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Improve RomLdr Messaging

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Improve messaging that handles missing boot signature or load length <= 0.

Thanks and credit to @hubertushirsch.

See Commit f5a7c61 comments.
This commit is contained in:
Wayne Warthen
2025-11-21 09:02:47 -08:00
parent bb93010716
commit b652412964
1 changed files with 4 additions and 3 deletions
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7
Source/HBIOS/romldr.asm
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@@ -1576,8 +1576,8 @@ diskboot9:
ld de,(bb_cpmloc) ; de := start
or a ; clear carry
sbc hl,de ; hl := length to load
jp z,err_sig ; can't load zero length
jp c,err_sig ; can't load negative length
jp z,str_err_noboot ; can't load zero length
jp c,str_err_noboot ; can't load negative length
; If load length is not a multiple of sector size (512)
; we need to round up to get everything loaded!
ld de,511 ; 1 less than sector size
@@ -2670,7 +2670,8 @@ str_err_noslice .db "Disk unit does not support slices",0
str_err_badslice .db "Slice specified is illegal",0
str_err_nocon .db "Invalid character unit specification",0
str_err_diskio .db "Disk I/O failure",0
str_err_sig .db "Invalid boot record",0
str_err_sig .db "No boot record",0
str_err_noboot .db "No bootable image",0
str_err_api .db "Unexpected hardware BIOS API failure",0
;
;=======================================================================