Compaq RS-232C Computer Hardware User Manual


 
Appendix
COM-2(PC)F40
Sample Programs
The programs are written in GW-BASIC and Microsoft C.
The sample programs transmit data entered from the keyboard and
display received data on the screen. Table 6.1. lists the
communications data format.
The sample programs listed in Figure 6.1. are included on the
floppy disk.
Table 6.1. Data Format
Parameter Data Format
Data bits 8 bits
Stop bits 2 bits
Parity None
BAS
MSC
COM2V
(1) H103HD01.BAS Data transmission (Enhanced mode)
(2) H103HD02.BAS Data reception (Enhanced mode)
(3) H103HD03.BAS Data transmission (COM1 mode)
(4) H103HD04.BAS Data reception (COM1 mode)
(5) H103HD05.BAS Data transmission and reception (Enhanced mode)
(6) H103HD06.BAS Data transmission and reception (COM1, COM2 mode)
(7) H103HD07.BAS Interrupt-driven data transmission and reception
H103HD.ASM
H103HD.BIN
(8) H103HD08.BAS Half-duplex data transmission (Enhanced mode)
(9) H103HD09.BAS Half-duplex data reception (Enhanced mode)
(10)COM21_1.C Data transmission and reception (COM1, COM2 mode)
COM21_1.EXE
(11)COM34_1.C Data transmission and reception (COM3, COM4 mode)
COM34_1.EXE
SETCOM.EXE (Address setting file for Compatible mode)
Figure 6.1. Floppy Disk Files