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Fix another bootloader glitch (#20)

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Thanks again to @Theldus for reporting this
This commit is contained in:
Justine Tunney 2021-01-17 17:55:42 -08:00
parent 23b1b462c9
commit c20dad3534
2 changed files with 20 additions and 2 deletions
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4
ape/ape.S
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@ -348,8 +348,8 @@ pcread: push %ax
jbe 2f
mov $1,%al
inc %dh # ++head
cmp XLM(DRIVE_LAST_HEAD),%cx
jb 2f
cmp XLM(DRIVE_LAST_HEAD),%dh
jbe 2f
xor %dh,%dh
inc %cx # ++cylinder
2: ret

18
ape/idata.internal.h
View file

@ -1,3 +1,21 @@
/*-*- mode:unix-assembly; indent-tabs-mode:t; tab-width:8; coding:utf-8 -*-│
│vi: set et ft=asm ts=8 sw=8 fenc=utf-8 :vi│
╞══════════════════════════════════════════════════════════════════════════════╡
│ Copyright 2020 Justine Alexandra Roberts Tunney │
│ │
│ Permission to use, copy, modify, and/or distribute this software for │
│ any purpose with or without fee is hereby granted, provided that the │
│ above copyright notice and this permission notice appear in all copies. │
│ │
│ THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL │
│ WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED │
│ WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE │
│ AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL │
│ DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR │
│ PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER │
│ TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR │
│ PERFORMANCE OF THIS SOFTWARE. │
╚─────────────────────────────────────────────────────────────────────────────*/
#ifndef APE_IDATA_H_
#define APE_IDATA_H_
#ifdef __ASSEMBLER__