CPU registers¶

CPU registers and MMU

The full Z80 state at the paused instruction:

AF BC DE HL and the alternate set AF' BC' DE' HL'
IX IY SP PC
I, R, IFF (shown as IFF1/IFF2) and the interrupt mode IM
Flags — S Z H PV N C, green and bold when set, grey when clear
State — Running, or HALTED in red when the CPU is in a HALT
Screen — which bank the ULA is displaying (Bank 5 or Bank 7), plus the Timex mode when one is active (Alt, HiCol, HiRes)

All values are read-only here; to change memory or a NextREG use the Memory or NextREG panels.