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Multi-boot fixes

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This commit is contained in:
Wayne Warthen
2020-02-20 17:17:44 -08:00
parent 6ea1a8f840
commit bc9d44b476
12 changed files with 169 additions and 138 deletions
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15
Source/Apps/OSLdr.asm
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@@ -58,6 +58,9 @@
; could occur if the BIOS image does not conform to the
; expected structure (size, meta data location, entry point
; location, etc.)
; 3) Hardware platform has been removed from the bootloader, so the
; platform check has been removed for OS loading. This is fine
; unless you attempt to switch between UNA and RomWBW.
;_______________________________________________________________________________
;
;===============================================================================
@@ -476,11 +479,11 @@ chkos:
; check for signature
; Already verified in chkhdr
; compare platform id
ld a,(bioplt) ; get current HBIOS platform ID
ld hl,osplt ; point to OS image platform ID
cp (hl) ; compare
jp nz,errplt ; if not equal platform error
;; compare platform id
;ld a,(bioplt) ; get current HBIOS platform ID
;ld hl,osplt ; point to OS image platform ID
;cp (hl) ; compare
;jp nz,errplt ; if not equal platform error
; bypass version check if UNA running
ld a,(unamod) ; get UNA mode flag
@@ -991,7 +994,7 @@ bufptr .dw 0 ; active pointer into buffer
;
; Messages
;
msgban .db "OSLDR v1.1 for RomWBW, 16-Jan-2018",0
msgban .db "OSLDR v1.2 for RomWBW, 20-Feb-2020",0
msghb .db " (HBIOS Mode)",0
msgub .db " (UBIOS Mode)",0
msguse .db "Usage: OSLDR [/F] <osimg> [<hbiosimg>]\r\n"