=== CPC Timings ===
{| class="wikitable sortable"
!Instruction
!µs
!Size
!I/O
|-
|ADC A, (HL)
|2
|1
|
|-
|ADC A, (IX/IY+d)
|5
|3
|
|-
|ADC A, A/B/C/D/E/H/L
|1
|1
|
|-
|ADC A, HX/LX/HY/LY
|2
|2
|
|-
|ADC A, d
|2
|2
|
|-
|ADD A, (HL)
|2
|1
|
|-
|ADD A, (IX/IY+d)
|5
|3
|
|-
|ADD A, A/B/C/D/E/H/L
|1
|1
|
|-
|ADD A, HX/LX/HY/LY
|2
|2
|
|-
|ADD A, d
|2
|2
|
|-
|ADD HL, BC/DE/HL/SP
|3
|1
|
|-
|ADD IX, BC/DE/HL/SP
|4
|2
|
|-
|ADD IY, BC/DE/HL/SP
|4
|2
|
|-
|AND A, (HL)
|2
|1
|
|-
|AND A, (IX/IY+d)
|5
|3
|
|-
|AND A, A/B/C/D/E/H/L
|1
|1
|
|-
|AND A, HX/LX/HY/LY
|2
|2
|
|-
|AND A, d
|2
|2
|
|-
|BIT x, (HL)
|3
|2
|
|-
|BIT x, (IX/IY+d)
|6
|4
|
|-
|BIT x, A/B/C/D/E/H/L
|2
|2
|
|-
|CALL cond,aa
|5/3
|3
|
|-
|CALL aa
|5
|3
|
|-
|CCF
|1
|1
|
|-
|CP A, (HL)
|2
|1
|
|-
|CP A, (IX/IY+d)
|5
|3
|
|-
|CP A, A/B/C/D/E/H/L
|1
|1
|
|-
|CP A, HX/LX/HY/LY
|2
|2
|
|-
|CP A,d
|2
|2
|
|-
|CPD
|4
|2
|
|-
|CPDR
|6/4
|2
|
|-
|CPIR
|6/4
|2
|
|-
|CPI
|4
|2
|
|-
|CPL
|1
|1
|
|-
|DAA
|1
|1
|
|-
|DEC (HL)
|3
|1
|
|-
|DEC (IX/IY+d)
|6
|3
|
|-
|DEC A/B/C/D/E/H/L
|1
|1
|
|-
|DEC HX/LX/HY/LY
|2
|2
|
|-
|DEC BC/DE/HL/SP
|2
|1
|
|-
|DEC IX/IY
|3
|2
|
|-
|DI
|1
|1
|
|-
|DJNZ
|4/3
|2
|
|-
|EI
|1
|1
|
|-
|EX (SP), HL
|6
|1
|
|-
|EX (SP), IX/IY
|7
|2
|
|-
|EX AF, AF’
|1
|1
|
|-
|EX DE, HL
|1
|1
|
|-
|EXX
|1
|1
|
|-
|HALT
|1
|1
|
|-
|IM m
|2
|2
|
|-
|IN A/B/C/D/E/H/L, (C)
|4
|2
|
|-
|IN A, (d)
|3
|2
|
|-
|IN F
|4
|2
|
|-
|INC (HL)
|3
|1
|
|-
|INC (IX/IY+d)
|6
|3
|
|-
|INC A/B/C/D/E/H/L
|1
|1
|
|-
|INC HX/LX/HY/LY
|2
|2
|
|-
|INC BC/DE/HL/SP
|2
|1
|
|-
|INC IX/IY
|3
|2
|
|-
|IND
|5
|2
|
|-
|INDR
|6/5
|2
|
|-
|INI
|5
|2
|
|-
|INIR
|6/5
|2
|
|-
|JP aa
|3
|3
|
|-
|JP cond, aa
|3
|3
|
|-
|JP HL
|1
|1
|
|-
|JP IX/IY
|2
|2
|
|-
|JR a
|3
|2
|
|-
|JR cond, a
|3/2
|2
|
|-
|LD (BC/DE), A
|2
|1
|
|-
|LD (HL), A/B/C/D/E/H/L
|2
|1
|
|-
|LD (HL),d
|3
|2
|
|-
|LD (IX/IY+d), A/B/C/D/E/H/L
|5
|3
|
|-
|LD (IX/IY+d), d’
|6
|4
|
|-
|LD (aa), A
|4
|3
|
|-
|LD (aa), BC/DE/SP/IX/IY
|6
|4
|
|-
|LD (aa), HL
|5
|3
|
|-
|LD A, (BC/DE)
|2
|1
|
|-
|LD A/B/C/D/E/H/L, (HL)
|2
|1
|
|-
|LD A/B/C/D/E/H/L, (IX/IY+d)
|5
|3
|
|-
|LD A,(aa)
|4
|3
|
|-
|LD A/B/C/D/E/H/L, A/B/C/D/E/H/L
|1
|1
|
|-
|LD A/B/C/D/E/H/L, d
|2
|2
|
|-
|LD HX/LX, A/B/C/D/E/HX/LX
|2
|3
|
|-
|LD HY/LY, A/B/C/D/E/HY/LY
|2
|3
|
|-
|LD BC/DE/HL/SP, dd
|3
|3
|
|-
|LD IX/IY, dd
|4
|4
|
|-
|LD SP, IX/IY
|3
|2
|
|-
|LD SP, HL
|2
|1
|
|-
| LD HX/LX/HY/LY, d
|3
|3
|
|-
|LD BC/DE/HL/SP/IX/IY, (aa)
|6
|4
|
|-
|LD HL, (aa)
|5
|3
|
|-
|LD I, A / LD A, I
|3
|2
|
|-
|LD R, A / LD A, R
|3
|2
|
|-
|LDD
|5
|2
|
|-
|LDDR
|6/5
|2
|
|-
|LDI
|5
|2
|
|-
|LDIR
|6/5
|2
|
|-
|NEG
|2
|2
|
|-
|NOP
|1
|1
|
|-
|OR A,(HL)
|2
|1
|
|-
|OR A,(IX/IY+d)
|5
|3
|
|-
|OR A, A/B/C/D/E/H/L
|1
|1
|
|-
|OR A, HX/LX/HY/LY
|2
|2
|
|-
|OR A,d
|2
|2
|
|-
|OTDR
|6/5
|2
|5*
|-
|OTIR
|6/5
|2
|5*
|-
|OUT (C), A/B/C/D/E/H/L
|4
|2
|3
|-
|OUT (C), 0
|4
|2
|3
|-
|OUT (d), A
|3
|2
|3
|-
|OUTD
|5
|2
|5*
|-
|OUTI
|5
|2
|5*
|-
|POP AF/BC/DE/HL
|3
|1
|
|-
|POP IX/IY
|4
|2
|
|-
|PUSH AF/BC/DE/HL
|4
|1
|
|-
|PUSH IX/IY
|5
|2
|
|-
|RES x, (HL)
|4
|2
|
|-
|RES x, (IX/IY+d)
|7
|4
|
|-
|RES x, (IX/IY+d), A/B/C/D/E/H/L
|7
|4
|
|-
|RES x, A/B/C/D/E/H/L
|2
|2
|
|-
|RET
|3
|1
|
|-
|RET cond
|4/2
|1
|
|-
|RETI
|4
|2
|
|-
|RETN
|4
|2
|
|-
|RL (HL)
|4
|2
|
|-
|RL (IX/IY+d)
|7
|4
|
|-
|RL (IX/IY+d), A/B/C/D/E/H/L
|7
|4
|
|-
|RL A/B/C/D/E/H/L
|2
|2
|
|-
|RLA
|1
|1
|
|-
|RLC (HL)
|4
|2
|
|-
|RLC (IX/IY+d)
|7
|4
|
|-
|RLC (IX/IY+d), A/B/C/D/E/H/L
|7
|4
|
|-
|RLC A/B/C/D/E/H/L
|2
|2
|
|-
|RLCA
|1
|1
|
|-
|RLD
|5
|2
|
|-
|RR (HL)
|4
|2
|
|-
|RR (IX/IY+d)
|7
|4
|
|-
|RR (IX/IY+d), A/B/C/D/E/H/L
|7
|4
|
|-
|RR A/B/C/D/E/H/L
|2
|2
|
|-
|RRA
|1
|1
|
|-
|RRC (HL)
|4
|2
|
|-
|RRC (IX/IY+d)
|7
|4
|
|-
|RRC (IX/IY+d), A/B/C/D/E/H/L
|7
|4
|
|-
|RRC A/B/C/D/E/H/L
|2
|2
|
|-
|RRCA
|1
|1
|
|-
|RRD
|5
|2
|
|-
|RST 0/8/10h/18h/20h/28h/30h/38h
|4
|1
|
|-
|SBC A, d
|2
|2
|
|-
|SBC A, (HL)
|2
|1
|
|-
|SBC A, (IX/IY+d)
|5
|3
|
|-
|SBC A, A/B/C/D/E/H/L
|1
|1
|
|-
|SBC A, HX/LX/HY/LY
|2
|2
|
|-
|SBC HL, BC/DE/HL/SP
|4
|2
|
|-
|SCF
|1
|1
|
|-
|SET x, (HL)
|4
|2
|
|-
|SET x, (IX/IY+d)
|7
|4
|
|-
|SET x, (IX/IY+d), A/B/C/D/E/H/L
|7
|4
|
|-
|SET x, A/B/C/D/E/H/L
|2
|2
|
|-
|SLA (HL)
|4
|2
|
|-
|SLA (IX/IY+d)
|7
|4
|
|-
|SLA (IX/IY+d), A/B/C/D/E/H/L
|7
|4
|
|-
|SLA A/B/C/D/E/H/L
|2
|2
|
|-
|SLL (HL)
|4
|2
|
|-
|SLL (IX/IY+d)
|7
|4
|
|-
|SLL (IX/IY+d), A/B/C/D/E/H/L
|7
|4
|
|-
|SLL A/B/C/D/E/H/L
|2
|2
|
|-
|SRA (HL)
|4
|2
|
|-
|SRA (IX/IY+d)
|7
|4
|
|-
|SRA (IX/IY+d), A/B/C/D/E/H/L
|7
|4
|
|-
|SRA A/B/C/D/E/H/L
|2
|2
|
|-
|SRL (HL)
|4
|2
|
|-
|SRL (IX/IY+d)
|7
|4
|
|-
|SRL (IX/IY+d), A/B/C/D/E/H/L
|7
|4
|
|-
|SRL A/B/C/D/E/H/L
|2
|2
|
|-
|SUB A,(HL)
|2
|1
|
|-
|SUB A, (IX/IY+d)
|5
|3
|
|-
|SUB A, A/B/C/D/E/H/L
|1
|1
|
|-
|SUB A, HX/LX/HY/LY
|2
|2
|
|-
|SUB A,d
|2
|2
|
|-
|XOR A, (HL)
|2
|1
|
|-
|XOR A, (IX/IY+d)
|5
|3
|
|-
|XOR A, A/B/C/D/E/H/L
|1
|1
|
|-
|XOR A, HX/LX/HY/LY
|2
|2
|
|-
|XOR A, d
|2
|2
|
|}
Note:
*x=[0..7], d=[0..ff], m=[0..2], aa=[0..ffff], a=[0..ff]
* * Some exceptions exist
[[Category:Hardware]][[Category:Programming]][[Category:Datasheet]][[Category:CPC Internal Components]]