mirror of
https://github.com/wwarthen/RomWBW.git
synced 2026-02-06 22:33:12 -06:00
f5806a1589
- Rename Dev.txt to ReadMe.txt for consistency - Update Dev app Makefile to not copy the internal ReadMe file to the final output - Remove obsolete constants in BPBIOS - Minor patches to zx and cpmtools to workaround an odd behavior in Windows Subsystem for Linux that was causing output to fail binary comparisons.
72 lines
2.3 KiB
Plaintext
72 lines
2.3 KiB
Plaintext
;:::::::::::::::::::::::::::::::::::::::::::::::**********************
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; B/P BIOS Configuration and Equate File. ** System Dependant **
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; - Retro-Brew Processors W/ RomWBW HBIOS - **********************
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; HBIOS specific customizations
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;:::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::
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; BIOS Configuration Equates and Macros
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;
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; NOTE: Must make sure settings below match hardware and
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; HBIOS configuration.
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;
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HBIOS EQU YES ; Use HBIOS functions
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HBLOC EQU 0FE00H ; Location of HBIOS proxy
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MEMTOP EQU HBLOC - 1 ; Last usable address
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;
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HB_DEBUG EQU FALSE ; See hbios.z80 file
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;
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; Set HB_IODEV to desired HBIOS character device unit number
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;
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; TODO: Query system via HBIOS API to determine number of serial
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; devices available and assign up to 3 of them to the 3 serial
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; device slots in BPBIOS at boot.
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;
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HB_IODEV EQU 80H ; 0x80 is current HBIOS console
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;
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; Set HB_MDRAM/ROM to desired HBIOS disk device numbers
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;
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HB_MDRAM EQU 0 ; HBIOS Disk Unit #0 is usually the RAM Disk
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HB_MDROM EQU 1 ; HBIOS Disk Unit #1 is usually the ROM Disk
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;
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; Set HB_HDDEVN to appropriate HBIOS disk device numbers
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;
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; If the RomWBW system has no floppy drives, then the hard disk units
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; will start right after the memory disk units. So, the first hard disk
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; will be unit #2. Refer to the DPH entries to see how the HBIOS
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; units are mapped to drive letters.
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;
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HB_HDDEV0 EQU 2 ; If no floppy drives in system, first HBIOS hard disk is unit #2
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HB_HDDEV1 EQU 3 ; Second hard disk is HBIOS Disk Device #3
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HB_HDDEV2 EQU 4 ; Third hard disk is HBIOS Disk Device #4
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;
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; Floppy disk support
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;
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; TODO: Query HBIOS to see if system has floppy drive(s). For now
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; we do not really support floppy drives.
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;
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DRV_O SET NO ; YES if system has flopy drives
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DRV_P SET NO ; YES if system has flopy drives
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;
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; RAM/ROM Bank Reserve
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;
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HB_RAMRESV EQU 8 ; RAM reserve is 8 banks
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HB_ROMRESV EQU 4 ; ROM reserve is 4 banks
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;
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; Layout of RAM banks
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;
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; TODO: Query system via HBIOS API to determine the actual bank
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; assignments, then adjust BPBIOS operation accordingly.
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;
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BID_RAMD EQU -16 ; 90h - 16 = 80h
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BID_RAMM EQU -9 ; 90h - 9 = 87h
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BID_SYS EQU -4 ; 90h - 4 = 8Ch
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BID_HB EQU -3 ; 90h - 3 = 8Dh
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BID_USR EQU -2 ; 90h - 2 = 8Eh
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BID_COM EQU -1 ; 90h - 1 = 8Fh
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;
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HB_EI MACRO
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EI
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ENDM
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HB_DI MACRO
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DI
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ENDM
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