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9.2.2.3 CPU 6502 module

This module saves the core 6502 state. You will find a clock value there. All other modules save their own clock values relative to this value. However, the drive modules save their clocks relative to their appropriate CPUs of course.

TypeNameDescription
DWORDCLKthe current CPU clock value. All other clock values are relative to this.
BYTEACAccumulator
BYTEXRX index register
BYTEYRY index register
BYTESPStack Pointer
WORDPCProgramm Counter
BYTESTStatus Registers
DWORDLASTOPCODE?
DWORDIRQCLKabsolute CLK when the IRQ line came active
DOWRDNMICLKabsolute CLK when the NMI line came active
DWORD??
DWORD??