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- /*
- * TERM286.H Copyright (C) 1992 Mark R. Nelson.
- *
- * This header file contains the definition of the port structure
- * used in the TERM286.H program. This structure is accessed by
- * both the real and protected mode ISRs, as well as the foreground
- * program.
- *
- */
- struct port_data {
- int uart_address; /* Base address of the UART */
- int head_pointer; /* Index into the buffer */
- int tail_pointer; /* The other index into the buffer*/
- PIHANDLER old_prot_vector; /* Saved prot mode vector */
- REALPTR old_real_vector; /* Saved real mode vector */
- int irq_mask; /* Mask to apply to the 8259 PIC */
- int interrupt_number; /* The int number for this port */
- int prot_count; /* Count of port mode interrupts */
- int real_count; /* Count of real mode interrupts */
- char buffer[ 1024 ]; /* The input storage buffer */
- };
-
-