/**
* Take into account the Falcon Bus Control register $ff8007.b
$FFFF8007 Falcon Bus Control
BIT 6 : F30 Start (0=Cold, 1=Warm)
BIT 5 : STe Bus Emulation (0=on)
BIT 3 : Blitter Flag (0=on, 1=off)
BIT 2 : Blitter (0=8mhz, 1=16mhz)
BIT 0 : 68030 (0=8mhz, 1=16mhz)
*/
static void IoMemTabFalcon_BusCtrl_WriteByte(void)
{
Uint8 busCtrl = IoMem_ReadByte(0xff8007);
/* Set Falcon bus or STE compatible bus emulation */
if ((busCtrl & 0x20) == 0)
IoMem_Init_FalconInSTeBuscompatibilityMode(0);
else
IoMem_Init_FalconInSTeBuscompatibilityMode(1);
/* 68030 Frequency changed ? */
/* We change freq only in 68030 mode for a normal Falcon, */
/* not if CPU is 68040 or 68060 is used */
if ( ConfigureParams.System.nCpuLevel == 3 )
{
if ((busCtrl & 0x1) == 1) {
/* 16 Mhz bus for 68030 */
nCpuFreqShift = 1;
ConfigureParams.System.nCpuFreq = 16;
}
else {
/* 8 Mhz bus for 68030 */
nCpuFreqShift = 0;
ConfigureParams.System.nCpuFreq = 8;
}
}
Statusbar_UpdateInfo(); /* Update clock speed in the status bar */
}
/**
* Restore 'snapshot' of memory/chips/emulation variables
*/
void MemorySnapShot_Restore(const char *pszFileName, bool bConfirm)
{
/* Set to 'restore' */
if (MemorySnapShot_OpenFile(pszFileName, false))
{
Configuration_MemorySnapShot_Capture(false);
/* Reset emulator to get things running */
IoMem_UnInit(); IoMem_Init();
Reset_Cold();
/* Capture each files details */
// STMemory_MemorySnapShot_Capture(false);
CycInt_MemorySnapShot_Capture(false);
Cycles_MemorySnapShot_Capture(false);
M68000_MemorySnapShot_Capture(false);
Video_MemorySnapShot_Capture(false);
DebugUI_MemorySnapShot_Capture(pszFileName, false);
// IoMem_MemorySnapShot_Capture(false);
/* And close */
MemorySnapShot_CloseFile();
/* changes may affect also info shown in statusbar */
Statusbar_UpdateInfo();
}
/* Did error? */
if (bCaptureError)
Log_AlertDlg(LOG_ERROR, "Unable to restore memory state from file.");
else if (bConfirm)
Log_AlertDlg(LOG_INFO, "Memory state file restored.");
}
/**
* Toggle joystick cursor emulation between port 0, port 1 and being off
* from them. When it's turned off from them, the port's previous state
* is restored
*/
void Joy_ToggleCursorEmulation(void)
{
static JOYSTICKMODE saved[2] = { JOYSTICK_DISABLED, JOYSTICK_DISABLED };
JOYSTICKMODE state;
int i, port = 2;
for (i = 0; i < 2; i++) {
state = ConfigureParams.Joysticks.Joy[i].nJoystickMode;
if (state == JOYSTICK_KEYBOARD) {
port = i;
} else {
saved[i] = state;
}
}
switch (port) {
case 0: /* (only) in port 0, disable cursor emu */
ConfigureParams.Joysticks.Joy[0].nJoystickMode = saved[0];
break;
case 1: /* (at least) in port 1, switch cursor emu to port 0 */
ConfigureParams.Joysticks.Joy[1].nJoystickMode = saved[1];
ConfigureParams.Joysticks.Joy[0].nJoystickMode = JOYSTICK_KEYBOARD;
break;
default: /* neither in port 0 or 1, enable cursor emu to port 1 */
ConfigureParams.Joysticks.Joy[1].nJoystickMode = JOYSTICK_KEYBOARD;
}
Statusbar_UpdateInfo();
}
/**
* Set TOS etc information and initial help message
*/
static void Main_StatusbarSetup(void)
{
const char *name = NULL;
SDL_Keycode key;
key = ConfigureParams.Shortcut.withoutModifier[SHORTCUT_OPTIONS];
if (!key)
key = ConfigureParams.Shortcut.withModifier[SHORTCUT_OPTIONS];
if (key)
name = SDL_GetKeyName(key);
if (name)
{
char message[24], *keyname;
#ifdef _MUDFLAP
__mf_register(name, 32, __MF_TYPE_GUESS, "SDL keyname");
#endif
keyname = Str_ToUpper(strdup(name));
snprintf(message, sizeof(message), "Press %s for Options", keyname);
free(keyname);
Statusbar_AddMessage(message, 6000);
}
/* update information loaded by Main_Init() */
Statusbar_UpdateInfo();
}
/**
* Switch between joystick types in given joyport
*/
bool Joy_SwitchMode(int port)
{
int mode;
if (port < 0 || port >= JOYSTICK_COUNT) {
return false;
}
mode = (ConfigureParams.Joysticks.Joy[port].nJoystickMode + 1) % JOYSTICK_MODES;
ConfigureParams.Joysticks.Joy[port].nJoystickMode = mode;
Statusbar_UpdateInfo();
return true;
}
/**
* Copy details back to configuration and perform reset.
*/
bool Change_CopyChangedParamsToConfiguration(CNF_PARAMS *current, CNF_PARAMS *changed, bool bForceReset)
{
bool NeedReset;
bool bReInitSCSIEmu = false;
bool bReInitEnetEmu = false;
bool bReInitSoundEmu = false;
bool bReInitIoMem = false;
bool bScreenModeChange = false;
int i;
Dprintf("Changes for:\n");
/* Do we need to warn user that changes will only take effect after reset? */
if (bForceReset)
NeedReset = bForceReset;
else
NeedReset = Change_DoNeedReset(current, changed);
/* Do we need to change SCSI disks? */
for (i = 0; i < ESP_MAX_DEVS; i++) {
if (!NeedReset &&
(current->SCSI.target[i].bDiskInserted != changed->SCSI.target[i].bDiskInserted ||
current->SCSI.target[i].bWriteProtected != changed->SCSI.target[i].bWriteProtected ||
strcmp(current->SCSI.target[i].szImageName, changed->SCSI.target[i].szImageName))) {
bReInitSCSIEmu = true;
break;
}
}
/* Note: MO and floppy disk insert/eject called from GUI */
/* Do we need to change Ethernet connection? */
if (!NeedReset && current->Ethernet.bEthernetConnected != changed->Ethernet.bEthernetConnected) {
bReInitEnetEmu = true;
}
/* Do we need to change Sound configuration? */
if (!NeedReset &&
(current->Sound.bEnableSound != changed->Sound.bEnableSound ||
current->Sound.bEnableMicrophone != changed->Sound.bEnableMicrophone)) {
bReInitSoundEmu = true;
}
/* Copy details to configuration,
* so it can be saved out or set on reset
*/
if (changed != &ConfigureParams)
{
ConfigureParams = *changed;
}
/* Copy details to global, if we reset copy them all */
Configuration_Apply(NeedReset);
/* Check if all necessary files exist */
Dialog_CheckFiles();
if (bQuitProgram)
{
SDL_Quit();
exit(-2);
}
/* Re-init IO memory map? */
if (bReInitIoMem)
{
Dprintf("- IO mem<\n");
IoMem_Init();
}
/* Re-init SCSI disks? */
if (bReInitSCSIEmu) {
Dprintf("- SCSI disks<\n");
SCSI_Reset();
}
/* Re-init Ethernet? */
if (bReInitEnetEmu) {
Dprintf("- Ethernet<\n");
Ethernet_Reset(false);
}
/* Re-init Sound? */
if (bReInitSoundEmu) {
Dprintf("- Sound<\n");
Sound_Reset();
}
/* Force things associated with screen change */
if (bScreenModeChange)
{
Dprintf("- screenmode<\n");
Screen_ModeChanged();
}
/* Do we need to perform reset? */
if (NeedReset)
{
const char *err_msg;
Dprintf("- reset\n");
err_msg=Reset_Cold();
// if (err_msg!=NULL) {
// DlgAlert_Notice(err_msg);
// return false;
// }
}
/* Go into/return from full screen if flagged */
if (!bInFullScreen && ConfigureParams.Screen.bFullScreen)
Screen_EnterFullScreen();
else if (bInFullScreen && !ConfigureParams.Screen.bFullScreen)
Screen_ReturnFromFullScreen();
/* update statusbar info (CPU, MHz, mem etc) */
Statusbar_UpdateInfo();
Dprintf("done.\n");
return true;
}
