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[转]z80指令集  

2008-03-28 21:12:12|  分类: GB\GBC资料 |  标签: |举报 |字号 订阅

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Z80指令集

[size=2][b]|Mnemonic |SZHPNC|Description |Notes | 
|----------+------+---------------------+----------------------| 
|ADC A,s |***V0*|Add with Carry |A=A+s+CY | 
|ADC HL,ss |**?V0*|Add with Carry |HL=HL+ss+CY | 
|ADD A,s |***V0*|Add |A=A+s | 
|ADD HL,ss |--?-0*|Add |HL=HL+ss | 
|ADD IX,pp |--?-0*|Add |IX=IX+pp | 
|ADD IY,rr |--?-0*|Add |IY=IY+rr | 
|AND s |***P00|Logical AND |A=A&s | 
|BIT b,m |?*1?0-|Test Bit |m&{2^b} | 
|CALL cc,nn|------|Conditional Call |If cc CALL | 
|CALL nn |------|Unconditional Call |-[SP]=PC,PC=nn | 
|CCF |--?-0*|Complement Carry Flag|CY=~CY | 
|CP s |***V1*|Compare |A-s | 
|CPD |****1-|Compare and Decrement|A-[HL],HL=HL-1,BC=BC-1| 
|CPDR |****1-|Compare, Dec., Repeat|CPD till A=[HL]or BC=0| 
|CPI |****1-|Compare and Increment|A-[HL],HL=HL+1,BC=BC-1| 
|CPIR |****1-|Compare, Inc., Repeat|CPI till A=[HL]or BC=0| 
|CPL |--1-1-|Complement |A=~A | 
|DAA |***P-*|Decimal Adjust Acc. |A=BCD format | 
|DEC s |***V1-|Decrement |s=s-1 | 
|DEC xx |------|Decrement |xx=xx-1 | 
|DEC ss |------|Decrement |ss=ss-1 | 
|DI |------|Disable Interrupts | | 
|DJNZ e |------|Dec., Jump Non-Zero |B=B-1 till B=0 | 
|EI |------|Enable Interrupts | | 
|EX [SP],HL|------|Exchange |[SP]HL | 
|EX [SP],xx|------|Exchange |[SP]xx | 
|EX AF,AF' |------|Exchange |AFAF' | 
|EX DE,HL |------|Exchange |DEHL | 
|EXX |------|Exchange |qqqq' (except AF)| 
|HALT |------|Halt | | 
|IM n |------|Interrupt Mode | (n=0,1,2)| 
|IN A,[n] |------|Input |A=[n] | 
|IN r,[C] |***P0-|Input |r=[C] | 
|INC r |***V0-|Increment |r=r+1 | 
|INC [HL] |***V0-|Increment |[HL]=[HL]+1 | 
|INC xx |------|Increment |xx=xx+1 | 
|INC [xx+d]|***V0-|Increment |[xx+d]=[xx+d]+1 | 
|INC ss |------|Increment |ss=ss+1 | 
|IND |?*??1-|Input and Decrement |[HL]=[C],HL=HL-1,B=B-1| 
|INDR |?1??1-|Input, Dec., Repeat |IND till B=0 | 
|INI |?*??1-|Input and Increment |[HL]=[C],HL=HL+1,B=B-1| 
|INIR |?1??1-|Input, Inc., Repeat |INI till B=0 | 
|JP [HL] |------|Unconditional Jump |PC=[HL] | 
|JP [xx] |------|Unconditional Jump |PC=[xx] | 
|JP nn |------|Unconditional Jump |PC=nn | 
|JP cc,nn |------|Conditional Jump |If cc JP | 
|JR e |------|Unconditional Jump |PC=PC+e | 
|JR cc,e |------|Conditional Jump |If cc JR(cc=C,NC,NZ,Z)| 
|LD dst,src|------|Load |dst=src | 
|LD A,i |**0*0-|Load |A=i (i=I,R)| 
|LDD |--0*0-|Load and Decrement |[DE]=[HL],HL=HL-1,# | 
|LDDR |--000-|Load, Dec., Repeat |LDD till BC=0 | 
|LDI |--0*0-|Load and Increment |[DE]=[HL],HL=HL+1,# | 
|LDIR |--000-|Load, Inc., Repeat |LDI till BC=0 | 
|NEG |***V1*|Negate |A=-A | 
|NOP |------|No Operation | | 
|OR s |***P00|Logical inclusive OR |A=Avs | 
|OTDR |?1??1-|Output, Dec., Repeat |OUTD till B=0 | 
|OTIR |?1??1-|Output, Inc., Repeat |OUTI till B=0 | 
|OUT [C],r |------|Output |[C]=r | 
|OUT [n],A |------|Output |[n]=A | 
|OUTD |?*??1-|Output and Decrement |[C]=[HL],HL=HL-1,B=B-1| 
|OUTI |?*??1-|Output and Increment |[C]=[HL],HL=HL+1,B=B-1| 
|POP xx |------|Pop |xx=[SP]+ | 
|POP qq |------|Pop |qq=[SP]+ | 
|PUSH xx |------|Push |-[SP]=xx | 
|PUSH qq |------|Push |-[SP]=qq | 
|RES b,m |------|Reset bit |m=m&{~2^b} | 
|RET |------|Return |PC=[SP]+ | 
|RET cc |------|Conditional Return |If cc RET | 
|RETI |------|Return from Interrupt|PC=[SP]+ | 
|RETN |------|Return from NMI |PC=[SP]+ | 
|RL m |**0P0*|Rotate Left |m={CY,m}{CY,m} | 
|RRA |--0-0*|Rotate Right Acc. |A=->{CY,A} | 
|RRC m |**0P0*|Rotate Right Circular|m=->m | 
|RRCA |--0-0*|Rotate Right Circular|A=->A | 
|RRD |**0P0-|Rotate Right 4 bits |{A,[HL]}=->{A,[HL]} ##| 
|RST p |------|Restart | (p=0H,8H,10H,...,38H)| 
|SBC A,s |***V1*|Subtract with Carry |A=A-s-CY | 
|SBC HL,ss |**?V1*|Subtract with Carry |HL=HL-ss-CY | 
|SCF |--0-01|Set Carry Flag |CY=1 | 
|SET b,m |------|Set bit |m=mv{2^b} | 
|SLA m |**0P0*|Shift Left Arithmetic|m=m*2 | 
|SRA m |**0P0*|Shift Right Arith. |m=m/2 | 
|SRL m |**0P0*|Shift Right Logical |m=->{0,m,CY} | 
|SUB s |***V1*|Subtract |A=A-s | 
|XOR s |***P00|Logical Exclusive OR |A=Axs | 
|----------+------+--------------------------------------------| 
| F |-*01? |Flag unaffected/affected/reset/set/unknown | 
| S |S |Sign flag (Bit 7) | 
| Z | Z |Zero flag (Bit 6) | 
| HC | H |Half Carry flag (Bit 4) | 
| P/V | P |Parity/Overflow flag (Bit 2, V=overflow) | 
| N | N |Add/Subtract flag (Bit 1) | 
| CY | C|Carry flag (Bit 0) | 
|-----------------+--------------------------------------------| 
| n |Immediate addressing | 
| nn |Immediate extended addressing | 
| e |Relative addressing (PC=PC+2+offset) | 
| [nn] |Extended addressing | 
| [xx+d] |Indexed addressing | 
| r |Register addressing | 
| [rr] |Register indirect addressing | 
| |Implied addressing | 
| b |Bit addressing | 
| p |Modified page zero addressing (see RST) | 
|-----------------+--------------------------------------------| 
|DEFB n(,...) |Define Byte(s) | 
|DEFB 'str'(,...) |Define Byte ASCII string(s) | 
|DEFS nn |Define Storage Block | 
|DEFW nn(,...) |Define Word(s) | 
|-----------------+--------------------------------------------| 
| A B C D E |Registers (8-bit) | 
| AF BC DE HL |Register pairs (16-bit) | 
| F |Flag register (8-bit) | 
| I |Interrupt page address register (8-bit) | 
| IX IY |Index registers (16-bit) | 
| PC |Program Counter register (16-bit) | 
| R |Memory Refresh register | 
| SP |Stack Pointer register (16-bit) | 
|-----------------+--------------------------------------------| 
| b |One bit (0 to 7) | 
| cc |Condition (C,M,NC,NZ,P,PE,PO,Z) | 
| d |One-byte expression (-128 to +127) | 
| dst |Destination s, ss, [BC], [DE], [HL], [nn] | 
| e |One-byte expression (-126 to +129) | 
| m |Any register r, [HL] or [xx+d] | 
| n |One-byte expression (0 to 255) | 
| nn |Two-byte expression (0 to 65535) | 
| pp |Register pair BC, DE, IX or SP | 
| qq |Register pair AF, BC, DE or HL | 
| qq' |Alternative register pair AF, BC, DE or HL | 
| r |Register A, B, C, D, E, H or L | 
| rr |Register pair BC, DE, IY or SP | 
| s |Any register r, value n, [HL] or [xx+d] | 
| src |Source s, ss, [BC], [DE], [HL], nn, [nn] | 
| ss |Register pair BC, DE, HL or SP | 
| xx |Index register IX or IY | [/b]
[b][/b]
[b][/b]
[b]以上常用的需要的就看看吧。[/b]  [/size]

转载自宇宙论坛修改区

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