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package cpu
import BitManipulation as bm
class Registers {
// General purpose registers
var B: Int = 0
set(value) {
bm.validateUnsigned8Bit(value)
field = value
}
var C: Int = 0
set(value) {
bm.validateUnsigned8Bit(value)
field = value
}
var D: Int = 0
set(value) {
bm.validateUnsigned8Bit(value)
field = value
}
var E: Int = 0
set(value) {
bm.validateUnsigned8Bit(value)
field = value
}
var H: Int = 0
set(value) {
bm.validateUnsigned8Bit(value)
field = value
}
var L: Int = 0
set(value) {
bm.validateUnsigned8Bit(value)
field = value
}
// Special registers
var A: Int = 0
set(value) {
bm.validateUnsigned8Bit(value)
field = value
}
var F: Int = 0
set(value) {
bm.validateUnsigned8Bit(value)
field = value
}
var SP: Int = 0
set(value) {
bm.validateUnsigned16Bit(value)
field = value
}
var PC: Int = 0
set(value) {
bm.validateUnsigned16Bit(value)
field = value
}
// 16-Bit accessors
var AF: Int
get() {
return bm.bytesToWord(A, F)
}
set(value) {
bm.validateUnsigned16Bit(value)
A = bm.getMsb(value)
F = bm.getLsb(value)
}
var BC: Int
get() {
return bm.bytesToWord(B, C)
}
set(value) {
bm.validateUnsigned16Bit(value)
B = bm.getMsb(value)
C = bm.getLsb(value)
}
var DE: Int
get() {
return bm.bytesToWord(D, E)
}
set(value) {
bm.validateUnsigned16Bit(value)
D = bm.getMsb(value)
E = bm.getLsb(value)
}
var HL: Int
get() {
return bm.bytesToWord(H, L)
}
set(value) {
bm.validateUnsigned16Bit(value)
H = bm.getMsb(value)
L = bm.getLsb(value)
}
}
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