42 lines
1 KiB
C
42 lines
1 KiB
C
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/* The format of the a.out files produced by the assemblers
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is machine dependent.
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This program acts as a gateway between two machines and it's effect
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is independent of the machine it executes on.
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The a.out file is assumed to be made on a pdp-11
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while the target machine is a Philip Microcomputer Development system
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*/
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#include <stdio.h>
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main(argc,argv) char **argv ; {
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char i_addr[4];
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short count;
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char i_count[2];
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if (argc != 3) {
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fprintf(stderr,"Usage: %s pdp-a.out VU-pmds-a.out\n",argv[0]);
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exit(-1);
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}
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if (freopen(argv[1],"r",stdin)==NULL) {
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perror(argv[1]);
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exit(-1);
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}
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if (freopen(argv[2],"w",stdout)==NULL) {
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perror(argv[2]);
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exit(-1);
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}
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while (fread(&i_addr,sizeof i_addr,1,stdin)==1) {
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putchar(i_addr[1]) ; putchar(i_addr[0]) ;
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putchar(i_addr[3]) ; putchar(i_addr[2]) ;
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if (fread(&i_count,sizeof i_count,1,stdin)!=1)
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exit(fprintf(stderr,"foo\n"));
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putchar(i_count[1]) ; putchar(i_count[0]) ;
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count= ((i_count[1]&0377)<<8) | (i_count[0]&0377) ;
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while (count--) {
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putchar(getchar());
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}
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}
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return 0;
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}
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