| Code: ----------------------------------------------------------- uCOM-87 Instruction set (uPD7800,uPD7801,uPD78C06) ----------------------------------------------------------- xx = Data (Byte) aa = Address (Byte) wa = Offset (Byte) Offset to V (vector "page" register) bbaa = Address (Word)
00 NOP 01 HLT 02 INX SP 03 DCX SP 04 aa bb LXI SP,bbaa 05 wa xx ANIW wa,xx 06 ---- 07 xx ANI A,xx 08 RET 09 SIO 0A MOV A,B 0B MOV A,C 0C MOV A,D 0D MOV A,E 0E MOV A,H 0F MOV A,L
10 EX 11 EXX 12 INX B (BC) 13 DCX B (BC) 14 aa bb LXI B,bbaa 15 wa xx ORIW wa,xx 16 xx XRI A,xx 17 xx ORI A,xx 18 RETS 19 STM 1A MOV B,A 1B MOV C,A 1C MOV D,A 1D MOV E,A 1E MOV H,A 1F MOV L,A
20 wa INRW wa 21 TABLE 22 INX D (DE) 23 DCX D (DE) 24 aa bb LXI D,bbaa 25 wa xx GTIW wa,xx 26 xx ADINC A,xx 27 xx GTI A,xx 28 wa LDAW wa 29 LDAX B (BC) 2A LDAX D (DE) 2B LDAX H (HL) 2C LDAX D+ (DE) 2D LDAX H+ (HL) 2E LDAX D- (DE) 2F LDAX H- (HL)
30 wa DCRW wa 31 BLOCK 32 INX H (HL) 33 DCX H (HL) 34 aa bb LXI H,bbaa 35 wa xx LTIW wa,xx 36 xx SUINB A,xx 37 xx LTI A,xx 38 wa STAW wa 39 STAX B (BC) 3A STAX D (DE) 3B STAX H (HL) 3C STAX D+ (DE) 3D STAX H+ (HL) 3E STAX D- (DE) 3F STAX H- (HL)
40 --- 41 INR A 42 INR B 43 INR C 44 aa bb CALL bbaa 45 wa xx ONIW wa,xx 46 xx ADI A,xx 47 xx ONI A,xx
48 00 SKIT F0 48 01 SKIT FT 48 02 SKIT F1 48 03 SKIT F2 48 04 SKIT FS 48 0A SK CY 48 0C SK Z 48 0E PUSH V 48 0F POP V 48 10 SKNIT F0 48 11 SKNIT FT 48 12 SKNIT F1 48 13 SKNIT F2 48 14 SKNIT FS 48 1A SKN CY 48 1C SKN Z 48 1E PUSH B (BC) 48 1F POP B (BC) 48 20 EI 48 24 DI 48 2A CLC 48 2B STC 48 2C PEN 48 2D PEX 48 2E PUSH D (DE) 48 2F POP D (DE) 48 30 RAL 48 31 RAR 48 32 RCL 48 33 RCR 48 34 SHAL 48 35 SHAR 48 36 SHCL 48 37 SHCR 48 38 RLD 48 39 RRD 48 3C PER 48 3E PUSH H (HL) 48 3F POP H (HL)
49 xx MVIX B,xx 4A xx MVIX D,xx 4B xx MVIX H,xx 4C 00....4C BF IN A,xx 4C C0 MOV A,PA 4C C1 MOV A,PB 4C C2 MOV A,PC 4C C3 MOV A,MK 4C C8 MOV A,S 4D 00....4D BF OUT xx 4D C0 MOV PA,A 4D C1 MOV PB,A 4D C2 MOV PC,A 4D C3 MOV MK,A 4D C4 MOV MB,A 4D C5 MOV MC,A 4D C6 MOV TM0,A 4D C7 MOV TM1,A 4D C8 MOV S,A 4E xx JRE +offset xx 4F xx JRE -offset (-xx)
50 --- 51 DCR A 52 DCR B 53 DCR C 54 aa bb JMP bbaa 55 wa xx OFFIW wa,xx 56 xx ACI xx 57 xx OFFI A,xx 58 wa BIT 0,wa 59 wa BIT 1,wa 5A wa BIT 2,wa 5B wa BIT 3,wa 5C wa BIT 4,wa 5D wa BIT 5,wa 5E wa BIT 6,wa 5F wa BIT 7,wa
60 08-0F ANA r,A (r = V,A,B,C,D,E,H,L) 60 10-17 XRA r,A 60 18-1F ORA r,A 60 20-27 ADDNC r,A 60 28-2F GTA r,A 60 30-37 SUBNB r,A 60 38-3F LTA r,A 60 40-47 ADD r,A 60 50-57 ADC r,A 60 60-67 SUB r,A 60 68-6F NEA r,A 60 70-7F SUB r,A 60 88-8F ANA r,A 60 90-97 XRA r,A 60 98-9F ORA r,A 60 A0-A7 ADDNC r,A 60 A8-AF GTA r,A 60 B0-B7 SUBNB r,A 60 B8-BF LTA r,A 60 C0-C7 ADD r,A 60 C8-CF ONA r,A 60 D0-D7 ADC r,A 60 D8-DF OFFA r,A 60 E0-E7 SUB r,A 60 E8-EF NEA r,A 60 F0-F7 SBB r,A 60 F7-FE EQA r,A
61 DAA 62 RETI 63 CALB
64 08-0F xx ANI r,xx (r = V,A,B,C,D,E,H,L) 64 10-17 xx XRI r,xx 64 18-1F xx ORI r,xx 64 20-27 xx ADINC r,xx 64 28-2F xx GTI r,xx 64 30-37 xx SUINB r,xx 64 38-3F xx LTI r,xx 64 40-47 xx ADI r,xx 64 48-4F xx ONI r,xx 64 50-57 xx ACI r,xx 64 58-5F xx OFFI r,xx 64 60-67 xx SUI r,xx 64 68-6F xx NEI r,xx 64 70-77 xx SBI r,xx 64 78-7F xx EQI r,xx
64 88-8B xx ANI r,xx (r = PA,PB,PC,MK) 64 90-93 xx XRI r,xx 64 98-9B xx ORI r,xx 64 A0-A3 xx ADINC r,xx 64 A8-AB xx GTI r,xx 64 B0-B3 xx SUINB r,xx 64 B8-BB xx LTI r,xx 64 C0-C3 xx ADI r,xx 64 C8-CB xx ONI r,xx 64 D0-D3 xx ACI r,xx 64 D8-DB xx OFFI r,xx 64 E0-E3 xx SUI r,xx 64 E8-EB xx NEI r,xx 64 F0-F3 xx SBI r,xx 64 F8-FB xx EQI r,xx
65 wa xx NEIW wa,xx 66 xx SUI A,xx 67 xx NEI A,xx 68 xx MVI V,xx 69 xx MVI A,xx 6A xx MVI B,xx 6B xx MVI C,xx 6C xx MVI D,xx 6D xx MVI E,xx 6E xx MVI H,xx 6F xx MVI L,xx
70 0E aa bb SSPD bbaa 70 0F aa bb LSPD bbaa 70 1E aa bb SBCD bbaa 70 1F aa bb LBCD bbaa 70 2E aa bb SDED bbaa 70 2F aa bb LDED bbaa 70 3E aa bb SHLD bbaa 70 3F aa bb LHLD bbaa
70 68 aa bb MOV V,bbaa 70 69 aa bb MOV A,bbaa 70 6A aa bb MOV B,bbaa 70 6B aa bb MOV C,bbaa 70 6C aa bb MOV D,bbaa 70 6D aa bb MOV E,bbaa 70 6E aa bb MOV H,bbaa 70 6F aa bb MOV L,bbaa
70 78 aa bb MOV aabb,V 70 79 aa bb MOV aabb,A 70 7A aa bb MOV aabb,B 70 7B aa bb MOV aabb,C 70 7C aa bb MOV aabb,D 70 7D aa bb MOV aabb,E 70 7E aa bb MOV aabb,H 70 7F aa bb MOV aabb,L
70 89-8F ANAX rpa (rpa = B,D,H,D+,H+,D-,H-) 70 91-97 XRAX rpa 70 99-9F ORAX rpa 70 A1-A7 ADDNCX rpa 70 A9-AF GTAX rpa 70 B1-B7 SUBNBX rpa 70 B9-BF LTAX rpa 70 C1-C7 ADDX rpa 70 C9-CF ONAX rpa 70 D1-D7 ADCX rpa 70 D9-DF OFFAX rpa 70 E1-E7 SUBX rpa 70 EA-EF NEAX rpa 70 F1-F7 SBBX rpa 70 F9-FF EQAX rpa
71 wa xx MVIW wa,xx 72 SOFTI 73 JB
74 88 ANAW wa 74 90 XRAW wa 74 98 ORAW wa 74 A0 ADDNCW wa 74 A8 GTAW wa 74 B0 SUBNBW wa 74 B8 LTAW wa 74 C0 ADDW wa 74 C8 ONAW wa 74 D0 ADCW wa 74 D8 OFFAW wa 74 E0 SUBW wa 74 E8 NEAW wa 74 F0 SBBW wa 74 F8 EQAW wa
75 wa xx EQIW wa,xx 76 xx SBI A,xx 77 xx EQI A,xx
78 aa...7F aa CALF (Opcode minus $70)aa
80 CALT 0080 81 CALT 0082 . . BE CALT 00FC BF CALT 00FE
C0...DF JR +offset (Opcode minus $C0) E0...FF JR -offset (-(Opcode minus $E0)) -----------------------------------------------------------
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