Browse Source
Merge pull request #35 from b1ackmai1er/master
Invalid BIOS (signature missing)
pull/48/head
Wayne Warthen
7 years ago
committed by
GitHub
No known key found for this signature in database
GPG Key ID: 4AEE18F83AFDEB23
1 changed files with
5 additions and
3 deletions
-
Source/HBIOS/hbios.asm
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@ -866,9 +866,11 @@ HB_START: |
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; LD HL,(HBX_IMG) |
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; LD (X2),HL |
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LD HL,HBX_IMG |
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LD DE,HBX_LOC |
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LD BC,HBX_SIZ |
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LD DE,HBX_LOC ; IF A DS1210 POWER CONTROLLER IS INSTALLED AND BATTERY BACKUP IS NOT |
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LD A,(DE) ; INSTALLED OR IS LESS THAN 2V THEN THE DS1210 WILL BLOCK THE SECOND RAM |
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LD A,(DE) ; ACCESS. PERFORM TWO DUMMY READS TO RAM TO ENSURE WE BYPASS THIS FEATURE |
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LD HL,HBX_IMG ; SO THAT THE ROM ID BYTES ARE COPIED CORRECTLY AND CP/M APPLICATIONS |
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LD BC,HBX_SIZ ; START CORRECTLY WHEN THEY CHECK THE ROM ID VERSION BYTES. |
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LDIR |
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; LD HL,(HBX_IMG) |
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