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37 lines
1.2 KiB
37 lines
1.2 KiB
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
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;
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; UBIOS FUNCTIONS
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;
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BF_CIO .EQU $10
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BF_CIOIN .EQU BF_CIO + 1 ; CHARACTER INPUT
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BF_CIOOUT .EQU BF_CIO + 2 ; CHARACTER OUTPUT
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BF_CIOIST .EQU BF_CIO + 3 ; CHARACTER INPUT STATUS
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BF_CIOOST .EQU BF_CIO + 4 ; CHARACTER OUTPUT STATUS
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;
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BF_DIO .EQU $40
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BF_DIOREAD .EQU BF_DIO + 2 ; DISK READ
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BF_DIOWRITE .EQU BF_DIO + 3 ; DISK WRITE
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;
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; MEMORY BANK CONFIGURATION
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;
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ROMSIZE .EQU 512
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RAMSIZE .EQU 512
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BID_ROM0 .EQU $0000
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BID_ROMN .EQU (BID_ROM0 + ((ROMSIZE / 32) - 1))
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BID_RAM0 .EQU $8000
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BID_RAMN .EQU (BID_RAM0 + ((RAMSIZE / 32) - 1))
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BID_BOOT .EQU BID_ROM0 ; BOOT BANK
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BID_BIOSIMG .EQU BID_ROM0 + 1 ; BIOS IMAGE BANK
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BID_OSIMG .EQU BID_ROM0 + 2 ; ROM LOADER AND IMAGES BANK
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BID_FSFAT .EQU BID_ROM0 + 3 ; FAT FILESYSTEM DRIVER BANK
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BID_ROMD0 .EQU BID_ROM0 + 4 ; FIRST ROM DRIVE BANK
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BID_ROMDN .EQU BID_ROMN ; LAST ROM DRIVE BANK
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BID_RAMD0 .EQU BID_RAM0 ; FIRST RAM DRIVE BANK
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BID_RAMDN .EQU BID_RAMN - 4 ; LAST RAM DRIVE BANK
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BID_AUX .EQU BID_RAMN - 3 ; AUX BANK (BPBIOS, ETC.)
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BID_BIOS .EQU BID_RAMN - 2 ; BIOS BANK
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BID_USR .EQU BID_RAMN - 1 ; USER BANK (CP/M TPA, ETC.)
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BID_COM .EQU BID_RAMN ; COMMON BANK, UPPER 32K
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