151 lines
3.3 KiB
C++
151 lines
3.3 KiB
C++
#include "StdAfx.h"
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#include <chrono>
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#include <iostream>
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#include <unistd.h>
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#include "Common.h"
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#include "Applewin.h"
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#include "Disk.h"
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#include "Log.h"
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#include "CPU.h"
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#include "Frame.h"
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#include "Memory.h"
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#include "Video.h"
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#include "frontends/ncurses/world.h"
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#include "ncurses.h"
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namespace
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{
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bool ContinueExecution()
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{
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const auto start = std::chrono::steady_clock::now();
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const double fUsecPerSec = 1.e6;
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#if 1
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const UINT nExecutionPeriodUsec = 1000000 / 60; // 60 FPS
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// const UINT nExecutionPeriodUsec = 100; // 0.1ms
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const double fExecutionPeriodClks = g_fCurrentCLK6502 * ((double)nExecutionPeriodUsec / fUsecPerSec);
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#else
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const double fExecutionPeriodClks = 1800.0;
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const UINT nExecutionPeriodUsec = (UINT) (fUsecPerSec * (fExecutionPeriodClks / g_fCurrentCLK6502));
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#endif
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const DWORD uCyclesToExecute = fExecutionPeriodClks;
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const bool bVideoUpdate = false;
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const DWORD uActualCyclesExecuted = CpuExecute(uCyclesToExecute, bVideoUpdate);
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g_dwCyclesThisFrame += uActualCyclesExecuted;
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DiskUpdatePosition(uActualCyclesExecuted);
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const int key = ProcessKeyboard();
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switch (key)
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{
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case KEY_F(2):
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return false;
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}
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if (g_dwCyclesThisFrame >= dwClksPerFrame)
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{
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g_dwCyclesThisFrame -= dwClksPerFrame;
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VideoRedrawScreen();
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}
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if (!DiskIsSpinning())
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{
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const auto end = std::chrono::steady_clock::now();
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const auto diff = end - start;
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const long ms = std::chrono::duration_cast<std::chrono::microseconds>(diff).count();
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if (ms < nExecutionPeriodUsec)
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{
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usleep(nExecutionPeriodUsec - ms);
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}
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}
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return true;
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}
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void EnterMessageLoop()
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{
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while (ContinueExecution())
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{
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}
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}
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int DoDiskInsert(const int nDrive, LPCSTR szFileName)
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{
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std::string strPathName;
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if (szFileName[0] == '/')
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{
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// Abs pathname
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strPathName = szFileName;
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}
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else
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{
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// Rel pathname
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char szCWD[MAX_PATH] = {0};
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if (!GetCurrentDirectory(sizeof(szCWD), szCWD))
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return false;
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strPathName = szCWD;
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strPathName.append("/");
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strPathName.append(szFileName);
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}
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ImageError_e Error = DiskInsert(nDrive, strPathName.c_str(), IMAGE_USE_FILES_WRITE_PROTECT_STATUS, IMAGE_DONT_CREATE);
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return Error == eIMAGE_ERROR_NONE;
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}
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void foo(int argc, const char * argv [])
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{
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bool bShutdown = false;
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bool bSetFullScreen = false;
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bool bBoot = false;
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g_fh = fopen("/tmp/applewin.txt", "w");
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setbuf(g_fh, NULL);
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LogFileOutput("Initialisation\n");
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ImageInitialize();
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DiskInitialize();
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int nError = 0; // TODO: Show error MsgBox if we get a DiskInsert error
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if (argc >= 2)
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{
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nError = DoDiskInsert(DRIVE_1, argv[1]);
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LogFileOutput("Init: DoDiskInsert(D1), res=%d\n", nError);
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FrameRefreshStatus(DRAW_LEDS | DRAW_BUTTON_DRIVES);
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bBoot = true;
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}
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if (argc >= 3)
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{
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nError |= DoDiskInsert(DRIVE_2, argv[2]);
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LogFileOutput("Init: DoDiskInsert(D2), res=%d\n", nError);
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}
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do
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{
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MemInitialize();
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VideoInitialize();
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DiskReset();
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EnterMessageLoop();
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}
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while (g_bRestart);
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VideoUninitialize();
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}
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}
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int main(int argc, const char * argv [])
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{
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foo(argc, argv);
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return 0;
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}
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