----------------------------------------------------------------
|Mnemonic |Op|SZAPC|~s|Description |Notes
|
|---------+--+-----+--+--------------------------+-------------|
|ACI n |CE|*****| 7|Add with Carry Immediate |A=A+n+CY |
|ADC r |8F|*****| 4|Add with Carry |A=A+r+CY(21X)|
|ADC M |8E|*****| 7|Add with Carry to Memory |A=A+[HL]+CY |
|ADD r |87|*****| 4|Add |A=A+r (20X)|
|ADD M |86|*****| 7|Add to Memory |A=A+[HL] |
|ADI n |C6|*****| 7|Add Immediate |A=A+n |
|ANA r |A7|****0| 4|AND Accumulator |A=A&r (24X)|
|ANA M |A6|****0| 7|AND Accumulator and Memory|A=A&[HL] |
|ANI n |E6|**0*0| 7|AND Immediate |A=A&n |
|CALL a |CD|-----|18|Call unconditional |-[SP]=PC,PC=a|
|CC a |DC|-----| 9|Call on Carry |If CY=1(18~s)|
|CM a |FC|-----| 9|Call on Minus |If S=1 (18~s)|
|CMA |2F|-----| 4|Complement Accumulator |A=~A |
|CMC |3F|----*| 4|Complement Carry |CY=~CY |
|CMP r |BF|*****| 4|Compare |A-r (27X)|
|CMP M |BF|*****| 7|Compare with Memory |A-[HL] |
|CNC a |D4|-----| 9|Call on No Carry |If CY=0(18~s)|
|CNZ a |C4|-----| 9|Call on No Zero |If Z=0 (18~s)|
|CP a |F4|-----| 9|Call on Plus |If S=0 (18~s)|
|CPE a |EC|-----| 9|Call on Parity Even |If P=1 (18~s)|
|CPI n |FE|*****| 7|Compare Immediate |A-n |
|CPO a |E4|-----| 9|Call on Parity Odd |If P=0 (18~s)|
|CZ a |CC|-----| 9|Call on Zero |If Z=1 (18~s)|
|DAA |27|*****| 4|Decimal Adjust Accumulator|A=BCD format |
|DAD B |09|----*|10|Double Add BC to HL |HL=HL+BC |
|DAD D |19|----*|10|Double Add DE to HL |HL=HL+DE |
|DAD H |29|----*|10|Double Add HL to HL |HL=HL+HL |
|DAD SP |39|----*|10|Double Add SP to HL |HL=HL+SP |
|DCR r |3D|****-| 4|Decrement |r=r-1 (0X5)|
|DCR M |35|****-|10|Decrement Memory |[HL]=[HL]-1 |
|DCX B |0B|-----| 6|Decrement BC |BC=BC-1 |
|DCX D |1B|-----| 6|Decrement DE |DE=DE-1 |
|DCX H |2B|-----| 6|Decrement HL |HL=HL-1 |
|DCX SP |3B|-----| 6|Decrement Stack Pointer |SP=SP-1 |
|DI |F3|-----| 4|Disable Interrupts | |
|EI |FB|-----| 4|Enable Interrupts | |
|HLT |76|-----| 5|Halt | |
|IN p |DB|-----|10|Input |A=[p] |
|INR r |3C|****-| 4|Increment |r=r+1 (0X4)|
|INR M |3C|****-|10|Increment Memory |[HL]=[HL]+1 |
|INX B |03|-----| 6|Increment BC |BC=BC+1 |
|INX D |13|-----| 6|Increment DE |DE=DE+1 |
|INX H |23|-----| 6|Increment HL |HL=HL+1 |
|INX SP |33|-----| 6|Increment Stack Pointer |SP=SP+1 |
|JMP a |C3|-----| 7|Jump unconditional |PC=a |
|JC a |DA|-----| 7|Jump on Carry |If CY=1(10~s)|
|JM a |FA|-----| 7|Jump on Minus |If S=1 (10~s)|
|JNC a |D2|-----| 7|Jump on No Carry |If CY=0(10~s)|
|JNZ a |C2|-----| 7|Jump on No Zero |If Z=0 (10~s)|
|JP a |F2|-----| 7|Jump on Plus |If S=0 (10~s)|
|JPE a |EA|-----| 7|Jump on Parity Even |If P=1 (10~s)|
|JPO a |E2|-----| 7|Jump on Parity Odd |If P=0 (10~s)|
|JZ a |CA|-----| 7|Jump on Zero |If Z=1 (10~s)|
|LDA a |3A|-----|13|Load Accumulator direct |A=[a] |
|LDAX B |0A|-----| 7|Load Accumulator indirect |A=[BC] |
|LDAX D |1A|-----| 7|Load Accumulator indirect |A=[DE] |
|LHLD a |2A|-----|16|Load HL Direct |HL=[a] |
|LXI B,nn |01|-----|10|Load Immediate BC |BC=nn |
|LXI D,nn |11|-----|10|Load Immediate DE |DE=nn |
|LXI H,nn |21|-----|10|Load Immediate HL |HL=nn |
|LXI SP,nn|31|-----|10|Load Immediate Stack Ptr |SP=nn |
|MOV r1,r2|7F|-----| 4|Move register to register |r1=r2 (1XX)|
|MOV M,r |77|-----| 7|Move register to Memory |[HL]=r (16X)|
|MOV r,M |7E|-----| 7|Move Memory to register |r=[HL] (1X6)|
|MVI r,n |3E|-----| 7|Move Immediate |r=n (0X6)|
|MVI M,n |36|-----|10|Move Immediate to Memory |[HL]=n |
|NOP |00|-----| 4|No Operation | |
|ORA r |B7|**0*0| 4|Inclusive OR Accumulator |A=Avr (26X)|
|ORA M |B6|**0*0| 7|Inclusive OR Accumulator |A=Av[HL] |
|ORI n |F6|**0*0| 7|Inclusive OR Immediate |A=Avn |
|OUT p |D3|-----|10|Output |[p]=A |
|PCHL |E9|-----| 6|Jump HL indirect |PC=[HL] |
|POP B |C1|-----|10|Pop BC |BC=[SP]+ |
|POP D |D1|-----|10|Pop DE |DE=[SP]+ |
|POP H |E1|-----|10|Pop HL |HL=[SP]+ |
|POP PSW |F1|-----|10|Pop Processor Status Word |{PSW,A}=[SP]+|
----------------------------------------------------------------
----------------------------------------------------------------
|Mnemonic |Op|SZAPC|~s|Description |Notes |
|---------+--+-----+--+--------------------------+-------------|
|PUSH B |C5|-----|12|Push BC |-[SP]=BC |
|PUSH D |D5|-----|12|Push DE |-[SP]=DE |
|PUSH H |E5|-----|12|Push HL |-[SP]=HL |
|PUSH PSW |F5|-----|12|Push Processor Status Word|-[SP]={PSW,A}|
|RAL |17|----*| 4|Rotate Accumulator Left |A={CY,A}<- |
|RAR |1F|----*| 4|Rotate Accumulator Righ |A=->{CY,A} |
|RET |C9|-----|10|Return |PC=[SP]+ |
|RC |D8|-----| 6|Return on Carry |If CY=1(12~s)|
|RIM |20|-----| 4|Read Interrupt Mask |A=mask |
|RM |F8|-----| 6|Return on Minus |If S=1 (12~s)|
|RNC |D0|-----| 6|Return on No Carry |If CY=0(12~s)|
|RNZ |C0|-----| 6|Return on No Zero |If Z=0 (12~s)|
|RP |F0|-----| 6|Return on Plus |If S=0 (12~s)|
|RPE |E8|-----| 6|Return on Parity Even |If P=1 (12~s)|
|RPO |E0|-----| 6|Return on Parity Odd |If P=0 (12~s)|
|RZ |C8|-----| 6|Return on Zero |If Z=1 (12~s)|
|RLC |07|----*| 4|Rotate Left Circular |A=A<- |
|RRC |0F|----*| 4|Rotate Right Circular |A=->A |
|RST z |C7|-----|12|Restart (3X7)|-[SP]=PC,PC=z|
|SBB r |9F|*****| 4|Subtract with Borrow |A=A-r-CY |
|SBB M |9E|*****| 7|Subtract with Borrow |A=A-[HL]-CY |
|SBI n |DE|*****| 7|Subtract with Borrow Immed|A=A-n-CY |
|SHLD a |22|-----|16|Store HL Direct |[a]=HL |
|SIM |30|-----| 4|Set Interrupt Mask |mask=A |
|SPHL |F9|-----| 6|Move HL to SP |SP=HL |
|STA a |32|-----|13|Store Accumulator |[a]=A |
|STAX B |02|-----| 7|Store Accumulator indirect|[BC]=A |
|STAX D |12|-----| 7|Store Accumulator indirect|[DE]=A |
|STC |37|----1| 4|Set Carry |CY=1 |
|SUB r |97|*****| 4|Subtract |A=A-r (22X)|
|SUB M |96|*****| 7|Subtract Memory |A=A-[HL] |
|SUI n |D6|*****| 7|Subtract Immediate |A=A-n |
|XCHG |EB|-----| 4|Exchange HL with DE |HL<->DE |
|XRA r |AF|**0*0| 4|Exclusive OR Accumulator |A=Axr (25X)|
|XRA M |AE|**0*0| 7|Exclusive OR Accumulator |A=Ax[HL] |
|XRI n |EE|**0*0| 7|Exclusive OR Immediate |A=Axn |
|XTHL |E3|-----|16|Exchange stack Top with HL|[SP]<->HL |
|------------+-----+--+----------------------------------------|
| PSW |-*01 | |Flag unaffected/affected/reset/set |
| S |S | |Sign (Bit 7) |
| Z | Z | |Zero (Bit 6) |
| AC | A | |Auxilary Carry (Bit 4) |
| P | P | |Parity (Bit 2) |
| CY | C| |Carry (Bit 0) |
|---------------------+----------------------------------------|
| a p |Direct addressing |
| M z |Register indirect addressing |
| n nn |Immediate addressing |
| r |Register addressing |
|---------------------+----------------------------------------|
|DB n(,n) |Define Byte(s) |
|DB 'string' |Define Byte ASCII character string |
|DS nn |Define Storage Block |
|DW nn(,nn) |Define Word(s) |
|---------------------+----------------------------------------|
| A B C D E H L |Registers (8-bit) |
| BC DE HL |Register pairs (16-bit) |
| PC |Program Counter register (16-bit) |
| PSW |Processor Status Word (8-bit) |
| SP |Stack Pointer register (16-bit) |
|---------------------+----------------------------------------|
| a nn |16-bit address/data (0 to 65535) |
| n p |8-bit data/port (0 to 255) |
| r |Register (X=B,C,D,E,H,L,M,A) |
| z |Vector (X=0H,8H,10H,18H,20H,28H,30H,38H)|
|---------------------+----------------------------------------|
| + - |Arithmetic addition/subtraction |
| & ~ |Logical AND/NOT |
| v x |Logical inclusive/exclusive OR |
| <- -> |Rotate left/right |
| <-> |Exchange |
| [ ] |Indirect addressing |
| [ ]+ -[ ] |Indirect address auto-inc/decrement |
| { } |Combination operands |
| ( X ) |Octal op code where X is a 3-bit code |
| If ( ~s) |Number of cycles if condition true |
--------------------------------------------------------------
