Changes
Z80
,/* Internal state */
Also note that while POP AF and EX AF,AF' modify F, they do not compute new flag values.
The explanation above is just a simplificationan approximation. Latest research on the subject (May 2024) show that '''SCF/CCF instructions are unstable'''. [https://github.com/hoglet67/Z80Decoder/wiki/Unstable-CCF-SCF-Behaviour Source]
|-
| IR (Instruction Register) || 8-bit || Holds the opcode of the currently executing instruction || Internally used, not accessible by the programmer
