Intel 386 User Manual page 552

#define IIR0
#define LCR0
#define MCR0
#define LSR0
#define MSR0
#define SCR0
/* ASYNCHRONOUS SERIAL CHANNEL 0 -- SLOT 0 ADDRESSES */
#define RBR0DOS
#define THR0DOS
#define TBR0DOS
#define DLL0DOS
#define IER0DOS
#define DLH0DOS
#define IIR0DOS
#define LCR0DOS
#define MCR0DOS
#define LSR0DOS
#define MSR0DOS
#define SCR0DOS
/* ASYNCHRONOUS SERIAL CHANNEL 1 -- SLOT 15 ADDRESSES */
#define RBR1
#define THR1
#define TBR1
#define DLL1
#define IER1
#define DLH1
#define IIR1
#define LCR1
#define MCR1
#define LSR1
#define MSR1
#define SCR1
/* ASYNCHRONOUS SERIAL CHANNEL 1 -- SLOT 0 ADDRESSES */
#define RBR1DOS
#define THR1DOS
#define TBR1DOS
#define DLL1DOS
#define IER1DOS
#define DLH1DOS
#define IIR1DOS
#define LCR1DOS
#define MCR1DOS
#define LSR1DOS
#define MSR1DOS
#define SCR1DOS
/* SYNCHRONOUS SERIAL CHANNEL REGISTERS */
#define SSIOTBUF
#define SSIORBUF
#define SSIOBAUD
#define SSIOCON1
0xF4FA
0xF4FB
0xF4FC
0xF4FD
0xF4FE
0xF4FF
0x03F8
0x03F8
0x03F8
0x03F8
0x03F9
0x03F9
0x03FA
0x03FB
0x03FC
0x03FD
0x03FE
0x03FF
0xF8F8
0xF8F8
0XF8F8
0xF8F8
0xF8F9
0xF8F9
0xF8FA
0xF8FB
0xF8FC
0xF8FD
0xF8FE
0xF8FF
0x02F8
0x02F8
0x02F8
0x02F8
0x02F9
0x02F9
0x02FA
0x02FB
0x02FC
0x02FD
0x02FE
0x02FF
0xF480
0xF482
0xF484
0xF486
EXAMPLE CODE HEADER FILES
C-3