use only c compiled platform (wip)
This commit is contained in:
162
main.c
162
main.c
@@ -92,19 +92,23 @@ void linkSystemFunctions(IM3Runtime runtime, IM3Module mod) {
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}
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}
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m3ApiRawFunction(platformTrampoline) {
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IM3Function func = (IM3Function)_ctx->userdata;
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uint32_t retCount = m3_GetRetCount(func);
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uint32_t argCount = m3_GetArgCount(func);
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const void* args[16];
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for(uint32_t i = 0; i < argCount; ++i) {
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args[i] = &_sp[retCount + i];
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}
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verifyM3(runtime, m3_Call(func, m3_GetArgCount(func), args));
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for(uint32_t i = 0; i < retCount; ++i) {
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args[i] = &_sp[i];
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}
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verifyM3(runtime, m3_GetResults(func, retCount, args));
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m3ApiRawFunction(callRandom) {
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_sp[0] = Z_platformZ_random((Z_platform_instance_t*)_ctx->userdata);
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m3ApiSuccess();
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}
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m3ApiRawFunction(callRandomf) {
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*(f32*)&_sp[0] = Z_platformZ_randomf((Z_platform_instance_t*)_ctx->userdata);
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m3ApiSuccess();
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}
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m3ApiRawFunction(callRandomSeed) {
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Z_platformZ_randomSeed((Z_platform_instance_t*)_ctx->userdata, _sp[0]);
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m3ApiSuccess();
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}
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m3ApiRawFunction(callCls) {
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Z_platformZ_cls((Z_platform_instance_t*)_ctx->userdata, _sp[0]);
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m3ApiSuccess();
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}
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@@ -118,56 +122,76 @@ m3ApiRawFunction(callBlitSprite) {
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m3ApiSuccess();
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}
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m3ApiRawFunction(callGrabSprite) {
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Z_platformZ_grabSprite((Z_platform_instance_t*)_ctx->userdata, _sp[0], _sp[1], _sp[2], _sp[3], _sp[4]);
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m3ApiSuccess();
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}
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m3ApiRawFunction(callTime) {
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*(f32*)&_sp[0] = Z_platformZ_time((Z_platform_instance_t*)_ctx->userdata);
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m3ApiSuccess();
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}
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m3ApiRawFunction(callPrintChar) {
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Z_platformZ_printChar((Z_platform_instance_t*)_ctx->userdata, _sp[0]);
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m3ApiSuccess();
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}
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m3ApiRawFunction(callPrintString) {
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Z_platformZ_printString((Z_platform_instance_t*)_ctx->userdata, _sp[0]);
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m3ApiSuccess();
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}
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m3ApiRawFunction(callPrintInt) {
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Z_platformZ_printInt((Z_platform_instance_t*)_ctx->userdata, _sp[0]);
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m3ApiSuccess();
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}
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m3ApiRawFunction(callSetTextColor) {
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Z_platformZ_setTextColor((Z_platform_instance_t*)_ctx->userdata, _sp[0]);
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m3ApiSuccess();
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}
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m3ApiRawFunction(callSetBackgroundColor) {
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Z_platformZ_setBackgroundColor((Z_platform_instance_t*)_ctx->userdata, _sp[0]);
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m3ApiSuccess();
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}
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m3ApiRawFunction(callSetCursorPosition) {
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Z_platformZ_setCursorPosition((Z_platform_instance_t*)_ctx->userdata, _sp[0], _sp[1]);
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m3ApiSuccess();
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}
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m3ApiRawFunction(callSndGes) {
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*(f32*)&_sp[0] = Z_platformZ_sndGes((Z_platform_instance_t*)_ctx->userdata, _sp[0]);
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m3ApiSuccess();
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}
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struct {
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const char* name;
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const char* signature;
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M3RawCall function;
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} cPlatformFunctions[] = {
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{ "random", "i()", callRandom },
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{ "randomf", "f()", callRandomf },
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{ "randomSeed", "v(i)", callRandomSeed },
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{ "cls", "v(i)", callCls },
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{ "circle", "v(fffi)", callCircle },
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{ "blitSprite", "v(iiiii)", callBlitSprite }
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{ "blitSprite", "v(iiiii)", callBlitSprite },
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{ "grabSprite", "v(iiiii)", callGrabSprite },
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{ "time", "f()", callTime },
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{ "printChar", "v(i)", callPrintChar },
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{ "printString", "v(i)", callPrintString },
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{ "printInt", "v(i)", callPrintInt },
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{ "setTextColor", "v(i)", callSetTextColor },
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{ "setBackgroundColor", "v(i)", callSetBackgroundColor },
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{ "setCursorPosition", "v(ii)", callSetCursorPosition },
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{ "sndGes", "f(i)", callSndGes },
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};
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void appendType(char* signature, M3ValueType type) {
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if(type == c_m3Type_i32) {
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strcat(signature, "i");
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} else if(type == c_m3Type_i64) {
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strcat(signature, "l");
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} else if(type == c_m3Type_f32) {
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strcat(signature, "f");
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} else {
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fprintf(stderr, "Unsupported platform type %d\n", type);
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exit(1);
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}
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}
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void linkPlatformFunctions(IM3Runtime runtime, IM3Module cartMod, IM3Module platformMod, Z_platform_instance_t* platformInstance) {
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for(u32 functionIndex = 0; functionIndex < platformMod->numFunctions; ++functionIndex) {
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M3Function function = platformMod->functions[functionIndex];
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if(function.export_name != NULL) {
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bool foundCImpl = false;
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void linkPlatformFunctions(IM3Runtime runtime, IM3Module cartMod, Z_platform_instance_t* platformInstance) {
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for(int i = 0; i * sizeof(cPlatformFunctions[0]) < sizeof(cPlatformFunctions); ++i) {
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if(strcmp(function.export_name, cPlatformFunctions[i].name) == 0) {
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m3_LinkRawFunctionEx(cartMod, "env", function.export_name, cPlatformFunctions[i].signature, cPlatformFunctions[i].function, platformInstance);
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foundCImpl = true;
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}
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}
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if(!foundCImpl) {
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IM3Function iFunc;
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verifyM3(runtime, m3_FindFunction(&iFunc, runtime, function.export_name));
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char signature[128] = { 0 };
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if(m3_GetRetCount(iFunc) > 0) {
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appendType(signature, m3_GetRetType(iFunc, 0));
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} else {
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strcat(signature, "v");
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}
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strcat(signature, "(");
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for(uint32_t i = 0; i < m3_GetArgCount(iFunc); ++i) {
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appendType(signature, m3_GetArgType(iFunc, i));
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}
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strcat(signature, ")");
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m3_LinkRawFunctionEx(cartMod, "env", function.export_name, signature, platformTrampoline, iFunc);
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}
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}
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m3_LinkRawFunctionEx(cartMod, "env", cPlatformFunctions[i].name, cPlatformFunctions[i].signature, cPlatformFunctions[i].function, platformInstance);
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}
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}
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@@ -190,14 +214,13 @@ const uint32_t uw8buttonScanCodes[] = {
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typedef struct {
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IM3Runtime runtime;
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IM3Module platform;
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wasm_rt_memory_t memory_c;
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Z_platform_instance_t platform_c;
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IM3Module cart;
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} Uw8Runtime;
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void initRuntime(Uw8Runtime* runtime, IM3Environment env,
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void* platform, size_t platformSize, void* cart, size_t cartSize) {
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void* cart, size_t cartSize) {
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runtime->runtime = m3_NewRuntime(env, 65536, NULL);
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runtime->runtime->memory.maxPages = 4;
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verifyM3(runtime->runtime, ResizeMemory(runtime->runtime, 4));
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@@ -208,18 +231,11 @@ void initRuntime(Uw8Runtime* runtime, IM3Environment env,
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runtime->memory_c.size = 256*1024;
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Z_platform_instantiate(&runtime->platform_c, (struct Z_env_instance_t*)&runtime->memory_c);
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verifyM3(runtime->runtime, m3_ParseModule(env, &runtime->platform, platform, platformSize));
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runtime->platform->memoryImported = true;
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verifyM3(runtime->runtime, m3_LoadModule(runtime->runtime, runtime->platform));
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linkSystemFunctions(runtime->runtime, runtime->platform);
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verifyM3(runtime->runtime, m3_CompileModule(runtime->platform));
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verifyM3(runtime->runtime, m3_RunStart(runtime->platform));
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verifyM3(runtime->runtime, m3_ParseModule(env, &runtime->cart, cart, cartSize));
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runtime->platform->memoryImported = true;
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runtime->cart->memoryImported = true;
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verifyM3(runtime->runtime, m3_LoadModule(runtime->runtime, runtime->cart));
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linkSystemFunctions(runtime->runtime, runtime->cart);
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linkPlatformFunctions(runtime->runtime, runtime->cart, runtime->platform, &runtime->platform_c);
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linkPlatformFunctions(runtime->runtime, runtime->cart, &runtime->platform_c);
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verifyM3(runtime->runtime, m3_CompileModule(runtime->cart));
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verifyM3(runtime->runtime, m3_RunStart(runtime->cart));
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}
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@@ -228,6 +244,7 @@ typedef struct AudioState {
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Uw8Runtime runtime;
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uint8_t* memory;
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IM3Function snd;
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bool hasSnd;
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uint8_t registers[32];
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uint32_t sampleIndex;
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} AudioState;
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@@ -238,8 +255,12 @@ void audioCallback(void* userdata, Uint8* stream, int len) {
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int numSamples = len / sizeof(float);
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memcpy(state->memory + 0x50, state->registers, 32);
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for(int i = 0; i < numSamples; ++i) {
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if(state->hasSnd) {
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m3_CallV(state->snd, state->sampleIndex++);
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m3_GetResultsV(state->snd, samples++);
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} else {
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Z_platformZ_sndGes(&state->runtime.platform_c, state->sampleIndex++);
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}
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}
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}
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@@ -276,9 +297,6 @@ int main(int argc, const char** argv) {
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IM3Function loadFunc;
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verifyM3(loaderRuntime, m3_FindFunction(&loadFunc, loaderRuntime, "load_uw8"));
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uint32_t platformSize;
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void* platformWasm = loadUw8(&platformSize, loaderRuntime, loadFunc, "platform.uw8");
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uint32_t cartSize;
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void* cartWasm = loadUw8(&cartSize, loaderRuntime, loadFunc, argv[1]);
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@@ -290,7 +308,7 @@ int main(int argc, const char** argv) {
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bool quit = false;
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while(!quit) {
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Uw8Runtime runtime;
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initRuntime(&runtime, env, platformWasm, platformSize, cartWasm, cartSize);
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initRuntime(&runtime, env, cartWasm, cartSize);
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uint8_t* memory = m3_GetMemory(runtime.runtime, NULL, 0);
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assert(memory != NULL);
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@@ -299,11 +317,9 @@ int main(int argc, const char** argv) {
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bool hasUpdFunc = m3_FindFunction(&updFunc, runtime.runtime, "upd") == NULL;
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AudioState audioState;
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initRuntime(&audioState.runtime, env, platformWasm, platformSize, cartWasm, cartSize);
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initRuntime(&audioState.runtime, env, cartWasm, cartSize);
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audioState.memory = m3_GetMemory(audioState.runtime.runtime, NULL, 0);
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if(m3_FindFunction(&audioState.snd, audioState.runtime.runtime, "snd") != NULL) {
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verifyM3(audioState.runtime.runtime, m3_FindFunction(&audioState.snd, audioState.runtime.runtime, "sndGes"));
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}
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audioState.hasSnd = m3_FindFunction(&audioState.snd, audioState.runtime.runtime, "snd") == NULL;
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memcpy(audioState.registers, audioState.memory + 0x50, 32);
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audioState.sampleIndex = 0;
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