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New diodemo version by Oliver; update of the README file
git-svn-id: svn://svn.cc65.org/cc65/trunk@3619 b7a2c559-68d2-44c3-8de9-860c34a00d81
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@ -32,6 +32,14 @@ Description: Another graphics demo written by groepaz/hitmen.
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Platforms: The program is currently only running on the C64, but should
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be portable to the C128 and CBM510 (and maybe more machines).
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-----------------------------------------------------------------------------
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Name: diodemo
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Description: A disc copy program written and contributed by Oliver
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Schmidt, <ol.sc@web.de>. Supports single or dual disc copy.
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Platforms: The program does depend on conio and dio (direct disk i/o),
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so it does currently compile for the Atari and Apple ][
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machines.
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-----------------------------------------------------------------------------
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Name: gunzip65
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Description: A gunzip utility for 6502 based machines written by Piotr
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@ -85,5 +93,5 @@ Name: tgidemo
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Description: Shows some of the graphics capabilities of the "tiny graphics
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interface".
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Platforms: Runs on all platforms that have TGI support:
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C64
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Apple ][, C64, C128, Oric Atmos, Geos and Lynx.
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@ -66,7 +66,7 @@ static driveid_t AskForDrive (const char* Name)
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Char = cgetc ();
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if (isdigit (Char)) {
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cputc (Char);
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Drive = (driveid_t) (Drive * 10 + Char - '0');
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Drive = Drive * 10 + Char - '0';
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}
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} while (Char != CH_ENTER);
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@ -87,7 +87,7 @@ static void AskForDisk (const char* Name, driveid_t Drive)
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static char* AllocBuffer (sectsize_t SectSize, sectnum_t SectCount, sectnum_t* ChunkCount)
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/* Allocate a copy buffer on the heap and return a pointer to it */
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{
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void* Buffer = NULL;
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char* Buffer = NULL;
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unsigned long BufferSize;
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unsigned int Chunks = 1;
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@ -101,11 +101,11 @@ static char* AllocBuffer (sectsize_t SectSize, sectnum_t SectCount, sectnum_t* C
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}
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} while (Buffer == NULL && ++Chunks <= MAX_CHUNKS);
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return (char*) Buffer;
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return Buffer;
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}
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int main (void)
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int main (int argc, const char* argv[])
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{
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driveid_t SourceId;
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driveid_t TargetId;
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@ -126,9 +126,28 @@ int main (void)
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cputs ("\r\n");
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/* Get source and target drive id (which may very well be identical) */
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SourceId = AskForDrive ("Source");
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TargetId = AskForDrive ("Target");
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cputs ("\r\n\n");
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switch (argc) {
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case 1:
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SourceId = AskForDrive ("Source");
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TargetId = AskForDrive ("Target");
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cputs ("\r\n");
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break;
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case 2:
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SourceId = TargetId = atoi (argv[1]);
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break;
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case 3:
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SourceId = atoi (argv[1]);
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TargetId = atoi (argv[2]);
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break;
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default:
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cprintf ("\r\nToo many arguments\r\n");
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return EXIT_FAILURE;
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}
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cputs ("\r\n");
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do {
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/* Check for single drive copy or inital iteration */
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@ -136,8 +155,10 @@ int main (void)
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AskForDisk ("Source", SourceId);
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}
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/* Open drive on initial iteration */
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/* Check for initial iteration */
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if (Source == NULL) {
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/* Open source drive */
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Source = dio_open (SourceId);
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if (Source == NULL) {
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cprintf ("\r\n\nError %d on opening Drive %d\r\n", (int) _oserror, SourceId);
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@ -147,7 +168,7 @@ int main (void)
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SectSize = dio_query_sectsize (Source);
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SectCount = dio_query_sectcount (Source);
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/* */
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/* Allocate buffer */
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Buffer = AllocBuffer (SectSize, SectCount, &ChunkCount);
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if (Buffer == NULL) {
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cputs ("\r\n\nError on allocating Buffer\r\n");
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@ -163,7 +184,7 @@ int main (void)
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/* Read one sector */
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if (dio_read (Source, Sector, Buffer + (Sector - ChunkOffset) * SectSize) != 0) {
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cprintf ("\r\n\nError %d on reading Drive %d\r\n", (int) _oserror, SourceId);
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cprintf ("\r\n\nError %d on reading from Drive %d\r\n", (int) _oserror, SourceId);
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return EXIT_FAILURE;
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}
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}
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@ -173,7 +194,7 @@ int main (void)
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AskForDisk ("Target", TargetId);
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}
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/* Open drive on initial iteration */
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/* Open target drive on initial iteration */
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if (Target == NULL) {
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Target = dio_open (TargetId);
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if (Target == NULL) {
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@ -197,7 +218,7 @@ int main (void)
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/* Write one sector */
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if (dio_write (Target, Sector, Buffer + (Sector - ChunkOffset) * SectSize) != 0) {
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cprintf ("\r\n\nError %d on opening Drive %d\r\n", (int) _oserror, TargetId);
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cprintf ("\r\n\nError %d on writing to Drive %d\r\n", (int) _oserror, TargetId);
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return EXIT_FAILURE;
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}
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}
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