Intel 386 - Manual (Page 560)

C-11
EXAMPLE CODE HEADER FILES
#define P1_IN 0x2
#define P2_IN 0x4
#define P3_IN 0x8
#define P4_IN 0x10
#define P5_IN 0x20
#define P6_IN 0x40
#define P7_IN 0x80
#define Px_OUT 0
/* Pin configuration defines */
#define RTS1 0x1
#define SSIOTX 0
#define DTR1 0x2
#define SRXCLK 0
#define TXD1 0x4
#define DACK1 0
#define CTS1 0x8
#define EOP 0
#define CS5 0x10
#define DACK0 0
#define TIMER2 0x20
#define COPROC 0
#define REFRESH 0x40
#define CS6 0
/* Port I/O Function Definitions */
extern void Init_IOPorts (BYTE Port1, BYTE Port2, BYTE Port3, BYTE PortDir1,
BYTE PortDir2, BYTE PortDir3, BYTE PortLtc1,
BYTE PortLtc2, BYTE PortLtc3);
/**************** Timer configuration defines ****************/
#define TMR_0 0
#define TMR_1 1
#define TMR_2 2
#define TMR0_IRQ 0 /* IRQ # Master IRQ0 */
#define TMR1_IRQ 10 /* IRQ # Slave IRQ2 */
#define TMR2_IRQ 11 /* IRQ # Slave IRQ3 */
/* Timer Modes */
#define TMR_TERMCNT 0
#define TMR_1SHOT (1<<1)
#define TMR_RATEGEN (2<<1)
#define TMR_SQWAVE (3<<1)
#define TMR_SW_TRIGGER (4<<1)
#define TMR_HW_TRIGGER (5<<1)
/* Count Type */
#define TMR_CLK_BCD 1
#define TMR_CLK_BIN 0
/* Timer Pin Configuration */
#define TMR_CLK_INTRN 0
#define TMR_CLK_EXTRN 0x1
#define TMR_GATE_VCC 0