Commodore 1581 - Page 8

CHAPTER 7: INTERNAL DISK COMMANDS 81
memory-read. 82
memory-write 84
memory-execute 85
block-execute 85
user commands 86
utility loader 87
auto boot loader 88
CHAPTER 8: MACHINE LANGUAGE PROGRAMS 89
disk-related kernal subroutines 89
CHAPTER 9: BURST COMMANDS 91
cmdl-read 91
cmd2-write 92
cmd3-inquire disk 92
cmd4-format 93
cmd6-query disk format 94
cmd7-inquire status 94
cmd8-dump track cache buffer 95
chgutl utility 95
fastload utility 96
status byte breakdown 96
burst transfer protocol 97
explanation of procedures 98
CHAPTER 10:1581 INTERNAL OPERATION 101
logical versus physical disk format 101
track cache buffer 101
controller job queue 102
vectored jump table 108
APPENDICES:
A: changing the device number Ill
B: dos error messages 113
C: dos diskette format 119
D: disk command quick reference chart 123
E: specifications of the 1581 disk drive 125
F: serial interface information 127
USER'S MANUAL STATEMENT inside back cover