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Index: rombios.c

===================================================================

RCS file: /cvsroot/bochs/bochs/bios/rombios.c,v

retrieving revision 1.130

diff -u -w -r1.130 rombios.c

--- rombios.c        13 Feb 2005 08:47:30 -0000        1.130

+++ rombios.c        6 Apr 2005 22:38:16 -0000

@@ -8570,7 +8570,10 @@

 use32 386

 #define APM_PROT32

 #include "apmbios.S"

+

 use16 386

+#define APM_PROT16

+#include "apmbios.S"

 #define APM_REAL

 #include "apmbios.S"

Index: apmbios.S

===================================================================

RCS file: /cvsroot/bochs/bochs/bios/apmbios.S,v

retrieving revision 1.1

diff -u -w -r1.1 apmbios.S

--- apmbios.S        20 Jun 2004 18:27:09 -0000        1.1

+++ apmbios.S        6 Apr 2005 22:38:16 -0000

@@ -1,6 +1,9 @@

 //  APM BIOS support for the Bochs BIOS

 //  Copyright (C) 2004 Fabrice Bellard

 //

+//  16-bit interface activation

+//  Copyright (C) 2005 Struan Bartlett

+//

 //  This library is free software; you can redistribute it and/or

 //  modify it under the terms of the GNU Lesser General Public

 //  License as published by the Free Software Foundation; either

@@ -111,13 +114,28 @@

   mov bl, #0x4d // 'M'

   // bit 0 : 16 bit interface supported

   // bit 1 : 32 bit interface supported

-  mov cx, #0x2 

+  mov cx, #0x3

   jmp APMSYM(ok)

 ;-----------------

 ; APM real mode interface connect

 APMSYM(01):

   cmp al, #0x01

+  jne APMSYM(02)

+  jmp APMSYM(ok)

+

+;-----------------

+; APM 16 bit protected mode interface connect

+APMSYM(02):

+  cmp al, #0x02

+  jne APMSYM(03)

+

+  mov bx, #_apm16_entry

+  

+  mov ax, #0xf000 // 16 bit code segment base

+  mov si, #0xfff0 // 16 bit code segment size

+  mov cx, #0xf000 // data segment address

+  mov di, #0xfff0 // data segment length

   jne APMSYM(03)

   jmp APMSYM(ok)