Verifying that the Monitor is Loaded | RCA RMB-167 specification

RMON16x. Once the monitor program is loaded, the monitor commands are available to the user.

1.Press the reset button on the board.

2.From the menu in the TTY window select TTY Bootstrap and Download Monitor. The board will now bootstrap and download the monitor program.

You may observe the bootstrap progress in the status line of the TTY window. When bootstrapping is completed, the READS166 monitor prompt appears in the TTY window.

3.6Verifying that the Monitor is Loaded

Make sure the TTY window is active, clicking the mouse inside the TTY window to activate it if necessary. Then type the letter ‘H’ (case insensitive) to verify that the monitor program is responding. The ‘H’ command displays the available single-letter commands the monitor will recognize.

The READS monitors use single-letter commands to execute basic functions. Port configurations and data, as well as memory inspection and modifications may be accomplished by the monitor. Most of the single-letter commands are followed by 4 hexadecimal digit addresses or 2 hexadecimal digit data bytes. The following is a list of the commands.

R E A D S C O M M A N D S

C nn	Read port nn Configuration (DPnn)
C nn=mmmm	Set port nn Configuration (DPnn=mmmm)
D	Download HEX file
G XXXX	Go, execute code at XXXX
H	Help, display this list
M XXXX	Memory, contents of XXXX
M XXXX=nn	Memory, change contents of XXXX to nn
M XXXX-YYYY=nn	Memory, change block XXXX-YYYY to nn
P nn	Read Port nn (Pnn)
P nn=mmmm	Write to Port nn (Pnn=mmmm)
W XXXX	Word memory, contents of XXXX
W XXXX=mmmm	Word memory, change contents of XXXX to mmmm
W XXXX-YYYY=mmmm	Word memory, change block XXXX-YYYY to mmmm
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