DataMuseum.dk

Presents historical artifacts from the history of:

Commodore CBM-900

This is an automatic "excavation" of a thematic subset of
artifacts from Datamuseum.dk's BitArchive.

See our Wiki for more about Commodore CBM-900

Excavated with: AutoArchaeologist - Free & Open Source Software. 

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⟦306951a65⟧ TextFile

    Length: 313 (0x139)
    Types: TextFile
    Notes: UNIX file
    Names: »dtext.c«

Derivation

└─⟦f27320a65⟧ Bits:30001972 Commodore 900 hard disk image with partial source code
    └─⟦926b8033d⟧ UNIX Filesystem
        └─⟦this⟧ »u/demo/slide/dtext.c«

TextFile

#include <stdio.h>
#define SEG1 ((unsigned int *)0x3b000000L)
main()
{
	int c;
	bwipe();	/* Clear out bottom of screen */
	printf("\033[H\033[21B");
	while((c = getchar()) != EOF) putchar(c);
	printf("\033[H");
}
bwipe()
{
	register unsigned int *sp = SEG1;
	sp[0] = 0xffff;
	ldir(sp+1,sp,(800-512)*(1024/16));
}