Reference Manual

PMAC 2 Software Reference

282 PMAC On-Line Command Specification

• {constant} (optional) is an integer from 1 to 16 specifying the number of consecutive

memory addresses to be read; if this is not specified, PMAC assumes a value of 1

Remarks

This command causes PMAC to report the contents of the specified memory word address or

range of addresses to the host (it is essentially a PEEK command). The command can

specify either short (24-bit) word(s) in PMAC’s X-memory, short (24-bit) word(s) in

PMAC’s Y-memory, or long (48-bit) words covering both X and Y memory (X-word more

significant). This choice is controlled by the use of the X, Y, or L address prefix in the

command, respectively.

If the letter H is used after the R in the command, PMAC reports back the register contents in

unsigned hexadecimal form, with 6 digits for a short word, and 12 digits for a long word. If

the letter H is not used, PMAC reports the register contents in signed decimal form.

Example

RHX:49152...... ; Request contents of X-register 49152 ($C000) in hex

8F4017............. ; PMAC responds in unsigned hex (note no ‘$’)

RHX:$C000...... ; Request contents of X-reg $C000 (49152) in hex

8F4017............. ; PMAC responds in unsigned hex

RX:49152 ........ ; Request contents of same register in decimal

-7389161 ........ ; PMAC responds in signed decimal

RX:$C000 ........ ; Request contents of same register in decimal

-7389161 ........ ; PMAC responds in signed decimal

RX0 .................... ; Request contents of servo cycle counter in decimal

2953211 .......... ; PMAC responds in signed decimal

RL$0028 .......... ; Request contents of #1 cmd. pos. reg in decimal

3072000 .......... ; PMAC responds (=1000 counts)

RHY1824,12 ... ; Request set-up words of the conversion table

00C000 00C004 00C008 00C00C 00C010 00C014 00C018

00C01C 400723 0000295 000000 000000 ; PMAC responds in hex