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EnigmA Amiga Run 1999 March
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EnigmA AMIGA RUN 35 (1999)(G.R. Edizioni)(IT)[!][issue 1999-03].iso
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easy1541
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iecreadd64.c
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C/C++ Source or Header
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1999-01-01
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4KB
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239 lines
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <dos.h>
#include <exec/exec.h>
#include <exec/execbase.h>
#include <exec/memory.h>
#include <dos/dos.h>
#include <proto/exec.h>
#include <proto/dos.h>
#include <iec/iec.h>
//----------------------------------------
//IECReadD64 1.1
//
//Get a D64 image from the disk inserted in
//the 1541 drive.
//
//----------------------------------------
struct iecbase *IECBase;
char Version[]="$VER:64ReadD64 1.1 (06.10.96) by Fabrizio Farenga";
UWORD BlockSize;
unsigned char c;
char* DestName; //Name of the D64 file to create (using AmigaDos)
FILE *fh; //Ouput File Handle
struct RDArgs *rda;
LONG argv[3]={0,0,0};
char device=8; //Default device #
//******************************************
// Send a null-terminated string to the 1541
//******************************************
void SendString(char* string)
{
int t;
for (t=0;string[t]!=0;t++) CIOut(string[t]);
}
//*****************************************************
//Read sector MACRO
//This read the sector "s" of track "t" to
//TrackBuffer[] (256 bytes)
//*****************************************************
#define READSECTOR \
Listen(device); \
Second(CMD_DATA+15); \
sprintf(command,"U1: 2 0 %d %d",t,s); \
SendString(command); \
\
UnListen(); \
\
\
Talk(device); \
TkSA(CMD_DATA+2); \
\
c=0; \
while (IECBase->iec_ST==ST_OK) \
{ \
chkabort(); \
TrackBuffer[c]=ACPtr(); \
c++; \
} \
\
UnTalk();\
\
printf ("Reading Track: %d, Sector %d \nF",t,s);
//*****************************************************
void ReadDisk(char* outname)
{
int t,s,c;
int buffernum;
char command[40];
char TrackBuffer[256];
//Open the command channel
Listen(device); //OPEN 15,8,15
Second(CMD_OPEN+15);
if (IECBase->iec_ST!=ST_OK)
{
printf ("\n?DEVICE NOT PRESENT\n\n");
return;
}
//Reset the disk controller
CIOut('I'); // PRINT#15,"I"
UnListen();
//Open the data channel and allocate a buffer in the 1541 memory
Listen(device); //OPEN 2,8,2,"#"
Second(CMD_OPEN+2);
CIOut('#');
UnListen();
//Get the buffer number (unused)
Talk(device); //GET #2,buffernum
TkSA(CMD_DATA+2);
buffernum=ACPtr();
UnTalk();
//Open the D64 file to create
fh=fopen (outname,"wb");
//Read tracks 01 - 17 (21 sectors per track)
for (t=1;t<18;t++)
{
for (s=0;s<21;s++)
{
READSECTOR
//Write to AmigaDos
fwrite (TrackBuffer,256,1,fh);
}
}
//Write tracks 18 - 24 (19 sectors per track)
for (t=18;t<25;t++)
{
for (s=0;s<19;s++)
{
READSECTOR
//Write to AmigaDos
fwrite (TrackBuffer,256,1,fh);
}
}
//Write tracks 25 - 31 (18 sectors per track)
for (t=25;t<31;t++)
{
for (s=0;s<18;s++)
{
READSECTOR
//Write to AmigaDos
fwrite (TrackBuffer,256,1,fh);
}
}
//Write tracks 31 - 35 (17 sectors per track)
for (t=31;t<36;t++)
{
for (s=0;s<17;s++)
{
READSECTOR
//Write to AmigaDos
fwrite (TrackBuffer,256,1,fh);
}
}
fclose (fh);
Listen(device); //Close 2
Second(CMD_CLOSE+2);
UnListen();
Listen(device); //Close 15
Second(CMD_CLOSE+15);
UnListen();
printf ("\n\n");
}
/* Break Handler */
int brk(void)
{
/* On break, close all */
fclose (fh);
Listen(device); //Close 2
Second(CMD_CLOSE+2);
UnListen();
Listen(device); //Close 15
Second(CMD_CLOSE+15);
UnListen();
CloseLibrary((struct Library*)IECBase);
if (rda!=0) FreeArgs(rda);
printf ("\n\nBreak received.\n\n");
return (1);
}
void main(void)
{
if ((rda = ReadArgs("TO/A,DEVICE/N",argv,NULL)) != NULL)
{
if (argv[0]!=0) DestName=(char*)argv[0]; //Destination filename
if (argv[1]!=0) device=*(LONG *)argv[1]; //Device (if none, device = 8)
}
else
{
printf ("Required argument missing\n\n");
return;
}
if (device<4)
{
printf ("\n?DEVICE NOT PRESENT\n\n");
return;
}
IECBase = (struct iecbase*)OpenLibrary("iec.library",0L);
if (IECBase!=0)
{
/*Set the break handler*/
onbreak(&brk);
ReadDisk(DestName);
CloseLibrary((struct Library*)IECBase);
}
else
{
printf ("Can't open iec.library\n");
return;
}
if (rda!=0) FreeArgs(rda);
}