forked from amberisvibin/chibi-pc09
60 lines
1.5 KiB
C
60 lines
1.5 KiB
C
/*
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* Write the CP/M 3 systemfiles to system tracks of drive A
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*
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* Copyright (C) 1988-2006 by Udo Munk
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*
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* History:
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* 29-APR-88 Development on TARGON/35 with AT&T Unix System V.3
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* 11-MAR-93 comments in english and ported to COHERENT 4.0
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* 02-OCT-06 modified to compile on modern POSIX OS's
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*/
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#include <unistd.h>
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#include <stdlib.h>
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#include <stdio.h>
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#include <fcntl.h>
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#include <memory.h>
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/*
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* This program writes the CP/M 3 OS from the following files
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* onto the system tracks of the boot disk (drivea.cpm):
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*
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* boot loader boot.bin
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* cpmldr cpmldr.bin
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*/
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int main(void)
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{
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unsigned char sector[128];
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register int i;
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int fd, drivea, readed;
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/* open drive A for writing */
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if ((drivea = open("../disks/drivea.cpm", O_WRONLY)) == -1) {
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perror("file ../disks/drivea.cpm");
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exit(1);
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}
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/* open boot loader (boot.bin) for reading */
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if ((fd = open("boot.bin", O_RDONLY)) == -1) {
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perror("file boot.bin");
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exit(1);
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}
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/* read boot loader */
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memset((char *) sector, 0, 128);
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read(fd, (char *) sector, 128);
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close(fd);
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/* and write it to disk in drive A */
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write(drivea, (char *) sector, 128);
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/* open CP/M 3 cpmldr file (cpmldr.bin) for reading */
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if ((fd = open("cpmldr.bin", O_RDONLY)) == -1) {
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perror("file cpmldr.bin");
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exit(1);
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}
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/* read from cpmldr.bin and write to disk in drive A */
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while ((readed = read(fd, (char *) sector, 128)) == 128)
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write(drivea, (char *) sector, 128);
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write(drivea, (char *) sector, 128);
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close(fd);
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close(drivea);
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return(0);
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}
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