Altos Computer Systems Altos 486 — Altos 486 System Reference Manual – Service & Technical Guide PDF (EN)

Entering the Debugger Program The Debugger program is started by interrupting the automatic booting procedure and selecting option 4 from the "boot menu". See screen below: Select [1] to boot from Hard Disk f~~ to boot from Floppy Disk to boot from WorkNet [4] to enter Debugger > Enter option: Upon entering option 4. The following display is shown: >486 DEBUGGER cs: ip xxxx :yyyy xn.n The first two letters cs, ip, refer to the registers of the 80186 microprocessor. See the 80186 data book for more information on these register sets. The letters x and y refer to the hexadecimal contents of the registers. Using Debugger Commands (An example).

After the debugger program is selected, enter a command (Table 6- 1), and the command syntax (Table 6-3) as required. See example below. >g .Ql:. G See GO command for definition of this function. 6-5