Index: rombios.c
===================================================================
RCS file: /cvsroot/bochs/bochs/bios/rombios.c,v
-retrieving revision 1.110
-diff -u -w -r1.110 rombios.c
---- rombios.c 31 May 2004 13:11:27 -0000 1.110
-+++ rombios.c 7 Oct 2004 21:23:50 -0000
-@@ -137,6 +137,7 @@
- #define DEBUG_INT16 0
- #define DEBUG_INT1A 0
- #define DEBUG_INT74 0
-+#define DEBUG_APM 0
-
- #define BX_CPU 3
- #define BX_USE_PS2_MOUSE 1
-@@ -145,6 +146,7 @@
- #define BX_SUPPORT_FLOPPY 1
- #define BX_FLOPPY_ON_CNT 37 // 2 seconds
- #define BX_PCIBIOS 1
-+#define BX_APM 1
-
- #define BX_USE_ATADRV 1
- #define BX_ELTORITO_BOOT 1
-@@ -230,17 +232,6 @@
- out dx,ax
- MEND
-
--MACRO HALT2
-- ;; the HALT macro is called with the line number of the HALT call.
-- ;; The line number is then sent to the PANIC_PORT, causing Bochs/Plex
-- ;; to print a BX_PANIC message. This will normally halt the simulation
-- ;; with a message such as "BIOS panic at rombios.c, line 4091".
-- ;; However, users can choose to make panics non-fatal and continue.
-- mov dx,#PANIC_PORT2
-- mov ax,#?1
-- out dx,ax
--MEND
--
- MACRO JMP_AP
- db 0xea
- dw ?2
-@@ -1543,15 +1534,12 @@
- }
-
- if (action & BIOS_PRINTF_HALT) {
-- // freeze in a busy loop. If I do a HLT instruction, then in versions
-- // 1.3.pre1 and earlier, it will panic without ever updating the VGA
-- // display, so the panic message will not be visible. By waiting
-- // forever, you are certain to see the panic message on screen.
-- // After a few more versions have passed, we can turn this back into
-- // a halt or something.
-- // do {} while (1);
-+ // freeze in a busy loop.
- ASM_START
-- HALT2(__LINE__)
-+ cli
-+ halt2_loop:
-+ hlt
-+ jmp halt2_loop
- ASM_END
- }
- }
-@@ -5412,8 +5400,8 @@
- case 0x03: SET_BL( 0x06 ); break;
- }
-
-- DI = 0xefc7;
-- ES = 0xf000;
-+ DI = read_word(0x00, 0x1e*4); // INT vector 0x1E
-+ ES = read_word(0x00, 0x1e*4+2);
- goto int13_success;
- break;
-
-@@ -6984,8 +6972,8 @@
- }
-
- /* set es & di to point to 11 byte diskette param table in ROM */
-- DI = 0xefc7;
-- ES = 0xf000;
-+ DI = read_word(0x00, 0x1e*4); // INT vector 0x1E
-+ ES = read_word(0x00, 0x1e*4+2);
- CLEAR_CF(); // success
- /* disk status not changed upon success */
- return;
-@@ -7880,7 +7868,7 @@
- mov al, #0x02
- out #0x0a, al ;; clear DMA-1 channel 2 mask bit
-
-- SET_INT_VECTOR(0x1E, #0xF000, #diskette_param_table)
-+ SET_INT_VECTOR(0x1E, #0xF000, #diskette_param_table2)
- SET_INT_VECTOR(0x40, #0xF000, #int13_diskette)
- SET_INT_VECTOR(0x0E, #0xF000, #int0e_handler) ;; IRQ 6
-
-@@ -8344,6 +8332,19 @@
- pop ax
- iret
-
-+
-+;--------------------
-+#if BX_APM
-+use32 386
-+#define APM_PROT32
-+#include "apmbios.S"
-+use16 386
+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"
+
-+#define APM_REAL
+ use16 386
++#define APM_PROT16
+#include "apmbios.S"
-+
-+#endif
-+
- ;--------------------
- #if BX_PCIBIOS
- use32 386
-@@ -9515,6 +9516,26 @@
- pop ds
- iret
-+diskette_param_table2:
-+;; New diskette parameter table adding 3 parameters from IBM
-+;; Since no provisions are made for multiple drive types, most
-+;; values in this table are ignored. I set parameters for 1.44M
-+;; floppy here
-+db 0xAF
-+db 0x02 ;; head load time 0000001, DMA used
-+db 0x25
-+db 0x02
-+db 18
-+db 0x1B
-+db 0xFF
-+db 0x6C
-+db 0xF6
-+db 0x0F
-+db 0x08
-+db 79 ;; maximum track
-+db 0 ;; data transfer rate
-+db 4 ;; drive type in cmos
+ #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)
+
- .org 0xf045 ; INT 10 Functions 0-Fh Entry Point
- HALT(__LINE__)
- iret
-@@ -9560,6 +9581,10 @@
- .org 0xf859 ; INT 15h System Services Entry Point
- int15_handler:
- pushf
-+#if BX_APM
-+ cmp ah, #0x53
-+ je apm_call
-+#endif
- push ds
- push es
- pushad
-@@ -9570,6 +9595,10 @@
- popf
- //JMPL(iret_modify_cf)
- jmp iret_modify_cf
-+#if BX_APM
-+apm_call:
-+ jmp _apmreal_entry
-+#endif
++ 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)
- ;; Protected mode IDT descriptor
- ;;
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