73 lines
1.8 KiB
C++
73 lines
1.8 KiB
C++
#include <stdafx.h>
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#include "ScriptAPI.h"
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#include "../Assembler.h"
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#include <Project64-core/N64System/Mips/R4300iInstruction.h>
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void ScriptAPI::Define_asm(duk_context *ctx)
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{
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const DukPropListEntry props[] = {
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{ "gprname", DukCFunction(js_asm_gprname) },
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{ "encode", DukCFunction(js_asm_encode) },
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{ "decode", DukCFunction(js_asm_decode) },
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{ nullptr }
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};
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DefineGlobalInterface(ctx, "asm", props);
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}
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duk_ret_t ScriptAPI::js_asm_gprname(duk_context* ctx)
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{
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const char* names[32] = {
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"r0", "at", "v0", "v1", "a0", "a1", "a2", "a3",
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"t0", "t1", "t2", "t3", "t4", "t5", "t6", "t7",
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"s0", "s1", "s2", "s3", "s4", "s5", "s6", "s7",
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"t8", "t9", "k0", "k1", "gp", "sp", "fp", "ra"
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};
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CheckArgs(ctx, { Arg_Number });
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duk_uint_t idx = duk_get_uint(ctx, 0);
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if (idx < 32)
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{
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duk_push_string(ctx, names[idx]);
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}
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else
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{
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return DUK_RET_RANGE_ERROR;
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}
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return 1;
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}
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duk_ret_t ScriptAPI::js_asm_encode(duk_context* ctx)
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{
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CheckArgs(ctx, { Arg_String, Arg_OptNumber });
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const char *code = duk_get_string(ctx, 0);
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uint32_t address = duk_get_uint_default(ctx, 1, 0);
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// TODO: CAssembler's state is not thread safe.
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// CAssembler should be object-oriented
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uint32_t opcode;
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if (!CAssembler::AssembleLine(code, &opcode, address))
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{
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duk_push_error_object(ctx, DUK_ERR_ERROR, "ASM syntax error");
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duk_throw(ctx);
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}
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duk_push_uint(ctx, opcode);
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return 1;
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}
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duk_ret_t ScriptAPI::js_asm_decode(duk_context* ctx)
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{
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CheckArgs(ctx, { Arg_Number, Arg_OptNumber });
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uint32_t opcode = duk_get_uint(ctx, 0);
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uint32_t address = duk_get_uint_default(ctx, 1, 0);
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duk_push_string(ctx, R4300iInstruction(address, opcode).NameAndParam().c_str());
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return 1;
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}
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