c64
/
pi1541
1
0
Fork 0
Code Issues Pull Requests Releases Wiki Activity

Head stepping sounds now work for 1581 mode.

This commit is contained in:
Stephen White 2018-11-25 15:44:44 +11:00
parent e3e25b8b5a
commit 0bbe4544f9
4 changed files with 65 additions and 13 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

1
src/Pi1581.cpp
View File

@ -295,5 +295,6 @@ void Pi1581::Insert(DiskImage* diskImage)
// CIA.GetPortB()->SetInput(PORTB_PINS_WPAT, !diskImage->GetReadOnly());
CIA.GetPortA()->SetInput(PORTA_PINS_DISKCHNG, true);
wd177x.Insert(diskImage);
this->diskImage = diskImage;
}

3
src/Pi1581.h
View File

@ -41,6 +41,8 @@ public:
void Insert(DiskImage* diskImage);
inline const DiskImage* GetDiskImage() const { return diskImage; }
inline bool IsLEDOn() const { return LED; }
inline bool IsMotorOn() const { return wd177x.IsExternalMotorAsserted(); }
inline void SetLED(bool value) { LED = value; }
@ -54,6 +56,7 @@ public:
unsigned int RDYDelayCount;
private:
DiskImage* diskImage;
bool LED;
//u8 Memory[0xc000];

65
src/main.cpp
View File

@ -47,7 +47,7 @@ extern "C"
#include "ssd_logo.h"
unsigned versionMajor = 1;
unsigned versionMinor = 17;
unsigned versionMinor = 18;
// When the emulated CPU starts we execute the first million odd cycles in non-real-time (ie as fast as possible so the emulated 1541 becomes responsive to CBM-Browser asap)
// During these cycles the CPU is executing the ROM self test routines (these do not need to be cycle accurate)
@ -853,7 +853,7 @@ EXIT_TYPE Emulate1581(FileBrowser* fileBrowser)
int headSoundFreqCounter = 0;
// const int headSoundFreq = 833; // 1200Hz = 1/1200 * 10^6;
const int headSoundFreq = 1000000 / options.SoundOnGPIOFreq(); // 1200Hz = 1/1200 * 10^6;
unsigned char oldHeadDir;
unsigned int oldTrack;
int resetCount = 0;
unsigned numberOfImages = diskCaddy.GetNumberOfImages();
@ -880,6 +880,8 @@ EXIT_TYPE Emulate1581(FileBrowser* fileBrowser)
//resetWhileEmulating = false;
selectedViaIECCommands = false;
oldTrack = pi1581.wd177x.GetCurrentTrack();
while (exitReason == EXIT_UNKNOWN)
{
for (int cycle2MHz = 0; cycle2MHz < 2; ++cycle2MHz)
@ -917,7 +919,7 @@ EXIT_TYPE Emulate1581(FileBrowser* fileBrowser)
IEC_Bus::RefreshOuts1581(); // Now output all outputs.
}
if (cycleCount >= FAST_BOOT_CYCLES) // cycleCount is used so we can quickly get through 1541's self test code. This will make the emulated 1541 responsive to commands asap. During this time we don't need to set outputs.
//if (cycleCount >= FAST_BOOT_CYCLES) // cycleCount is used so we can quickly get through 1541's self test code. This will make the emulated 1541 responsive to commands asap. During this time we don't need to set outputs.
{
IEC_Bus::OutputLED = pi1581.IsLEDOn();
if (IEC_Bus::OutputLED ^ oldLED)
@ -926,7 +928,21 @@ EXIT_TYPE Emulate1581(FileBrowser* fileBrowser)
oldLED = IEC_Bus::OutputLED;
}
//IEC_Bus::RefreshOuts1581(); // Now output all outputs.
// Do head moving sound
unsigned int track = pi1581.wd177x.GetCurrentTrack();
if (track != oldTrack) // Need to start a new sound?
{
oldTrack = track;
if (options.SoundOnGPIO())
{
headSoundCounter = 1000 * options.SoundOnGPIODuration();
headSoundFreqCounter = headSoundFreq;
}
else
{
PlaySoundDMA();
}
}
}
@ -975,6 +991,47 @@ EXIT_TYPE Emulate1581(FileBrowser* fileBrowser)
}
ctBefore = ctAfter;
if (options.SoundOnGPIO() && headSoundCounter > 0)
{
headSoundFreqCounter--; // Continue updating a GPIO non DMA sound.
if (headSoundFreqCounter <= 0)
{
headSoundFreqCounter = headSoundFreq;
headSoundCounter -= headSoundFreq * 8;
IEC_Bus::OutputSound = !IEC_Bus::OutputSound;
}
}
if (numberOfImages > 1)
{
bool nextDisk = inputMappings->NextDisk();
bool prevDisk = inputMappings->PrevDisk();
if (nextDisk)
{
pi1581.Insert(diskCaddy.PrevDisk());
}
else if (prevDisk)
{
pi1581.Insert(diskCaddy.NextDisk());
}
else if (inputMappings->directDiskSwapRequest != 0)
{
for (caddyIndex = 0; caddyIndex < numberOfImagesMax; ++caddyIndex)
{
if (inputMappings->directDiskSwapRequest & (1 << caddyIndex))
{
DiskImage* diskImage = diskCaddy.SelectImage(caddyIndex);
if (diskImage && diskImage != pi1581.GetDiskImage())
{
pi1581.Insert(diskImage);
break;
}
}
}
inputMappings->directDiskSwapRequest = 0;
}
}
}
return exitReason;
}

9
src/wd177x.cpp
View File

@ -38,10 +38,6 @@
extern Pi1581 pi1581;
extern bool bLoggingCYCs;
int stepcount = 0;
int racount = 0;
// Clocks
// Master 16Mhz
// into 74ls93
@ -1198,8 +1194,6 @@ void WD177x::Write(unsigned int address, unsigned char value)
// An interrupt is generated at the completion of the command.
stepDirection = -1;
stepcount++;
//DEBUG_LOG("STEP OUT %d\r\n", stepcount);
commandType = 1;
break;
@ -1256,9 +1250,6 @@ void WD177x::Write(unsigned int address, unsigned char value)
readAddressState = SEARCHING_FOR_NEXT_ID;
racount++;
//DEBUG_LOG("READ_ADDRESS %d\r\n", racount);
commandType = 3;
break;