102 lines
2.0 KiB
C++
102 lines
2.0 KiB
C++
#include "stdafx.h"
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#include "../Assembler.h"
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#include "ScriptAPI.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",
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"at",
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"v0",
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"v1",
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"a0",
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"a1",
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"a2",
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"a3",
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"t0",
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"t1",
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"t2",
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"t3",
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"t4",
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"t5",
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"t6",
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"t7",
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"s0",
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"s1",
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"s2",
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"s3",
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"s4",
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"s5",
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"s6",
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"s7",
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"t8",
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"t9",
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"k0",
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"k1",
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"gp",
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"sp",
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"fp",
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"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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