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BPBIOS Updates

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This commit is contained in:
Wayne Warthen
2020-02-13 16:01:19 -08:00
parent 84ce67a816
commit 3da911edf4
6 changed files with 43 additions and 9 deletions
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2
Source/BPBIOS/@WBW Z3ENV.txt
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@@ -75,7 +75,7 @@ should be consulted to understand these. The build process used here
produces several different configurations which can be loaded at runtime.
The original distributed memory segment configuration occupies the top
of memory which, unfortunately, conflicts with the RomWBW HBIOS need to
occupt this space.
occupy this space.
Although RomWBW HBIOS is implemented in it's own dedicated memory bank, it
requires a small proxy at the top of memory which acts as a mechansim to

3
Source/BPBIOS/hbios.z80
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@@ -194,6 +194,9 @@ HBX_ROM:
IF MK4
RLCA
JR NC,HBX_BNKSEL1
XOR 00100001B
HBX_BNKSEL1:
RLCA
RLCA
OUT0 (CPU_BBR),A

20
Source/BPBIOS/romwbw-mk4.lib
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@@ -26,15 +26,15 @@ HBCLK EQU YES ; HBIOS clock driver
;
; Set HB_IODEV to appropriate console device
;
HB_IODEV EQU 0
HB_IODEV EQU 0 ; Assume we want to use first HBIOS serial device
;
; Set HB_HDDEV to appropriate hard disk driver
;
HB_HDDEV EQU 2
HB_HDDEV EQU 2 ; Assumes disk device #2 is first hard disk device
;
; Set HB_MDDEV to appropriate memory disk driver
;
HB_MDDEV EQU 0
HB_MDDEV EQU 0 ; Assumes disk device #0 is ROM disk device
;
; RAM/ROM disk sizes expressed as count of 2K blocks
;
@@ -66,3 +66,17 @@ MEMTOP EQU 0FFE0H - 1 ; Start of HBIOS 32 byte control block
ELSE
MEMTOP EQU HBLOC - 1 ; Start of HBIOS 512 byte proxy
ENDIF
IF INTPXY
HB_EI MACRO
ENDM
HB_DI MACRO
ENDM
ELSE
HB_EI MACRO
EI
ENDM
HB_DI MACRO
DI
ENDM
ENDIF

20
Source/BPBIOS/romwbw-sim.lib
View File

@@ -26,15 +26,15 @@ HBCLK EQU YES ; HBIOS clock driver
;
; Set HB_IODEV to appropriate console device
;
HB_IODEV EQU 0
HB_IODEV EQU 0 ; Assume we want to use first HBIOS serial device
;
; Set HB_HDDEV to appropriate hard disk driver
;
HB_HDDEV EQU 2
HB_HDDEV EQU 2 ; Assumes disk device #2 is first hard disk device
;
; Set HB_MDDEV to appropriate memory disk driver
;
HB_MDDEV EQU 0
HB_MDDEV EQU 0 ; Assumes disk device #0 is ROM disk device
;
; RAM/ROM disk sizes expressed as count of 2K blocks
;
@@ -66,3 +66,17 @@ MEMTOP EQU 0FFE0H - 1 ; Start of HBIOS 32 byte control block
ELSE
MEMTOP EQU HBLOC - 1 ; Start of HBIOS 512 byte proxy
ENDIF
IF INTPXY
HB_EI MACRO
ENDM
HB_DI MACRO
ENDM
ELSE
HB_EI MACRO
EI
ENDM
HB_DI MACRO
DI
ENDM
ENDIF