Changes
Z80
,/* ROT group */
|-
! Instruction !! Opcode !! NOPs !! Cycles !! S !! Z !! 5 !! H !! 3 !! P !! N !! C !! Effect !! Description
|-
| rlca || 00000111 || 1 || 4 (4) || - || - || + || 0 || + || - || 0 || X || cf := a.7, a := [a << 1] + cf ||rowspan=5|Rotate Left Carry
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| rrca || 00001111 || 1 || 4 (4) || - || - || + || 0 || + || - || 0 || X || cf := a.0, a := [a >> 1] + [cf << 7] ||rowspan=5|Rotate Right Carry
|-
| rla || 00010111 || 1 || 4 (4) || - || - || + || 0 || + || - || 0 || X || ocf := cf, cf := a.7, a := [a << 1] + ocf ||rowspan=5|Rotate Left
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| rl (ixy+d)->r || 11i11101 11001011 dddddddd 00010rrr || 7 || 23 (4,4,3,5,4,3) || + || + || + || 0 || + || P || 0 || X || ocf := cf, cf := (ixy+d).7, (ixy+d) := r := [(ixy+d) << 1] + ocf
|-
| rlc r || 11001011 00000rrr || 2 || 8 (4,4) || + || + || + || 0 || + || P || 0 || X || cf := r.7, r := [r << 1] + cf
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| rr (ixy+d)->r || 11i11101 11001011 dddddddd 00011rrr || 7 || 23 (4,4,3,5,4,3) || + || + || + || 0 || + || P || 0 || X || ocf := cf, cf := (ixy+d).0, (ixy+d) := r := [(ixy+d) >> 1] + [ocf << 7]
|-
| rrc r || 11001011 00001rrr || 2 || 8 (4,4) || + || + || + || 0 || + || P || 0 || X || cf := r.0, r := [r >> 1] + [cf << 7]
