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https://github.com/dborth/vbagx.git
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frameskipping tweaks
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@ -23,7 +23,6 @@
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#include "audio.h"
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#include "video.h"
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#include "input.h"
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#include "tbtime.h"
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#define VBA_BUTTON_A 1
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#define VBA_BUTTON_B 2
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@ -43,7 +43,6 @@ extern bool ROMLoaded;
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extern int emulating;
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int ConfigRequested = 0;
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/****************************************************************************
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* main
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*
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@ -100,14 +99,13 @@ int main()
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selectedMenu = 2; // change to preferences menu
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}
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//Main loop
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while(1)
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while(1) // main loop
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{
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ResetVideo_Menu (); // change to menu video mode
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MainMenu(selectedMenu);
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selectedMenu = 3; // return to game menu from now on
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while (emulating)
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while (emulating) // emulation loop
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{
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emulator.emuMain(emulator.emuCount);
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@ -147,9 +147,11 @@ void system10Frames(int rate)
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timeOff = 0; // timeoff was not valid
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// consider increasing skip
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if(diff >= 230)
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if(diff >= 270)
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systemFrameSkip += 4;
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else if(diff >= 240)
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systemFrameSkip += 3;
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else if(diff >= 200)
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else if(diff >= 210)
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systemFrameSkip += 2;
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else if(diff >= 170)
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systemFrameSkip += 1;
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@ -159,7 +161,7 @@ void system10Frames(int rate)
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systemFrameSkip -= 3;
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else if(diff <= 120)
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systemFrameSkip -= 2;
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else if(diff <= 150)
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else if(diff <= 135)
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systemFrameSkip -= 1;
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// correct invalid frame skip values
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@ -41,7 +41,7 @@ unsigned int MEM2Storage = 0x91000000;
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static u32 GBAROMSize = 0;
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#ifdef USE_VM
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extern u32 loadtimeradjust;
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//extern u32 loadtimeradjust;
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/** Setup VM to use small 16kb windows **/
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#define VMSHIFTBITS 14
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@ -291,7 +291,7 @@ int VMCPULoadROM(int method)
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VMInit();
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VMAllocGBA();
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loadtimeradjust = GBAROMSize = 0;
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GBAROMSize = 0;
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switch (method)
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{
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@ -363,7 +363,7 @@ static void VMNewPage( int pageid )
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tb_t start,end;
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char msg[512];
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mftb(&start);
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//mftb(&start);
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res = fseek( romfile, pageid << VMSHIFTBITS, SEEK_SET );
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if (res) // fseek returns non-zero on a failure
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@ -385,9 +385,9 @@ static void VMNewPage( int pageid )
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return;
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}
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mftb(&end);
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//mftb(&end);
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loadtimeradjust += tb_diff_msec(&end, &start);
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//loadtimeradjust += tb_diff_msec(&end, &start);
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}
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/****************************************************************************
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