Date: 2006-05-24 18:02:48
Hallo allemaal, I just read the directory from my disk :) But the stupid thing is that it is the same program I started with three days ago except one little exception: I added 'LDA $1404 ; erase flag of timer'. I hacked the original ROM by replacing the contents of the buffer with my own after reading a sector. That went wrong, the 1541 kept on reading yrack 18 sector 0 all the time. Instead I read it: except the ID and the name of the disk, no differences (FYI: no files saved yet). So what was causing the trouble? I started to suspect the IRQ because my transfers take a bit more time then the reading from disk. I already dis/enabled the IRQ during the transfer using SEI/CLI. But the Eureka: clear any pending IRQ before executing CLI. Bingo, the replacing of the content worked fine now. Next step: my own program. And that one worked right on from the start !!! You are now reading the writing of a very happy man :) -- ___ / __|__ / / |_/ Groetjes, Ruud \ \__|_\ \___| http://Ruud.C64.org Message was sent through the cbm-hackers mailing list
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