Z80State Class

Definition

Represents the state of a Z80 processor, including registers, flags, and memory.

public abstract class Z80State

Name	Description
FlagC	Gets the carry flag, C.
FlagH	Gets the half-carry flag, H.
FlagN	Gets the add/subtract flag, N.
FlagPV	Gets the parity/overflow flag, P/V.
FlagS	Gets the sign flag, S.
FlagX	Gets the undocumented X flag, bit 3 of the F register.
FlagY	Gets the undocumented Y flag, bit 5 of the F register.
FlagZ	Gets the zero flag, Z.
Halted	Gets whether the CPU is in the halted state.
IFF1	Gets the IFF1 interrupt flip-flop.
IFF2	Gets the IFF2 interrupt flip-flop.
IM	Gets the interrupt mode.
Memory	Gets the memory state.
RegisterA	Gets the A register.
RegisterAF	Gets the AF register pair.
RegisterBC	Gets the BC register pair.
RegisterDE	Gets the DE register pair.
RegisterF	Gets the F register.
RegisterHL	Gets the HL register pair.
RegisterI	Gets the I register.
RegisterIX	Gets the IX register pair.
RegisterIY	Gets the IY register pair.
RegisterPC	Gets the PC register.
RegisterQ	Gets the internal Q register.
RegisterR	Gets the R register.
RegisterSP	Gets the SP register.
RegisterWZ	Gets the internal WZ register, sometimes called MEMPTR.
ShadowRegisterAF	Gets the AF' register pair.
ShadowRegisterBC	Gets the BC' register pair.
ShadowRegisterDE	Gets the DE' register pair.
ShadowRegisterHL	Gets the HL' register pair.

Last modified: 13 July 2025