"TASM 6502 Assembler. " /**************************************************************************** /* $Id: tasm65.tab 1.1 1993/07/31 01:12:40 toma Exp $ /**************************************************************************** /* This is the instruction set definition table for the 6502 version of TASM. /* Thomas N. Anderson, Speech Technology Incorported, June 1987. /* Note that there are two classes of extended instructions beyond /* the standard set. The classes are assigned bits as follows: /* bit 0 = standard set /* bit 1 = extended instructions for R65C02 /* bit 2 = extended instructions for R65C00/21 /* /*INSTR ARGS OPCODE BYTES MOD CLASS SHIFT OR */ /*-------------------------------------------*/ ADC #* 69 2 NOP 1 ADC (*,X) 61 2 NOP 1 ADC (*),Y 71 2 NOP 1 ADC (*) 72 2 NOP 2 ADC *,X 7D 3 ZP 1 ADC *,Y 79 3 NOP 1 ADC * 6D 3 ZP 1 AND #* 29 2 NOP 1 AND (*,X) 21 2 NOP 1 AND (*),Y 31 2 NOP 1 AND (*) 32 2 NOP 2 AND *,X 3D 3 ZP 1 AND *,Y 39 3 NOP 1 AND * 2D 3 ZP 1 ASL A 0A 1 NOP 1 ASL *,X 1E 3 ZP 1 ASL * 0E 3 ZP 1 BBR0 *,* 0f 3 CR 6 BBR1 *,* 1f 3 CR 6 BBR2 *,* 2f 3 CR 6 BBR3 *,* 3f 3 CR 6 BBR4 *,* 4f 3 CR 6 BBR5 *,* 5f 3 CR 6 BBR6 *,* 6f 3 CR 6 BBR7 *,* 7f 3 CR 6 BBS0 *,* 8f 3 CR 6 BBS1 *,* 9f 3 CR 6 BBS2 *,* af 3 CR 6 BBS3 *,* bf 3 CR 6 BBS4 *,* cf 3 CR 6 BBS5 *,* df 3 CR 6 BBS6 *,* ef 3 CR 6 BBS7 *,* ff 3 CR 6 BCC * 90 2 R1 1 BCS * B0 2 R1 1 BEQ * F0 2 R1 1 BMI * 30 2 R1 1 BNE * D0 2 R1 1 BPL * 10 2 R1 1 BRA * 80 2 R1 6 BVC * 50 2 R1 1 BVS * 70 2 R1 1 BIT #* 89 2 NOP 2 BIT *,X 3C 3 ZP 2 BIT * 2C 3 ZP 1 BRK "" 00 1 NOP 1 CLC "" 18 1 NOP 1 CLD "" D8 1 NOP 1 CLI "" 58 1 NOP 1 CLV "" B8 1 NOP 1 CMP #* C9 2 NOP 1 CMP (*,X) C1 2 NOP 1 CMP (*),Y D1 2 NOP 1 CMP (*) D2 2 NOP 2 CMP *,X DD 3 ZP 1 CMP *,Y D9 3 NOP 1 CMP * CD 3 ZP 1 CPX #* E0 2 NOP 1 CPX * EC 3 ZP 1 CPY #* C0 2 NOP 1 CPY * CC 3 ZP 1 DEC A 3A 1 NOP 2 DEC *,X DE 3 ZP 1 DEC * CE 3 ZP 1 DEX "" CA 1 NOP 1 DEY "" 88 1 NOP 1 EOR #* 49 2 NOP 1 EOR (*,X) 41 2 NOP 1 EOR (*),Y 51 2 NOP 1 EOR (*) 52 2 NOP 2 EOR *,X 5D 3 ZP 1 EOR *,Y 59 3 NOP 1 EOR * 4D 3 ZP 1 INC A 1A 1 NOP 2 INC *,X FE 3 ZP 1 INC * EE 3 ZP 1 INX "" E8 1 NOP 1 INY "" C8 1 NOP 1 JMP (*,X) 7C 3 NOP 2 JMP (*) 6C 3 NOP 1 JMP * 4C 3 NOP 1 JSR * 20 3 NOP 1 LDA #* A9 2 NOP 1 LDA (*,X) A1 2 NOP 1 LDA (*),Y B1 2 NOP 1 LDA (*) B2 2 NOP 2 LDA *,X BD 3 ZP 1 LDA *,Y B9 3 NOP 1 LDA * AD 3 ZP 1 LDX #* A2 2 NOP 1 LDX *,Y BE 3 ZP 1 LDX * AE 3 ZP 1 LDY #* A0 2 NOP 1 LDY *,X BC 3 ZP 1 LDY * AC 3 ZP 1 LSR A 4A 1 NOP 1 LSR *,X 5E 3 ZP 1 LSR * 4E 3 ZP 1 MUL "" 02 1 NOP 4 /* R65C00/21 only*/ NOP "" EA 1 NOP 1 ORA #* 09 2 NOP 1 ORA (*,X) 01 2 NOP 1 ORA (*),Y 11 2 NOP 1 ORA (*) 12 2 NOP 2 ORA *,X 1D 3 ZP 1 ORA *,Y 19 3 NOP 1 ORA * 0D 3 ZP 1 PHA "" 48 1 NOP 1 PHP "" 08 1 NOP 1 PHX "" DA 1 NOP 6 PHY "" 5A 1 NOP 6 PLA "" 68 1 NOP 1 PLP "" 28 1 NOP 1 PLX "" FA 1 NOP 6 PLY "" 7A 1 NOP 6 RMB0 * 07 2 NOP 6 RMB1 * 17 2 NOP 6 RMB2 * 27 2 NOP 6 RMB3 * 37 2 NOP 6 RMB4 * 47 2 NOP 6 RMB5 * 57 2 NOP 6 RMB6 * 67 2 NOP 6 RMB7 * 77 2 NOP 6 ROL A 2A 1 NOP 1 ROL *,X 3E 3 ZP 1 ROL * 2E 3 ZP 1 ROR A 6A 1 NOP 1 ROR *,X 7E 3 ZP 1 ROR * 6E 3 ZP 1 RTI "" 40 1 NOP 1 RTS "" 60 1 NOP 1 SBC #* E9 2 NOP 1 SBC (*,X) E1 2 NOP 1 SBC (*),Y F1 2 NOP 1 SBC (*) F2 2 NOP 2 SBC *,X FD 3 ZP 1 SBC *,Y F9 3 NOP 1 SBC * ED 3 ZP 1 SEC "" 38 1 NOP 1 SED "" F8 1 NOP 1 SEI "" 78 1 NOP 1 SMB0 * 87 2 NOP 6 SMB1 * 97 2 NOP 6 SMB2 * a7 2 NOP 6 SMB3 * b7 2 NOP 6 SMB4 * c7 2 NOP 6 SMB5 * d7 2 NOP 6 SMB6 * e7 2 NOP 6 SMB7 * f7 2 NOP 6 STA (*,X) 81 2 NOP 1 STA (*),Y 91 2 NOP 1 STA (*) 92 2 NOP 2 STA *,X 9D 3 ZP 1 STA *,Y 99 3 NOP 1 STA * 8D 3 ZP 1 STX *,Y 96 2 ZP 1 STX * 8E 3 ZP 1 STY *,X 94 2 NOP 1 STY * 8C 3 ZP 1 STZ *,X 9e 3 ZP 2 STZ * 9c 3 ZP 2 TAX "" AA 1 NOP 1 TAY "" A8 1 NOP 1 TRB * 1c 3 ZP 2 TSB * 0c 3 ZP 2 TSX "" BA 1 NOP 1 TXA "" 8A 1 NOP 1 TXS "" 9A 1 NOP 1 TYA "" 98 1 NOP 1