diff options
Diffstat (limited to 'opcode.h')
| -rw-r--r-- | opcode.h | 391 |
1 files changed, 9 insertions, 382 deletions
@@ -1,207 +1,24 @@ + #include <inttypes.h> #include <stdint.h> #include <stdio.h> #include <stdlib.h> #include <unistd.h> +#include "tables.h" + #define getclk 0 #define keypoll 0 -#define CPS 0x00 /* Clear Processor Status. */ -#define ADC 0x01 /* ADd with Carry. */ -#define AAB 0x02 /* Add Accumulator with carry by B register. */ -#define ADC_AB 0x04 /* ADC Absolute. */ -#define LDA_IN 0x05 /* LDA Indirect. */ -#define ADC_Z 0x06 /* ADC Zero Matrix. */ -#define PHP 0x08 /* PusH Processor status to stack. */ -#define CPB 0x09 /* ComPare B register. */ -#define PHB 0x0A /* PusH B register to stack. */ -#define DEC_AB 0x0C /* DEC Absolute. */ -#define DEC_Z 0x0D /* DEC Zero Matrix. */ -#define JMP_Z 0x0E /* JuMP to memory location. */ -#define JMP 0x10 /* JMP Absolute. */ -#define SBC 0x11 /* SuBtract with Carry. */ -#define SAB 0x12 /* Subtract Accumulator with carry by B register. */ -#define SBC_AB 0x14 /* SBC Absolute. */ -#define STA_IN 0x15 /* STA Indirect. */ -#define SBC_Z 0x16 /* SBC Zero Matrix. */ -#define ENT 0x18 /* ENd Threads. */ -#define CPY 0x19 /* ComPare Y register. */ -#define PLB 0x1A /* PuLl B register to stack. */ -#define INC_AB 0x1C /* INC Absolute. */ -#define INC_Z 0x1D /* INC Zero Matrix. */ -#define JSR 0x1E /* Jump to SubRoutine. */ -#define JSL 0x20 /* Jump to Subroutine Long. */ -#define AND 0x21 /* bitwise AND with accumulator. */ -#define ABA 0x22 /* bitwise And with Accumulator, and B register. */ -#define AND_AB 0x24 /* AND Absolute. */ -#define CMP_IN 0x25 /* CMP Indirect. */ -#define AND_Z 0x26 /* AND Zero Matrix. */ -#define PLP 0x28 /* PuLl Processor status from stack. */ -#define CPX 0x29 /* ComPare X register. */ -#define PHY 0x2A /* PusH Y register to stack. */ -#define CPB_AB 0x2C /* CPB Absolute. */ -#define CPB_Z 0x2D /* CPB Zero Matrix. */ -#define BPO_Z 0x2E /* Branch if POsitive. */ -#define BPO 0x30 /* BPO Absolute. */ -#define ORA 0x31 /* bitwise OR with Accumulator. */ -#define OAB 0x32 /* bitwise Or with Accumulator, and B register. */ -#define ORA_AB 0x34 /* ORA Absolute. */ -#define LDB_IN 0x35 /* LDB Indirect. */ -#define ORA_Z 0x36 /* ORA Zero Matrix. */ -#define STT 0x38 /* STart Threads. */ -#define LDA_ZY 0x39 /* LDA Zero Matrix, indexed with Y. */ -#define PLY 0x3A /* PuLl Y register from stack. */ -#define CPX_AB 0x3C /* CPX Absolute. */ -#define CPY_Z 0x3D /* CPY Zero Matrix. */ -#define BNG_Z 0x3E /* Branch if NeGative. */ -#define BNG 0x40 /* BNG Absolute. */ -#define XOR 0x41 /* bitwise XOR with accumulator. */ -#define XAB 0x42 /* bitwise Xor with Accumulator, and B register. */ -#define XOR_AB 0x44 /* XOR Absolute. */ -#define STB_IN 0x45 /* STB Indirect. */ -#define XOR_Z 0x46 /* XOR Zero Matrix. */ -#define PHA 0x48 /* PusH Accumulator to stack. */ -#define STA_ZY 0x49 /* STA Zero Matrix, indexed with Y. */ -#define PHX 0x4A /* PusH X register to stack. */ -#define CPY_AB 0x4C /* CPY Absolute. */ -#define CPX_Z 0x4D /* CPX Zero Matrix. */ -#define BCS_Z 0x4E /* Branch if Carry Set. */ -#define BCS 0x50 /* BCS Absolute. */ -#define LSL 0x51 /* Logical Shift Left. */ -#define LLB 0x52 /* Logical shift Left accumulator by B. */ -#define LSL_AB 0x54 /* LSL Absolute. */ -#define CPB_IN 0x55 /* CPB Indirect. */ -#define LSL_Z 0x56 /* LSL Zero Matrix. */ -#define CLC 0x58 /* CLear Carry flag. */ -#define LDB_ZY 0x59 /* LDB Zero Matrix, indexed with Y. */ -#define PLX 0x5A /* PuLl X register from stack. */ -#define LDA_IY 0x5C /* LDA Indirect Indexed. */ -#define LDA_IX 0x5D /* LDA Indexed Indirect. */ -#define BCC_Z 0x5E /* Branch if Carry Clear. */ -#define BCC 0x60 /* BCC Absolute. */ -#define LSR 0x61 /* Logical Shift Right. */ -#define LRB 0x62 /* Logical shift Right accumulator by B. */ -#define LSR_AB 0x64 /* LSR Absolute. */ -#define LDY_IN 0x65 /* LDY Indirect. */ -#define LSR_Z 0x66 /* LSR Zero Matrix. */ -#define PLA 0x68 /* PuLl Accumulator from stack. */ -#define STB_ZY 0x69 /* STB Zero Matrix, indexed with Y. */ -#define TAB 0x6A /* Transfer Accumulator to B. */ -#define STA_IY 0x6C /* STA Indirect Indexed. */ -#define STA_IX 0x6D /* STA Indexed Indirect. */ -#define BEQ_Z 0x6E /* Branch if EQual. */ -#define BEQ 0x70 /* BEQ Absolute. */ -#define ROL 0x71 /* ROtate Left. */ -#define RLB 0x72 /* Rotate Left accumulator by B. */ -#define ROL_AB 0x74 /* ROL Absolute. */ -#define STY_IN 0x75 /* STY Indirect. */ -#define ROL_Z 0x76 /* ROL Zero Matrix. */ -#define SEC 0x78 /* SEt Carry flag. */ -#define LDA_ZX 0x79 /* LDA Zero Matrix, indexed with X. */ -#define TBA 0x7A /* Transfer B to Accumulator. */ -#define CMP_IY 0x7C /* CMP Indirect Indexed. */ -#define CMP_IX 0x7D /* CMP Indexed Indirect. */ -#define BNE_Z 0x7E /* Branch if Not Equal. */ -#define BNE 0x80 /* BNE Absolute. */ -#define ROR 0x81 /* ROtate Right. */ -#define RRB 0x82 /* Rotate Right accumulator by B. */ -#define ROR_AB 0x84 /* ROR Absolute. */ -#define CPY_IN 0x85 /* CPY Indirect. */ -#define ROR_Z 0x86 /* ROR Zero Matrix. */ -#define DEY 0x88 /* DEcrement Y register. */ -#define STA_ZX 0x89 /* STA Zero Matrix, indexed with X. */ -#define TAY 0x8A /* Transfer Accumulator to Y. */ -#define LDB_IY 0x8C /* LDB Indirect Indexed. */ -#define LDB_IX 0x8D /* LDB Indexed Indirect. */ -#define BVS_Z 0x8E /* Branch if oVerflow Set. */ -#define BVS 0x90 /* BVS Absolute. */ -#define MUL 0x91 /* MULtiply accumulator. */ -#define MAB 0x92 /* Multiply Accumulator by B. */ -#define MUL_AB 0x94 /* MUL Absolute. */ -#define LDX_IN 0x95 /* LDX Indirect. */ -#define MUL_Z 0x96 /* MUL Zero Matrix. */ -#define CLI 0x98 /* CLear Interupt flag. */ -#define LDB_ZX 0x99 /* LDB Zero Matrix, indexed with X. */ -#define TYA 0x9A /* Transfer Y to Accumulator. */ -#define STB_IY 0x9C /* STB Indirect Indexed. */ -#define STB_IX 0x9D /* STB Indexed Indirect. */ -#define BVC_Z 0x9E /* Branch if oVerflow Clear. */ -#define BVC 0xA0 /* BVC Absolute. */ -#define DIV 0xA1 /* DIVide with accumulator. */ -#define DAB 0xA2 /* Divide Accumulator by B. */ -#define DIV_AB 0xA4 /* DIV Absolute. */ -#define STX_IN 0xA5 /* STX Indirect. */ -#define DIV_Z 0xA6 /* DIV Zero Matrix. */ -#define INY 0xA8 /* INcrement Y register. */ -#define STB_ZX 0xA9 /* STB Zero Matrix, indexed with X. */ -#define TAX 0xAA /* Transfer Accumulator to X. */ -#define CPB_IY 0xAC /* CPB Indirect Indexed. */ -#define CPB_IX 0xAD /* CPB Indexed Indirect. */ -#define RTS 0xAE /* ReTurn from Subroutine. */ -#define RTL 0xB0 /* ReTurn from subroutine Long. */ -#define CMP 0xB1 /* CoMPare accumulator. */ -#define CAB 0xB2 /* Compare Accumulator, and B. */ -#define CMP_AB 0xB4 /* CMP Absolute. */ -#define CPX_IN 0xB5 /* CPX Indirect. */ -#define CMP_Z 0xB6 /* CMP Zero Matrix. */ -#define SEI 0xB8 /* SEt Interupt flag. */ -#define LDX 0xB9 /* LoaD X register. */ -#define TXA 0xBA /* Transfer X to Accumulator. */ -#define LDX_AB 0xBC /* LDX Absolute. */ -#define LDX_Z 0xBD /* LDX Zero Matrix. */ -#define JSR_IN 0xBE /* JSR Indirect. */ -#define RTI 0xC0 /* ReTurn from Interrupt. */ -#define LDA 0xC1 /* LoaD Accumulator. */ -#define LDA_AB 0xC4 /* LDA Absolute. */ -#define DEX 0xC5 /* DEcrement X register. */ -#define LDA_Z 0xC6 /* LDA Zero Matrix. */ -#define CLV 0xC8 /* CLear oVerflow flag. */ -#define LDX_ZY 0xC9 /* LDX Zero Matrix, indexed with Y. */ -#define TYX 0xCA /* Transfer Y to X. */ -#define STA 0xCC /* STA Absolute. */ -#define STA_Z 0xCD /* STore Accumulator. */ -#define JMP_IN 0xCE /* JMP Indirect. */ -#define TSX 0xD0 /* Transfer Stack pointer to X. */ -#define LDB 0xD1 /* LoaD B register. */ -#define LDB_AB 0xD4 /* LDB Absolute. */ -#define INX 0xD5 /* INcrement X register. */ -#define LDB_Z 0xD6 /* LDB Zero Matrix. */ -#define WAI 0xD8 /* WAit for Interrupt. */ -#define STX_ZY 0xD9 /* STX Zero Matrix, indexed with Y. */ -#define TXY 0xDA /* Transfer X to Y. */ -#define STB 0xDC /* STB Absolute. */ -#define STB_Z 0xDD /* STore B register. */ -#define TXS 0xE0 /* Transfer X to Stack pointer. */ -#define LDY 0xE1 /* LoaD Y register. */ -#define LDY_AB 0xE4 /* LDY Absolute. */ -#define DEC 0xE5 /* DECrement accumulator. */ -#define LDY_Z 0xE6 /* LDY Zero Matrix. */ -#define BRK 0xE8 /* BReaK. */ -#define LDY_ZX 0xE9 /* LDY Zero Matrix, indexed with X. */ -#define NOP 0xEA /* No OPeration. */ -#define STY 0xEC /* STY Absolute. */ -#define STY_Z 0xED /* STore Y register. */ -#define DEB 0xEE /* Decrement B register. */ -#define ASR 0xF1 /* Arithmetic Shift Right. */ -#define ARB 0xF2 /* Arithmetic shift Right accumulator by B. */ -#define ASR_AB 0xF4 /* ASR Absolute. */ -#define INC 0xF5 /* INCrement accumulator. */ -#define ASR_Z 0xF6 /* ASR Zero Matrix. */ -#define STY_ZX 0xF9 /* STY Zero Matrix, indexed with X. */ -#define STX 0xFC /* STX Absolute. */ -#define STX_Z 0xFD /* STore X register. */ -#define INB 0xFE /* Increment B register. */ - #define OPNUM 90 -#define C ((uint64_t)1 << 0) -#define Z ((uint64_t)1 << 1) -#define I ((uint64_t)1 << 2) -#define V ((uint64_t)1 << 6) -#define N ((uint64_t)1 << 7) +#define C (1 << 0) /* Carry flag. */ +#define Z (1 << 1) /* Zero flag. */ +#define I (1 << 2) /* Interrupt flag. */ +#define V (1 << 6) /* oVerflow flag. */ +#define N (1 << 7) /* Negative flag. */ -uint8_t *addr; /* Address Space. */ +extern uint8_t *addr; /* Address Space. */ union reg { uint8_t u8[8]; @@ -219,194 +36,4 @@ struct sux { uint8_t crt; /* Current running threads. */ }; -enum {IMM, ZM, ZMX, ZMY, IND, INDX, INDY, ABS, IMPL}; - -static const uint8_t optype[0x100] = { - [0x00] = IMPL, - [0x01] = IMM, - [0x02] = IMPL, - [0x04] = ABS, - [0x05] = IND, - [0x06] = ZM, - [0x08] = IMM, - [0x09] = IMM, - [0x0A] = IMM, - [0x0C] = ABS, - [0x0D] = ZM, - [0x0E] = ZM, - [0x10] = ABS, - [0x11] = IMM, - [0x12] = IMPL, - [0x14] = ABS, - [0x15] = IND, - [0x16] = ZM, - [0x18] = IMM, - [0x19] = IMM, - [0x1A] = IMM, - [0x1C] = ABS, - [0x1D] = ZM, - [0x1E] = ZM, - [0x20] = ABS, - [0x21] = IMM, - [0x22] = IMPL, - [0x24] = ABS, - [0x25] = IND, - [0x26] = ZM, - [0x28] = IMM, - [0x29] = IMM, - [0x2A] = IMM, - [0x2C] = ABS, - [0x2D] = ZM, - [0x2E] = ZM, - [0x30] = ABS, - [0x31] = IMM, - [0x32] = IMPL, - [0x34] = ABS, - [0x35] = IND, - [0x36] = ZM, - [0x38] = IMM, - [0x39] = ZMY, - [0x3A] = IMM, - [0x3C] = ABS, - [0x3D] = ZM, - [0x3E] = ZM, - [0x40] = ABS, - [0x41] = IMM, - [0x42] = IMPL, - [0x44] = ABS, - [0x45] = IND, - [0x46] = ZM, - [0x48] = IMM, - [0x49] = ZMY, - [0x4A] = IMM, - [0x4C] = ABS, - [0x4D] = ZM, - [0x4E] = ZM, - [0x50] = ABS, - [0x51] = IMM, - [0x52] = IMPL, - [0x54] = ABS, - [0x55] = IND, - [0x56] = ZM, - [0x58] = IMPL, - [0x59] = ZMY, - [0x5A] = IMM, - [0x5C] = INDY, - [0x5D] = INDX, - [0x5E] = ZM, - [0x60] = ABS, - [0x61] = IMM, - [0x62] = IMPL, - [0x64] = ABS, - [0x65] = IND, - [0x66] = ZM, - [0x68] = IMM, - [0x69] = ZMY, - [0x6A] = IMPL, - [0x6C] = INDY, - [0x6D] = INDX, - [0x6E] = ZM, - [0x70] = ABS, - [0x71] = IMM, - [0x72] = IMPL, - [0x74] = ABS, - [0x75] = IND, - [0x76] = ZM, - [0x78] = IMPL, - [0x79] = ZMX, - [0x7A] = IMPL, - [0x7C] = INDY, - [0x7D] = INDX, - [0x7E] = ZM, - [0x80] = ABS, - [0x81] = IMM, - [0x82] = IMPL, - [0x84] = ABS, - [0x85] = IND, - [0x86] = ZM, - [0x88] = IMPL, - [0x89] = ZMX, - [0x8A] = IMPL, - [0x8C] = INDY, - [0x8D] = INDX, - [0x8E] = ZM, - [0x90] = ABS, - [0x91] = IMM, - [0x92] = IMPL, - [0x94] = ABS, - [0x95] = IND, - [0x96] = ZM, - [0x98] = IMPL, - [0x99] = ZMX, - [0x9A] = IMPL, - [0x9C] = INDY, - [0x9D] = INDX, - [0x9E] = ZM, - [0xA0] = ABS, - [0xA1] = IMM, - [0xA2] = IMPL, - [0xA4] = ABS, - [0xA5] = IND, - [0xA6] = ZM, - [0xA8] = IMPL, - [0xA9] = ZMX, - [0xAA] = IMPL, - [0xAC] = INDY, - [0xAD] = INDX, - [0xAE] = IMPL, - [0xB0] = IMPL, - [0xB1] = IMM, - [0xB2] = IMPL, - [0xB4] = ABS, - [0xB5] = IND, - [0xB6] = ZM, - [0xB8] = IMPL, - [0xB9] = IMM, - [0xBA] = IMPL, - [0xBC] = ABS, - [0xBD] = ZM, - [0xBE] = IND, - [0xC0] = IMPL, - [0xC1] = IMM, - [0xC4] = ABS, - [0xC5] = IMPL, - [0xC6] = ZM, - [0xC8] = IMPL, - [0xC9] = ZMY, - [0xCA] = IMPL, - [0xCC] = ABS, - [0xCD] = ZM, - [0xCE] = IND, - [0xD0] = IMPL, - [0xD1] = IMM, - [0xD4] = ABS, - [0xD5] = IMPL, - [0xD6] = ZM, - [0xD8] = IMPL, - [0xD9] = ZMY, - [0xDA] = IMPL, - [0xDC] = ABS, - [0xDD] = ZM, - [0xE0] = IMM, - [0xE1] = IMM, - [0xE4] = ABS, - [0xE5] = IMPL, - [0xE6] = ZM, - [0xE8] = IMPL, - [0xE9] = ZMX, - [0xEA] = IMPL, - [0xEC] = ABS, - [0xED] = ZM, - [0xEE] = IMPL, - [0xF1] = IMM, - [0xF2] = IMPL, - [0xF4] = ABS, - [0xF5] = IMPL, - [0xF6] = ZM, - [0xF9] = ZMX, - [0xFC] = ABS, - [0xFD] = ZM, - [0xFE] = IMPL -}; - extern int asmmon(); |