mirror of
https://github.com/ariejan/i6502.git
synced 2024-06-08 18:29:33 +00:00
21 lines
489 B
Go
21 lines
489 B
Go
|
package bus
|
||
|
|
|
||
|
|
import (
|
||
|
|
"github.com/ariejan/i6502/memory"
|
||
|
|
)
|
||
|
|
|
||
|
|
// The AddressDecoder routes a full 16-bit address to the
|
||
|
|
// appropriate relatie Memory component address.
|
||
|
|
type OffsetMemory struct {
|
||
|
|
Offset uint16
|
||
|
|
memory.Memory
|
||
|
|
}
|
||
|
|
|
||
|
|
func (offsetMemory OffsetMemory) Read(address uint16) byte {
|
||
|
|
return offsetMemory.Memory.Read(address - offsetMemory.Offset)
|
||
|
|
}
|
||
|
|
|
||
|
|
func (offsetMemory OffsetMemory) Write(address uint16, value byte) {
|
||
|
|
offsetMemory.Memory.Write(address-offsetMemory.Offset, value)
|
||
|
|
}
|