home *** CD-ROM | disk | FTP | other *** search
/ Developer CD Series 1993…ch: Other People's Memory / ADC Developer CD (1993-03) (''Other People's Memory'')_iso / Dev.CD Mar 93.iso / Technical Documentation / Inside Macintosh / SpInside Macintosh / SpInside Mac PICTs / SpInside Mac 019 / SpInside Mac 019 - Figure 5 (.png) < prev    next >
Macintosh Picture Format  |  1990-08-14  |  2.3 KB  |  720x960  |  1-bit (2 colors)  |  [PICT/MDRW]
   ocr: byte 0 one-second interrupt VIAOS CA2 control line 4 vertical retrace interrupt VIAOS CA1 control line 8 shift-register interrupt VIAOS shift register 12 not used 16 not used 20 T2 timer: Disk Driver VIAOS timer 2 24 T1 timer: Sound Driver VIAOS timer 1 28 not used Figure 5DLevel-1 Secondary Interrupt Vector Table