* chg */
+ OF_REG_INCDEC | OF_SETF /* flags */
+ },
+ { OP65_INC, /* opcode */
+ "inc", /* mnemonic */
+ 0, /* size */
+ REG_NONE, /* use */
+ REG_NONE, /* chg */
+ OF_SETF | OF_NOIMP /* flags */
+ },
+ { OP65_INX, /* opcode */
+ "inx", /* mnemonic */
+ 1, /* size */
+ REG_X, /* use */
+ REG_X, /* chg */
+ OF_REG_INCDEC | OF_SETF /* flags */
+ },
+ { OP65_INY, /* opcode */
+ "iny", /* mnemonic */
+ 1, /* size */
+ REG_Y, /* use */
+ REG_Y, /* chg */
+ OF_REG_INCDEC | OF_SETF /* flags */
+ },
+ { OP65_JCC, /* opcode */
+ "jcc", /* mnemonic */
+ 5, /* size */
+ REG_NONE, /* use */
+ REG_NONE, /* chg */
+ OF_CBRA | OF_LBRA /* flags */
+ },
+ { OP65_JCS, /* opcode */
+ "jcs", /* mnemonic */
+ 5, /* size */
+ REG_NONE, /* use */
+ REG_NONE, /* chg */
+ OF_CBRA | OF_LBRA /* flags */
+ },
+ { OP65_JEQ, /* opcode */
+ "jeq", /* mnemonic */
+ 5, /* size */
+ REG_NONE, /* use */
+ REG_NONE, /* chg */
+ OF_CBRA | OF_LBRA | OF_ZBRA | OF_FBRA /* flags */
+ },
+ { OP65_JMI, /* opcode */
+ "jmi", /* mnemonic */
+ 5, /* size */
+ REG_NONE, /* use */
+ REG_NONE, /* chg */
+ OF_CBRA | OF_LBRA | OF_FBRA /* flags */
+ },
+ { OP65_JMP, /* opcode */
+ "jmp", /* mnemonic */
+ 3, /* size */
+ REG_NONE, /* use */
+ REG_NONE, /* chg */
+ OF_UBRA | OF_LBRA /* flags */
+ },
+ { OP65_JNE, /* opcode */
+ "jne", /* mnemonic */
+ 5, /* size */
+ REG_NONE, /* use */
+ REG_NONE, /* chg */
+ OF_CBRA | OF_LBRA | OF_ZBRA | OF_FBRA /* flags */
+ },
+ { OP65_JPL, /* opcode */
+ "jpl", /* mnemonic */
+ 5, /* size */
+ REG_NONE, /* use */
+ REG_NONE, /* chg */
+ OF_CBRA | OF_LBRA | OF_FBRA /* flags */
+ },
+ { OP65_JSR, /* opcode */
+ "jsr", /* mnemonic */
+ 3, /* size */
+ REG_NONE, /* use */
+ REG_NONE, /* chg */
+ OF_CALL /* flags */
+ },
+ { OP65_JVC, /* opcode */
+ "jvc", /* mnemonic */
+ 5, /* size */
+ REG_NONE, /* use */
+ REG_NONE, /* chg */
+ OF_CBRA | OF_LBRA /* flags */
+ },
+ { OP65_JVS, /* opcode */
+ "jvs", /* mnemonic */
+ 5, /* size */
+ REG_NONE, /* use */
+ REG_NONE, /* chg */
+ OF_CBRA | OF_LBRA /* flags */
+ },
+ { OP65_LDA, /* opcode */
+ "lda", /* mnemonic */
+ 0, /* size */
+ REG_NONE, /* use */
+ REG_A, /* chg */
+ OF_LOAD | OF_SETF /* flags */
+ },
+ { OP65_LDX, /* opcode */
+ "ldx", /* mnemonic */
+ 0, /* size */
+ REG_NONE, /* use */
+ REG_X, /* chg */
+ OF_LOAD | OF_SETF /* flags */
+ },
+ { OP65_LDY, /* opcode */
+ "ldy", /* mnemonic */
+ 0, /* size */
+ REG_NONE, /* use */
+ REG_Y, /* chg */
+ OF_LOAD | OF_SETF /* flags */
+ },
+ { OP65_LSR, /* opcode */
+ "lsr", /* mnemonic */
+ 0, /* size */
+ REG_NONE, /* use */
+ REG_NONE, /* chg */
+ OF_SETF | OF_NOIMP /* flags */
+ },
+ { OP65_NOP, /* opcode */
+ "nop", /* mnemonic */
+ 1, /* size */
+ REG_NONE, /* use */
+ REG_NONE, /* chg */
+ OF_NONE /* flags */
+ },
+ { OP65_ORA, /* opcode */
+ "ora", /* mnemonic */
+ 0, /* size */
+ REG_A, /* use */
+ REG_A, /* chg */
+ OF_SETF /* flags */
+ },
+ { OP65_PHA, /* opcode */
+ "pha", /* mnemonic */
+ 1, /* size */
+ REG_A, /* use */
+ REG_NONE, /* chg */
+ OF_NONE /* flags */
+ },
+ { OP65_PHP, /* opcode */
+ "php", /* mnemonic */
+ 1, /* size */
+ REG_NONE, /* use */
+ REG_NONE, /* chg */
+ OF_NONE /* flags */
+ },
+ { OP65_PHX, /* opcode */
+ "phx", /* mnemonic */
+ 1, /* size */
+ REG_X, /* use */
+ REG_NONE, /* chg */
+ OF_NONE /* flags */
+ },
+ { OP65_PHY, /* opcode */
+ "phy", /* mnemonic */
+ 1, /* size */
+ REG_Y, /* use */
+ REG_NONE, /* chg */
+ OF_NONE /* flags */
+ },
+ { OP65_PLA, /* opcode */
+ "pla", /* mnemonic */
+ 1, /* size */
+ REG_NONE, /* use */
+ REG_A, /* chg */
+ OF_SETF /* flags */
+ },
+ { OP65_PLP, /* opcode */
+ "plp", /* mnemonic */
+ 1, /* size */
+ REG_NONE, /* use */
+ REG_NONE, /* chg */
+ OF_NONE /* flags */
+ },
+ { OP65_PLX, /* opcode */
+ "plx", /* mnemonic */
+ 1, /* size */
+ REG_NONE, /* use */
+ REG_X, /* chg */
+ OF_SETF /* flags */
+ },
+ { OP65_PLY, /* opcode */
+ "ply", /* mnemonic */
+ 1, /* size */
+ REG_NONE, /* use */
+ REG_Y, /* chg */
+ OF_SETF /* flags */
+ },
+ { OP65_ROL, /* opcode */
+ "rol", /* mnemonic */
+ 0, /* size */
+ REG_NONE, /* use */
+ REG_NONE, /* chg */
+ OF_SETF | OF_NOIMP /* flags */
+ },
+ { OP65_ROR, /* opcode */
+ "ror", /* mnemonic */
+ 0, /* size */
+ REG_NONE, /* use */
+ REG_NONE, /* chg */
+ OF_SETF | OF_NOIMP /* flags */
},
/* Mark RTI as "uses all registers but doesn't change them", so the
* optimizer won't remove preceeding loads.
*/
- { OP65_RTI, /* opcode */
- "rti", /* mnemonic */
- 1, /* size */
- REG_AXY, /* use */
- REG_NONE, /* chg */
- OF_RET /* flags */
- },
- { OP65_RTS, /* opcode */
- "rts", /* mnemonic */
- 1, /* size */
- REG_NONE, /* use */
- REG_NONE, /* chg */
- OF_RET /* flags */
- },
- { OP65_SBC, /* opcode */
- "sbc", /* mnemonic */
- 0, /* size */
- REG_A, /* use */
- REG_A, /* chg */
- OF_SETF /* flags */
- },
- { OP65_SEC, /* opcode */
- "sec", /* mnemonic */
- 1, /* size */
- REG_NONE, /* use */
- REG_NONE, /* chg */
- OF_NONE /* flags */
- },
- { OP65_SED, /* opcode */
- "sed", /* mnemonic */
- 1, /* size */
- REG_NONE, /* use */
- REG_NONE, /* chg */
- OF_NONE /* flags */
- },
- { OP65_SEI, /* opcode */
- "sei", /* mnemonic */
- 1, /* size */
- REG_NONE, /* use */
- REG_NONE, /* chg */
- OF_NONE /* flags */
- },
- { OP65_STA, /* opcode */
- "sta", /* mnemonic */
- 0, /* size */
- REG_A, /* use */
- REG_NONE, /* chg */
- OF_STORE /* flags */
- },
- { OP65_STX, /* opcode */
- "stx", /* mnemonic */
- 0, /* size */
- REG_X, /* use */
- REG_NONE, /* chg */
- OF_STORE /* flags */
- },
- { OP65_STY, /* opcode */
- "sty", /* mnemonic */
- 0, /* size */
- REG_Y, /* use */
- REG_NONE, /* chg */
- OF_STORE /* flags */
- },
- { OP65_STZ, /* opcode */
- "stz", /* mnemonic */
- 0, /* size */
- REG_NONE, /* use */
- REG_NONE, /* chg */
- OF_STORE /* flags */
- },
- { OP65_TAX, /* opcode */
- "tax", /* mnemonic */
- 1, /* size */
- REG_A, /* use */
- REG_X, /* chg */
- OF_XFR | OF_SETF /* flags */
- },
- { OP65_TAY, /* opcode */
- "tay", /* mnemonic */
- 1, /* size */
- REG_A, /* use */
- REG_Y, /* chg */
- OF_XFR | OF_SETF /* flags */
- },
- { OP65_TRB, /* opcode */
- "trb", /* mnemonic */
- 0, /* size */
- REG_A, /* use */
- REG_NONE, /* chg */
- OF_SETF /* flags */
- },
- { OP65_TSB, /* opcode */
- "tsb", /* mnemonic */
- 0, /* size */
- REG_A, /* use */
- REG_NONE, /* chg */
- OF_SETF /* flags */
- },
- { OP65_TSX, /* opcode */
- "tsx", /* mnemonic */
- 1, /* size */
- REG_NONE, /* use */
- REG_X, /* chg */
- OF_XFR | OF_SETF /* flags */
- },
- { OP65_TXA, /* opcode */
- "txa", /* mnemonic */
- 1, /* size */
- REG_X, /* use */
- REG_A, /* chg */
- OF_XFR | OF_SETF /* flags */
- },
- { OP65_TXS, /* opcode */
- "txs", /* mnemonic */
- 1, /* size */
- REG_X, /* use */
- REG_NONE, /* chg */
- OF_XFR /* flags */
- },
- { OP65_TYA, /* opcode */
- "tya", /* mnemonic */
- 1, /* size */
- REG_Y, /* use */
- REG_A, /* chg */
- OF_XFR | OF_SETF /* flags */
+ { OP65_RTI, /* opcode */
+ "rti", /* mnemonic */
+ 1, /* size */
+ REG_AXY, /* use */
+ REG_NONE, /* chg */
+ OF_RET /* flags */
+ },
+ { OP65_RTS, /* opcode */
+ "rts", /* mnemonic */
+ 1, /* size */
+ REG_NONE, /* use */
+ REG_NONE, /* chg */
+ OF_RET /* flags */
+ },
+ { OP65_SBC, /* opcode */
+ "sbc", /* mnemonic */
+ 0, /* size */
+ REG_A, /* use */
+ REG_A, /* chg */
+ OF_SETF /* flags */
+ },
+ { OP65_SEC, /* opcode */
+ "sec", /* mnemonic */
+ 1, /* size */
+ REG_NONE, /* use */
+ REG_NONE, /* chg */
+ OF_NONE /* flags */
+ },
+ { OP65_SED, /* opcode */
+ "sed", /* mnemonic */
+ 1, /* size */
+ REG_NONE, /* use */
+ REG_NONE, /* chg */
+ OF_NONE /* flags */
+ },
+ { OP65_SEI, /* opcode */
+ "sei", /* mnemonic */
+ 1, /* size */
+ REG_NONE, /* use */
+ REG_NONE, /* chg */
+ OF_NONE /* flags */
+ },
+ { OP65_STA, /* opcode */
+ "sta", /* mnemonic */
+ 0, /* size */
+ REG_A, /* use */
+ REG_NONE, /* chg */
+ OF_STORE /* flags */
+ },
+ { OP65_STX, /* opcode */
+ "stx", /* mnemonic */
+ 0, /* size */
+ REG_X, /* use */
+ REG_NONE, /* chg */
+ OF_STORE /* flags */
+ },
+ { OP65_STY, /* opcode */
+ "sty", /* mnemonic */
+ 0, /* size */
+ REG_Y, /* use */
+ REG_NONE, /* chg */
+ OF_STORE /* flags */
+ },
+ { OP65_STZ, /* opcode */
+ "stz", /* mnemonic */
+ 0, /* size */
+ REG_NONE, /* use */
+ REG_NONE, /* chg */
+ OF_STORE /* flags */
+ },
+ { OP65_TAX, /* opcode */
+ "tax", /* mnemonic */
+ 1, /* size */
+ REG_A, /* use */
+ REG_X, /* chg */
+ OF_XFR | OF_SETF /* flags */
+ },
+ { OP65_TAY, /* opcode */
+ "tay", /* mnemonic */
+ 1, /* size */
+ REG_A, /* use */
+ REG_Y, /* chg */
+ OF_XFR | OF_SETF /* flags */
+ },
+ { OP65_TRB, /* opcode */
+ "trb", /* mnemonic */
+ 0, /* size */
+ REG_A, /* use */
+ REG_NONE, /* chg */
+ OF_SETF /* flags */
+ },
+ { OP65_TSB, /* opcode */
+ "tsb", /* mnemonic */
+ 0, /* size */
+ REG_A, /* use */
+ REG_NONE, /* chg */
+ OF_SETF /* flags */
+ },
+ { OP65_TSX, /* opcode */
+ "tsx", /* mnemonic */
+ 1, /* size */
+ REG_NONE, /* use */
+ REG_X, /* chg */
+ OF_XFR | OF_SETF /* flags */
+ },
+ { OP65_TXA, /* opcode */
+ "txa", /* mnemonic */
+ 1, /* size */
+ REG_X, /* use */
+ REG_A, /* chg */
+ OF_XFR | OF_SETF /* flags */
+ },
+ { OP65_TXS, /* opcode */
+ "txs", /* mnemonic */
+ 1, /* size */
+ REG_X, /* use */
+ REG_NONE, /* chg */
+ OF_XFR /* flags */
+ },
+ { OP65_TYA, /* opcode */
+ "tya", /* mnemonic */
+ 1, /* size */
+ REG_Y, /* use */
+ REG_A, /* chg */
+ OF_XFR | OF_SETF /* flags */
},
};
/*****************************************************************************/
-/* Code */
+/* Code */
/*****************************************************************************/
char Mnemo[sizeof (OPCTable[0].Mnemo)];
Len = strlen (M);
if (Len >= sizeof (OPCTable[0].Mnemo)) {
- /* Invalid length means invalid opcode */
- return 0;
+ /* Invalid length means invalid opcode */
+ return 0;
}
for (I = 0; I < Len; ++I) {
- Mnemo[I] = tolower (M[I]);
+ Mnemo[I] = tolower (M[I]);
}
Mnemo[I] = '\0';
/* Search for the mnemonic in the table and return the result */
return bsearch (Mnemo, OPCTable, OP65_COUNT,
- sizeof (OPCTable[0]), FindCmp );
+ sizeof (OPCTable[0]), FindCmp );
}
/* Get the opcode desc and check the size given there */
const OPCDesc* D = &OPCTable[OPC];
if (D->Size != 0) {
- return D->Size;
+ return D->Size;
}
/* Check the addressing mode. */
switch (AM) {
- case AM65_IMP: return 1;
- case AM65_ACC: return 1;
- case AM65_IMM: return 2;
- case AM65_ZP: return 2;
- case AM65_ZPX: return 2;
- case AM65_ABS: return 3;
- case AM65_ABSX: return 3;
- case AM65_ABSY: return 3;
- case AM65_ZPX_IND: return 2;
- case AM65_ZP_INDY: return 2;
- case AM65_ZP_IND: return 2;
- default:
- Internal ("Invalid addressing mode");
- return 0;
+ case AM65_IMP: return 1;
+ case AM65_ACC: return 1;
+ case AM65_IMM: return 2;
+ case AM65_ZP: return 2;
+ case AM65_ZPX: return 2;
+ case AM65_ABS: return 3;
+ case AM65_ABSX: return 3;
+ case AM65_ABSY: return 3;
+ case AM65_ZPX_IND: return 2;
+ case AM65_ZP_INDY: return 2;
+ case AM65_ZP_IND: return 2;
+ default:
+ Internal ("Invalid addressing mode");
+ return 0;
}
}
{
/* Check the addressing mode. */
switch (AM) {
- case AM65_ACC: return REG_A;
- case AM65_ZPX: return REG_X;
- case AM65_ABSX: return REG_X;
- case AM65_ABSY: return REG_Y;
- case AM65_ZPX_IND: return REG_X;
- case AM65_ZP_INDY: return REG_Y;
- default: return REG_NONE;
+ case AM65_ACC: return REG_A;
+ case AM65_ZPX: return REG_X;
+ case AM65_ABSX: return REG_X;
+ case AM65_ABSY: return REG_Y;
+ case AM65_ZPX_IND: return REG_X;
+ case AM65_ZP_INDY: return REG_Y;
+ default: return REG_NONE;
}
}
/* Return a branch that reverse the condition of the branch given in OPC */
{
switch (OPC) {
- case OP65_BCC: return OP65_BCS;
- case OP65_BCS: return OP65_BCC;
- case OP65_BEQ: return OP65_BNE;
- case OP65_BMI: return OP65_BPL;
- case OP65_BNE: return OP65_BEQ;
- case OP65_BPL: return OP65_BMI;
- case OP65_BVC: return OP65_BVS;
- case OP65_BVS: return OP65_BVC;
- case OP65_JCC: return OP65_JCS;
- case OP65_JCS: return OP65_JCC;
- case OP65_JEQ: return OP65_JNE;
- case OP65_JMI: return OP65_JPL;
- case OP65_JNE: return OP65_JEQ;
- case OP65_JPL: return OP65_JMI;
- case OP65_JVC: return OP65_JVS;
- case OP65_JVS: return OP65_JVC;
- default:
- Internal ("GetInverseBranch: Invalid opcode: %d", OPC);
- return 0;
+ case OP65_BCC: return OP65_BCS;
+ case OP65_BCS: return OP65_BCC;
+ case OP65_BEQ: return OP65_BNE;
+ case OP65_BMI: return OP65_BPL;
+ case OP65_BNE: return OP65_BEQ;
+ case OP65_BPL: return OP65_BMI;
+ case OP65_BVC: return OP65_BVS;
+ case OP65_BVS: return OP65_BVC;
+ case OP65_JCC: return OP65_JCS;
+ case OP65_JCS: return OP65_JCC;
+ case OP65_JEQ: return OP65_JNE;
+ case OP65_JMI: return OP65_JPL;
+ case OP65_JNE: return OP65_JEQ;
+ case OP65_JPL: return OP65_JMI;
+ case OP65_JVC: return OP65_JVS;
+ case OP65_JVS: return OP65_JVC;
+ default:
+ Internal ("GetInverseBranch: Invalid opcode: %d", OPC);
+ return 0;
}
}
*/
{
switch (OPC) {
- case OP65_BCC:
- case OP65_JCC: return OP65_BCC;
- case OP65_BCS:
- case OP65_JCS: return OP65_BCS;
- case OP65_BEQ:
- case OP65_JEQ: return OP65_BEQ;
- case OP65_BMI:
- case OP65_JMI: return OP65_BMI;
- case OP65_BNE:
- case OP65_JNE: return OP65_BNE;
- case OP65_BPL:
- case OP65_JPL: return OP65_BPL;
- case OP65_BVC:
- case OP65_JVC: return OP65_BVC;
- case OP65_BVS:
- case OP65_JVS: return OP65_BVS;
- case OP65_BRA:
- case OP65_JMP: return (CPUIsets[CPU] & CPU_ISET_65SC02)? OP65_BRA : OP65_JMP;
- default:
- Internal ("MakeShortBranch: Invalid opcode: %d", OPC);
- return 0;
+ case OP65_BCC:
+ case OP65_JCC: return OP65_BCC;
+ case OP65_BCS:
+ case OP65_JCS: return OP65_BCS;
+ case OP65_BEQ:
+ case OP65_JEQ: return OP65_BEQ;
+ case OP65_BMI:
+ case OP65_JMI: return OP65_BMI;
+ case OP65_BNE:
+ case OP65_JNE: return OP65_BNE;
+ case OP65_BPL:
+ case OP65_JPL: return OP65_BPL;
+ case OP65_BVC:
+ case OP65_JVC: return OP65_BVC;
+ case OP65_BVS:
+ case OP65_JVS: return OP65_BVS;
+ case OP65_BRA:
+ case OP65_JMP: return (CPUIsets[CPU] & CPU_ISET_65SC02)? OP65_BRA : OP65_JMP;
+ default:
+ Internal ("MakeShortBranch: Invalid opcode: %d", OPC);
+ return 0;
}
}
*/
{
switch (OPC) {
- case OP65_BCC:
- case OP65_JCC: return OP65_JCC;
- case OP65_BCS:
- case OP65_JCS: return OP65_JCS;
- case OP65_BEQ:
- case OP65_JEQ: return OP65_JEQ;
- case OP65_BMI:
- case OP65_JMI: return OP65_JMI;
- case OP65_BNE:
- case OP65_JNE: return OP65_JNE;
- case OP65_BPL:
- case OP65_JPL: return OP65_JPL;
- case OP65_BVC:
- case OP65_JVC: return OP65_JVC;
- case OP65_BVS:
- case OP65_JVS: return OP65_JVS;
- case OP65_BRA:
- case OP65_JMP: return OP65_JMP;
- default:
- Internal ("MakeLongBranch: Invalid opcode: %d", OPC);
- return 0;
+ case OP65_BCC:
+ case OP65_JCC: return OP65_JCC;
+ case OP65_BCS:
+ case OP65_JCS: return OP65_JCS;
+ case OP65_BEQ:
+ case OP65_JEQ: return OP65_JEQ;
+ case OP65_BMI:
+ case OP65_JMI: return OP65_JMI;
+ case OP65_BNE:
+ case OP65_JNE: return OP65_JNE;
+ case OP65_BPL:
+ case OP65_JPL: return OP65_JPL;
+ case OP65_BVC:
+ case OP65_JVC: return OP65_JVC;
+ case OP65_BVS:
+ case OP65_JVS: return OP65_JVS;
+ case OP65_BRA:
+ case OP65_JMP: return OP65_JMP;
+ default:
+ Internal ("MakeLongBranch: Invalid opcode: %d", OPC);
+ return 0;
}
}
/* Get the condition for the conditional branch in OPC */
{
switch (OPC) {
- case OP65_BCC: return BC_CC;
- case OP65_BCS: return BC_CS;
- case OP65_BEQ: return BC_EQ;
- case OP65_BMI: return BC_MI;
- case OP65_BNE: return BC_NE;
- case OP65_BPL: return BC_PL;
- case OP65_BVC: return BC_VC;
- case OP65_BVS: return BC_VS;
- case OP65_JCC: return BC_CC;
- case OP65_JCS: return BC_CS;
- case OP65_JEQ: return BC_EQ;
- case OP65_JMI: return BC_MI;
- case OP65_JNE: return BC_NE;
- case OP65_JPL: return BC_PL;
- case OP65_JVC: return BC_VC;
- case OP65_JVS: return BC_VS;
- default:
- Internal ("GetBranchCond: Invalid opcode: %d", OPC);
- return 0;
+ case OP65_BCC: return BC_CC;
+ case OP65_BCS: return BC_CS;
+ case OP65_BEQ: return BC_EQ;
+ case OP65_BMI: return BC_MI;
+ case OP65_BNE: return BC_NE;
+ case OP65_BPL: return BC_PL;
+ case OP65_BVC: return BC_VC;
+ case OP65_BVS: return BC_VS;
+ case OP65_JCC: return BC_CC;
+ case OP65_JCS: return BC_CS;
+ case OP65_JEQ: return BC_EQ;
+ case OP65_JMI: return BC_MI;
+ case OP65_JNE: return BC_NE;
+ case OP65_JPL: return BC_PL;
+ case OP65_JVC: return BC_VC;
+ case OP65_JVS: return BC_VS;
+ default:
+ Internal ("GetBranchCond: Invalid opcode: %d", OPC);
+ return 0;
}
}
/* Return the inverse condition of the given one */
{
switch (BC) {
- case BC_CC: return BC_CS;
- case BC_CS: return BC_CC;
- case BC_EQ: return BC_NE;
- case BC_MI: return BC_PL;
- case BC_NE: return BC_EQ;
- case BC_PL: return BC_MI;
- case BC_VC: return BC_VS;
- case BC_VS: return BC_VC;
- default:
- Internal ("GetInverseCond: Invalid condition: %d", BC);
- return 0;
+ case BC_CC: return BC_CS;
+ case BC_CS: return BC_CC;
+ case BC_EQ: return BC_NE;
+ case BC_MI: return BC_PL;
+ case BC_NE: return BC_EQ;
+ case BC_PL: return BC_MI;
+ case BC_VC: return BC_VS;
+ case BC_VS: return BC_VC;
+ default:
+ Internal ("GetInverseCond: Invalid condition: %d", BC);
+ return 0;
}
}
projects / cc65 / blobdiff