68 lines
2.1 KiB
JavaScript
68 lines
2.1 KiB
JavaScript
import { ASM, $load, $store } from '../asm.js';
|
|
import { assemble } from './assembler.js';
|
|
|
|
export const rTmp = 12;
|
|
export const fTmp = 12;
|
|
|
|
/**
|
|
* @typedef {Parameters<import('./assembler.js').assemble>[0] extends (infer U)[] ? U : never} ASMInst
|
|
* @typedef {'GMSJ01'|'GMSJ0A'|'GMSE01'|'GMSP01'} GameVersion
|
|
* @typedef {{type: 'reg', num: number}} LoadDstReg
|
|
* @typedef {{type: 'stack', off: number}} LoadDstStack
|
|
* @typedef {LoadDstReg|LoadDstStack} LoadDst
|
|
* @typedef {{
|
|
* asm(version: GameVersion, dst: LoadDst): ASMInst[]
|
|
* dtype: 8|16|-16|32|-32|'float'
|
|
* calling: boolean
|
|
* }} Loader
|
|
*/
|
|
|
|
/**
|
|
* @param {Loader['dtype']} dtype
|
|
* @param {(reg: number, version: GameVersion)=>ASMInst[]} load
|
|
* @param {(rD: number, version: GameVersion)=>ASMInst[]} [postprocess]
|
|
* @returns {Loader['asm']}
|
|
*/
|
|
export const makeDirectLoaderASM = (dtype, load, postprocess) => (version, dst) => {
|
|
const { type } = dst;
|
|
if (type == 'reg') {
|
|
const { num } = dst;
|
|
return [...load(num, version), ...(postprocess?.(num, version) ?? [])];
|
|
} else {
|
|
const { num, st } =
|
|
dtype === 'float' ? { num: fTmp, st: ASM.stfd } : { num: rTmp, st: ASM.stw };
|
|
return [...load(num, version), ...(postprocess?.(num, version) ?? []), st(num, 1, dst.off)];
|
|
}
|
|
};
|
|
|
|
/**
|
|
* @param {Loader['dtype']} dtype
|
|
* @param {(version: GameVersion)=>ASMInst[]} load
|
|
* @returns {Loader['asm']}
|
|
*/
|
|
export const makeFunctionLoaderASM = (dtype, load) => (version, dst) => {
|
|
const { type } = dst;
|
|
const base = load(version);
|
|
if (type == 'reg') {
|
|
const { num } = dst;
|
|
if (dtype === 'float') {
|
|
return num === 1 ? base : [...base, ASM.fmr(num, 1)];
|
|
} else {
|
|
return num === 3 ? base : [...base, ASM.mr(num, 3)];
|
|
}
|
|
} else {
|
|
const { off } = dst;
|
|
return [...base, dtype === 'float' ? ASM.stfd(1, 1, off) : ASM.stw(3, 1, off)];
|
|
}
|
|
};
|
|
|
|
/**
|
|
* @param {Loader['dtype']} dtype
|
|
* @param {(version: GameVersion)=>ASMInst[]} load
|
|
* @returns {Loader}
|
|
*/
|
|
export const makeFunctionLoader = (dtype, load) => ({
|
|
dtype,
|
|
asm: makeFunctionLoaderASM(dtype, load),
|
|
calling: true,
|
|
});
|