How do I poll the register of another device?

[skimask]

The above sould have said:
I have wired RSO as portb.7, WR as portb.6 and RD as portb.5.
- portb.4 (b4) is not wired and b3-b0 (bit3 - bit0) is the data.
I hope this makes sense to you.
Thanks, Don

Yep, that makes sense now.
More later when I hit the datasheet a bit more...

You got any code to work with yet? Show it...

[dbachman]

This is what I have been trying:

OSCCON = $60 ' Set up internal oscillator
x var byte
dtmf var byte
 
CS var portb.4 'Enable or disable MT8888
RD var portb.5 'Read Microprocessor input
WR var portb.6 'Write Microprocessor input
RS var portb.7 'Register Select

Send_DTMF:
TRISB = %00000000
pause 100
portb = %10101101 'Send Control Register A
pause 100
portb = %10100000 'Send Control Register B
pause 100
portb = %00100111 'Send digit = 7
pause 100
portb = %00100101 '    Send digit = 5
pause 100

Goto Send_DTMF

I should mention that this part of the code is just trying to get the thing to spit out a DTMF tone. Beyond that I would need to poll the status register.

Thanks for taking the time to help,

Don