ActionRequired Enum
Definition
Describes the external action that the host must perform for the current CPU cycle.
public enum ActionRequired
Fields
| Name | Description |
|---|---|
IORead |
The host must read a byte from an I/O port. |
IOWrite |
The host must write a byte to an I/O port. |
MemoryRead |
The host must read a byte from memory. |
MemoryWrite |
The host must write a byte to memory. |
NextRegisterWrite |
The host must write Data to the Next register numbered by the low byte of Address. |
None |
No external action is required. |
OpcodeRead |
The host must read an opcode byte from memory. |