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58 lines
1.3 KiB
Plaintext
58 lines
1.3 KiB
Plaintext
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;****************************************************************
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;* FLAG DEFINITION MODULE *
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;* File name: FLAGS.EQU *
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;* Last Update: 10/10/83 *
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;* *
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;* All the flags used in CCP/M's I/O system should be *
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;* defined in this module. *
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;****************************************************************
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; Flags 0, 1, and 2 are defined and reserved by DRI
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TICK_FLAG equ 1 ; system tick
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SEC_FLAG equ 2 ; used by clock
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; OEM defined flags
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NMI_FLAG equ 6 ; Non Maskable Interrupt
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FDC_FLAG equ 7 ; Floppy Interrupt
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H_DISK_FLAG equ 8 ; Hard Disk Interrupt
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; Serial port flags
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C0IN_F equ 4 ; Physical console 0
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C0OUT_F equ 5
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C1IN_F equ 9 ; Physical console 1
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C1OUT_F equ 10
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C2IN_F equ 11 ; Physical console 2
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C2OUT_F equ 12
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C3IN_F equ 13 ; Physical console 3
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C3OUT_F equ 14
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C4IN_F equ 15 ; Physical console 4
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C4OUT_F equ 16
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C5IN_F equ 17 ; Physical console 5
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C5OUT_F equ 18
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C6IN_F equ 19 ; Physical console 6
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C6OUT_F equ 20
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C7IN_F equ 21 ; Physical console 7
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C7OUT_F equ 22
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C8IN_F equ 23 ; Physical console 8
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C8OUT_F equ 24
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;*************************
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;* END OF FLAG DEFINITIONS
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;*************************
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