void DebugStep(void)
{
int cnt = 4;
do
{
if (cpuClk < MAX_FRAME_TACTS)
{
CpuStep();
if (cpuClk < INT_LENGTH) CpuInt();
}
else
{
lastDevClk = devClk;
cpuClk -= MAX_FRAME_TACTS;
devClk = cpuClk;
InitActClk();
}
cnt--;
} while (z80ex_last_op_type(cpu) && cnt>0);
}
// main debugger loop
int bf_debugger( Emulator_t *em )
{
Emulator_t *dem = em;
char buf[256];
int lret = 0;
int broke;
int i;
bfid_brkp_t *temp;
bfid_cmd_hook_t *hook;
if ( !bfid_initialized )
bfid_init( );
dem->Debugging = 1;
interrupted = 1;
signal( SIGINT, (__sighandler_t)debug_signal );
printf( "[>] Unnamed NES debugger v0.01\n" );
while ( dem->Debugging ) {
if ( interrupted ) {
if ( lret )
printf( "[%x] ", lret & 0xff );
else
printf( "[ ] " );
printf( "> " );
fgets( buf, 256, stdin );
if ( strlen( buf ) < 2 )
continue;
if (( lret = bfid_execcmd( dem, buf )) < 0 ) {
printf( "Unknown command.\n" );
continue;
}
sprintf( buf, "%u\0", dem->Cpus[0].pCounter );
set_variable( "ip", buf );
sprintf( buf, "%u\0", dem->Cpus[0].sPointer );
set_variable( "ptr", buf );
} else {
for ( i = 0; i < dem->cpuNo; i++ ) {
CpuStep( &dem->Cpus[i] );
// Check for breakpoints on the cpu
for ( temp = brkp_list; temp; temp = temp->next ) {
broke = 0;
if ( temp->type == BRK_IP && temp->val == dem->Cpus[i].pCounter ) {
interrupted = broke = 1;
} else if ( temp->type == BRK_MEM && temp->val == dem->Cpus[i].sPointer ) {
interrupted = broke = 1;
} else if ( temp->type == BRK_INSTR &&
//temp->val == dem->Cpus[i].memory[ dem->Cpus[i].pCounter ]){
temp->val == ReadByte( dem->Cpus[i].memory, dem->Cpus[i].pCounter )) {
interrupted = broke = 1;
}
if ( broke ) {
sprintf( buf, "%u\0", dem->Cpus[i].pCounter );
set_variable( "ip", buf );
sprintf( buf, "%u\0", dem->Cpus[i].sPointer );
set_variable( "ptr", buf );
if ( get_variable( "quiet" ) &&
strcmp( get_variable( "quiet" ), "true" )) {
printf( "[ ] cpu%d: breakpoint %d\n", i, temp->i );
}
for ( hook = temp->hooks; hook; hook = hook->next ) {
if ( bfid_execcmd( dem, hook->cmd ) < 0 )
printf( "[ ] Unknown hook command: \"%s\"\n", hook->cmd );
}
}
}
}
}
}
return 0;
}
void Render(void)
{
static int sn = 0;
if (params.antiFlicker)
{
renderSurf = scrSurf[sn];
sn = 1 - sn;
} else renderSurf = screen;
if ((drawFrame || isAvgImageWrited /* isLongImageWrited */) && SDL_MUSTLOCK(renderSurf))
{
if (SDL_LockSurface(renderSurf) < 0)
{
printf("Can't lock surface\n");
return;
}
}
renderPitch = renderSurf->pitch / 4;
if (dev_extport.Is16Colors()) renderPtr = Render16c;
else if (dev_extport.IsMulticolor()) renderPtr = RenderMulticolor;
// else if (dev_extport.Is512x192()) renderPtr = Render512x192;
// else if (dev_extport.Is384x304()) renderPtr = Render384x304;
else renderPtr = RenderSpeccy;
InitActClk();
prevRenderClk = 0;
while (cpuClk < INT_LENGTH)
{
CpuStep();
CpuInt();
}
if (drawFrame || isAvgImageWrited /* isLongImageWrited */)
{
while (cpuClk < MAX_FRAME_TACTS)
{
CpuStep();
renderPtr(cpuClk);
}
}
else
{
while (cpuClk < MAX_FRAME_TACTS) {
CpuStep();
}
}
renderPtr = NULL;
lastDevClk = devClk;
cpuClk -= MAX_FRAME_TACTS;
devClk = cpuClk;
if ((drawFrame || isAvgImageWrited /* isLongImageWrited */) && SDL_MUSTLOCK(renderSurf)) SDL_UnlockSurface(renderSurf);
if (params.antiFlicker && (drawFrame || isAvgImageWrited /* isLongImageWrited */)) AntiFlicker(renderSurf, scrSurf[sn]);
// if (isLongImageWrited)
// {
// int * src = (int *)screen->pixels + (PITCH * (32 + longImagePos)) + 32;
//
// for (int i = 256; i--;)
// {
// unsigned int c = *src;
// int r = GETR(c);
// int g = GETG(c);
// int b = GETB(c);
//
// longImageFile.PutBYTE(r);
// longImageFile.PutBYTE(g);
// longImageFile.PutBYTE(b);
//
// *(src++) = DRGB(255 - r, 255 - g, 255 - b);
// }
//
// longImageHeight++;
// longImagePos = (longImagePos + 1) % 192;
// }
if (isAvgImageWrited)
{
int * src = (int *)screen->pixels;
long * dst = avgImageBuffer;
for (int i = HEIGHT; i--;)
{
int * line = src;
for (int j = WIDTH; j--;)
{
unsigned int c = *(line++);
*(dst++) += (long)GETR(c);
*(dst++) += (long)GETG(c);
*(dst++) += (long)GETB(c);
}
src += PITCH;
}
// avgImageFrames++;
}
}
