Changes
Z80
,/* Opcodes */
|CCF||4||1||--?-0*||3F||Complement Carry Flag||CY=~CY
|-
|CP r||4||1||rowspan=5|***V1*||B8+rb||rowspan=5|Compare||rowspan=5|Compare A-s
|-
|CP N||7||2||||FE XX
|-
|CP (HL)||7||1||||BE
|-
|CP (IX+N)||19||3||||DD BE XX
|-
|CP (IY+N)||19||3||||FD BE XX
|-
|CPD||16||2||****1-||ED A9||Compare and Decrement||A-(HL),HL=HL-1,BC=BC-1
|DAA||4||1||***P-*||27||Decimal Adjust Acc.||A=BCD format (dec.)
|- style="background:#efefef;"
|DEC A||4||1||rowspan=10|***V1-||3D||rowspan=10|Decrement (8-bit)||rowspan=10|s=s-1|- style="background:#efefef;"|DEC B||4||1||||05|- style="background:#efefef;"|DEC C||4||1||||0D|- style="background:#efefef;"|DEC D||4||1||||15|- style="background:#efefef;"|DEC E||4||1||||1D|- style="background:#efefef;"|DEC H||4||1||||25|- style="background:#efefef;"|DEC L||4||2||||2D|- style="background:#efefef;"|DEC (HL)||11||1||||35|- style="background:#efefef;"|DEC (IX+N)||23||3||||DD 35 XX|- style="background:#efefef;"|DEC (IY+N)||23||3||||FD 35 XX
|-
|DEC BC||6||1||------||0B||rowspan=4|Decrement (16-bit)||rowspan=4|ss=ss-1
