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registers.ts
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registers.ts
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import {HexString} from "../types"
import {Constant, serializeConstant} from "./constant"
export enum RegisterId {
R4 = "R4",
R5 = "R5",
R6 = "R6",
R7 = "R7",
R8 = "R8",
R9 = "R9"
}
export function parseRegisterId(s: string): RegisterId | undefined {
switch (s) {
case "R4":
return RegisterId.R4
case "R5":
return RegisterId.R5
case "R6":
return RegisterId.R6
case "R7":
return RegisterId.R7
case "R8":
return RegisterId.R8
case "R9":
return RegisterId.R9
}
return undefined
}
export type Registers = {[key: string]: HexString}
export const EmptyRegisters: Readonly<Registers> = {}
export const AdditionalRegisters = [4, 5, 6, 7, 8, 9]
export function registers(regs: [RegisterId, Constant][]): Registers {
const acc: Registers = {}
for (const [id, value] of regs) acc[id] = serializeConstant(value)
return acc
}