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;:::::::::::::::::::::::::::::::::::::::::::::::**********************
; B/P BIOS Configuration and Equate File. ** System Dependant **
; - Retro-Brew Processors W/ RomWBW HBIOS - **********************
; HBIOS specific customizations
;:::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::
; BIOS Configuration Equates and Macros
;
; NOTE: Must make sure settings below match hardware and
; HBIOS configuration.
;
HBIOS EQU YES ; Use HBIOS functions
HBLOC EQU 0FE00H ; Location of HBIOS proxy
MEMTOP EQU HBLOC - 1 ; Last usable address
;
HB_RAMBANKS EQU 16 ; For systems with 512K of RAM
;HB_RAMBANKS EQU 32 ; For systems with 1MB of RAM
HB_ROMBANKS EQU 16 ; For systems with 512K of ROM
;HB_ROMBANKS EQU 32 ; For systems with 1MB of ROM
;
; Set HB_IODEV to appropriate console device
;
HB_IODEV EQU 0 ; Assume we want to use first HBIOS serial device
;
; Set HB_MDDEV to appropriate memory disk driver
;
HB_MDRAM EQU 0 ; HBIOS Disk Device #0 is normally RAM Disk
HB_MDROM EQU 1 ; HBIOS Disk Device #1 is normally ROM Disk
;
; Set HB_HDDEV to appropriate hard disk driver
;
HB_HDDEV0 EQU 2 ; First hard disk is HBIOS Disk Device #2
HB_HDDEV1 EQU 3 ; Second hard disk is HBIOS Disk Device #3
HB_HDDEV2 EQU 4 ; Third hard disk is HBIOS Disk Device #4
;
; Floppy disk support
;
; TODO: Query HBIOS to see if system has floppy drive(s)
;
DRV_O SET NO ; YES if system has flopy drives
DRV_P SET NO ; YES if system has flopy drives
;
; RAM/ROM disk sizes expressed as count of 2K blocks
;
HB_RAMBLKS EQU (HB_RAMBANKS - 8) * 16
HB_ROMBLKS EQU (HB_ROMBANKS - 4) * 16
;
; Layout of RAM banks
;
BID_RAMD EQU 80H
BID_RAMM EQU 80H + HB_RAMBANKS - 9
BID_SYS EQU 80H + HB_RAMBANKS - 4
BID_HB EQU 80H + HB_RAMBANKS - 3
BID_USR EQU 80H + HB_RAMBANKS - 2
BID_COM EQU 80H + HB_RAMBANKS - 1
;
HB_EI MACRO
EI
ENDM
HB_DI MACRO
DI
ENDM