Communication enhancements -libraries and programs
   While working on a project to comunicate with my cell phone i realized that G+ has issues withs erial communication, the main issue was too small receiving buffer (only 255 bytes).

So i put up toughether a program that i called xREAD you may find it also as xSRECV, i never made an official library out of it but i released the code to the public on comp.sys.hp48
for those who have a good use for it, and have missed the time when it was released here's the source.

XREAD / XSRECV routine source :
:: EQU Timeout 20000 EQU UART_ICR 00110 EQU UART_STA 00111 EQU UART_RCV 00114 CODE SAVE C=DAT1 A C+10 A D1=C ST=0 15 D0=(5) UART_ICR C=DAT0 1 R0=C B LC 8 DAT0=C 1 C=0 B D0+1 DAT0=C 1 *reset_timer D0=(5) UART_STA LC(5) Timeout B=C A *is_received C=DAT0 1 ?CBIT=1 0 GOYES received B-1 A GONC is_received GOTO end *received D0=(5) UART_RCV C=DAT0 B DAT1=C B D1+2 GOTO reset_timer *end C=R0 B D0=(5) UART_ICR DAT0=C 1 ST=1 15 LOADRPL ENDCODE ; @

I would like to remind you if you're G+ fan :-)
and would like to experiment with internet connectivity to take a look at www.hpcalc.org, you will find USINAGAZ from Samuel Thibault there which will enable you to establish TCP/IP connections from your calculator using your cell phone, i tested both CSD and GPRS mode, in both cases it works well with ALCATEL OT-535 cell phone (connected trough IrDA).

NOTE: X should be ascii code 13 or CR (easy to input on G+) when program displays "Connected !" -just press any key and start your application << { "" "ATE0V1X" "OK" "ATD*99#X" "CONNECT" } CHAT "username" "password" PPPON "Conected !" 1 DISP 0 WAIT 3 DROPN >>

Samuel's library is very well documented, however, for those of you who have no time to study it -below is the a small program that uses Samuel's library to connect to internet using your GPRS capable cell phone. If you don't have GPRS just change dialing number (*99#) to your ISP's modem line. Change strings "username" and "password" to Your username and password. (contact your mobile operator if you want to use GPRS)

3 steps is all you need to do to connect to internet:
1. Install USINAGAZ and internet software you are planing to use (navigator, mail-prime or irc-prime, PORT0 is recommended)
2. Download CONNECT or copy the connection program presented here
3. Adjust ISP dial in number, Your username and password.

Image shows 49G+ connected to ALCATEL OT535 via IrDA

Terms and contitions To be used and distributed freely as long as you don't modify the library code. Beware -although library is stable and doesn't cause memory issues i DON'T PROVIDE any WARRANTY or GUARANTY. DOWNLOADS BY DOWNLOADING OR COPYING THIS SOFTWARE YOU AGREE TO TERMS AND CONDITIONS STATED ABOVE. HP 49G+ ONLY CONNECT    simple connect program to be used with Samuel's USINAGAZ    will connect you to the Internet using your cellphone    (released:11/17/2004)