valter/dosbox-staging
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166 commits

Author SHA1 Message Date
Sjoerd van der Berg
a91af64d77 Changed SHLD and SHRD instructions to use common function defines. 
Imported-from: https://svn.code.sf.net/p/dosbox/code-0/dosbox/trunk@1200
 2003-08-23 07:13:06 +00:00
Sjoerd van der Berg
e18440ce32 New core_normal based on old core_16 for handling real and protected mode code. 
Imported-from: https://svn.code.sf.net/p/dosbox/code-0/dosbox/trunk@1199
 2003-08-22 20:13:48 +00:00
Sjoerd van der Berg
2ae4a3e7d9 Change switches a bit so compiler can create jump tables 
Imported-from: https://svn.code.sf.net/p/dosbox/code-0/dosbox/trunk@1196
 2003-08-22 09:21:41 +00:00
Ulf Wohlers
8b48f20dbd FILLFLAGS -> FillFlags 
Imported-from: https://svn.code.sf.net/p/dosbox/code-0/dosbox/trunk@1183
 2003-08-11 15:50:52 +00:00
Sjoerd van der Berg
856e7b3fa9 bug with directly changing the flags.word 
Imported-from: https://svn.code.sf.net/p/dosbox/code-0/dosbox/trunk@1182
 2003-08-11 15:49:14 +00:00
Sjoerd van der Berg
6fed40f0a8 Remove the FILLFLAGS define and use a function call for it. 
Imported-from: https://svn.code.sf.net/p/dosbox/code-0/dosbox/trunk@1180
 2003-08-11 08:42:58 +00:00
Sjoerd van der Berg
f97b4bb800 BSR and BSF correctly set zero flag now and 0 source for scan 
Imported-from: https://svn.code.sf.net/p/dosbox/code-0/dosbox/trunk@1176
 2003-07-31 16:05:16 +00:00
Sjoerd van der Berg
76ec14475b Bit testing opcodes didn't load first operand 
Imported-from: https://svn.code.sf.net/p/dosbox/code-0/dosbox/trunk@1175
 2003-07-31 15:33:08 +00:00
Sjoerd van der Berg
f6cd3dd51e On exception reset eip to start of opcode. 
Imported-from: https://svn.code.sf.net/p/dosbox/code-0/dosbox/trunk@1173
 2003-07-28 08:25:02 +00:00
Sjoerd van der Berg
551fb535f1 Add lazy_flags.h to the makefile 
Imported-from: https://svn.code.sf.net/p/dosbox/code-0/dosbox/trunk@1172
 2003-07-28 08:23:14 +00:00
Sjoerd van der Berg
1ae2780ece Interrupt now handled without using EXCEPTION. 
Exception now resets IP to the faulting instruction.
LAHF uses the lower 8-bit of the flags word.
SS changing instruction do another cycle to be interrupt free.


Imported-from: https://svn.code.sf.net/p/dosbox/code-0/dosbox/trunk@1171
 2003-07-28 08:22:15 +00:00
Sjoerd van der Berg
2a4fa63ace 8-bit flag saves need to save Overflow flag and now use cpu function for saving flags. 
Imported-from: https://svn.code.sf.net/p/dosbox/code-0/dosbox/trunk@1170
 2003-07-27 22:55:28 +00:00
Sjoerd van der Berg
1780f70232 Core_full cpu decoder starts up when protected mode is enabled. 
Small change for certain flag bits always being on/off


Imported-from: https://svn.code.sf.net/p/dosbox/code-0/dosbox/trunk@1169
 2003-07-27 22:53:37 +00:00
Ulf Wohlers
a1fe43c151 Debugger is activated via callback now 
Imported-from: https://svn.code.sf.net/p/dosbox/code-0/dosbox/trunk@1168
 2003-07-27 20:20:40 +00:00
Sjoerd van der Berg
09ed20abec Removed double segment prefix base add for SIB lookups 
Imported-from: https://svn.code.sf.net/p/dosbox/code-0/dosbox/trunk@1167
 2003-07-27 19:47:47 +00:00
Sjoerd van der Berg
3085db7883 Setting stack segment now sets a stack mask 
Check for cpu decoder changes when CS changes.
Changed handling of HLT a bit


Imported-from: https://svn.code.sf.net/p/dosbox/code-0/dosbox/trunk@1158
 2003-07-26 10:41:34 +00:00
Sjoerd van der Berg
1c5b995c6d callbacks start from 1 
Imported-from: https://svn.code.sf.net/p/dosbox/code-0/dosbox/trunk@1157
 2003-07-26 10:39:14 +00:00
Sjoerd van der Berg
8ca9fc4faa Some cleanups 
Callbacks now return from the decoder
Stacks are now read using a mask.


Imported-from: https://svn.code.sf.net/p/dosbox/code-0/dosbox/trunk@1156
 2003-07-26 10:39:01 +00:00
Sjoerd van der Berg
3070b19d73 Little bit of cleaning up 
Callbacks now return from the cpu core.


Imported-from: https://svn.code.sf.net/p/dosbox/code-0/dosbox/trunk@1155
 2003-07-26 10:36:56 +00:00
Sjoerd van der Berg
41d13152f4 Fix for timing/crashings problem caused by large count when used with scas/cmps 
Imported-from: https://svn.code.sf.net/p/dosbox/code-0/dosbox/trunk@1150
 2003-07-25 11:15:08 +00:00
Sjoerd van der Berg
b0780d0cb4 Use inlined memory access functions. 
Imported-from: https://svn.code.sf.net/p/dosbox/code-0/dosbox/trunk@1131
 2003-07-14 11:21:08 +00:00
Sjoerd van der Berg
fd3d665956 add paging.cpp 
Imported-from: https://svn.code.sf.net/p/dosbox/code-0/dosbox/trunk@1129
 2003-07-14 08:55:04 +00:00
Sjoerd van der Berg
93c6c0c803 Main paging handler. 
Imported-from: https://svn.code.sf.net/p/dosbox/code-0/dosbox/trunk@1119
 2003-07-14 08:32:39 +00:00
Sjoerd van der Berg
a1993a714c Call paging functions. 
Imported-from: https://svn.code.sf.net/p/dosbox/code-0/dosbox/trunk@1118
 2003-07-14 08:32:22 +00:00
Sjoerd van der Berg
35188cb6c8 use phys_write for rom area. 
Imported-from: https://svn.code.sf.net/p/dosbox/code-0/dosbox/trunk@1117
 2003-07-14 08:26:07 +00:00
Ulf Wohlers
c441125606 LEAVECORE is called only if breakpoint is detected (heavy debug), added SaveIP. 
Imported-from: https://svn.code.sf.net/p/dosbox/code-0/dosbox/trunk@1106
 2003-07-09 16:11:30 +00:00
Ulf Wohlers
c840ac87c8 LEAVECORE is called only if breakpoint is detected (heavy debug) 
Imported-from: https://svn.code.sf.net/p/dosbox/code-0/dosbox/trunk@1105
 2003-07-09 16:06:47 +00:00
Sjoerd van der Berg
17d3f15643 Make push/pop calls non-inline 
Imported-from: https://svn.code.sf.net/p/dosbox/code-0/dosbox/trunk@1102
 2003-07-08 18:27:14 +00:00
Sjoerd van der Berg
0b12c58d77 Check for interrupt flag and waiting irq's on moments where flags are changed. 
Imported-from: https://svn.code.sf.net/p/dosbox/code-0/dosbox/trunk@1095
 2003-07-08 16:46:28 +00:00
Sjoerd van der Berg
fb98d5571e New lazy flag headers 
on detection of IRQ leave the core.


Imported-from: https://svn.code.sf.net/p/dosbox/code-0/dosbox/trunk@1087
 2003-07-06 13:36:10 +00:00
Sjoerd van der Berg
708d8cb3c3 CPU Cores keep their own flag handling 
New lazyflags header file


Imported-from: https://svn.code.sf.net/p/dosbox/code-0/dosbox/trunk@1086
 2003-07-06 13:10:28 +00:00
Ulf Wohlers
3b0f6bfda8 Added CALLBACK_SetupAt 
Imported-from: https://svn.code.sf.net/p/dosbox/code-0/dosbox/trunk@1080
 2003-07-05 14:05:05 +00:00
Sjoerd van der Berg
a32e1ba658 Fix SETXF instructions 
Imported-from: https://svn.code.sf.net/p/dosbox/code-0/dosbox/trunk@1078
 2003-06-19 17:47:56 +00:00
Sjoerd van der Berg
b222a9576a Warning clean up 
Removing some old unused routines
Addind some newlines after some files.


Imported-from: https://svn.code.sf.net/p/dosbox/code-0/dosbox/trunk@1077
 2003-06-19 17:12:50 +00:00
Sjoerd van der Berg
d23a0871e3 REP SCASD 
Imported-from: https://svn.code.sf.net/p/dosbox/code-0/dosbox/trunk@1071
 2003-06-17 06:10:09 +00:00
Sjoerd van der Berg
4d45092d87 Added HLT Instruction handling routines. 
Imported-from: https://svn.code.sf.net/p/dosbox/code-0/dosbox/trunk@1055
 2003-06-14 07:27:27 +00:00
Sjoerd van der Berg
019442ad4e Added HLT Instruction 
Imported-from: https://svn.code.sf.net/p/dosbox/code-0/dosbox/trunk@1054
 2003-06-14 07:26:53 +00:00
Sjoerd van der Berg
5794ebcb0e Added HLT instruction 
Imported-from: https://svn.code.sf.net/p/dosbox/code-0/dosbox/trunk@1053
 2003-06-14 07:24:17 +00:00
Ulf Wohlers
94ea572dc1 Added real mode iretd 
Imported-from: https://svn.code.sf.net/p/dosbox/code-0/dosbox/trunk@1052
 2003-06-12 13:01:12 +00:00
Sjoerd van der Berg
bb45fd24d7 Fix for 32-bit mov [offset],segment doing 32-bit store, should be 16. 
Imported-from: https://svn.code.sf.net/p/dosbox/code-0/dosbox/trunk@1051
 2003-06-12 12:03:59 +00:00
Sjoerd van der Berg
6f9016c8eb Added 32-bit BSF and BSR 
Imported-from: https://svn.code.sf.net/p/dosbox/code-0/dosbox/trunk@1046
 2003-06-10 08:50:28 +00:00
Sjoerd van der Berg
400da21a32 Added WAIT and 16-bit BSF,BSR 
Imported-from: https://svn.code.sf.net/p/dosbox/code-0/dosbox/trunk@1044
 2003-06-09 23:28:24 +00:00
Sjoerd van der Berg
40a4d72267 Some more 0x0f prefixed instructions related to protected mode. 
Imported-from: https://svn.code.sf.net/p/dosbox/code-0/dosbox/trunk@1040
 2003-06-03 18:06:53 +00:00
Sjoerd van der Berg
a8132aee39 Cleaned up a load of comments. 
Support for pmode related instructions to switch to other core.


Imported-from: https://svn.code.sf.net/p/dosbox/code-0/dosbox/trunk@1038
 2003-06-02 21:22:34 +00:00
Sjoerd van der Berg
f92993a121 add IN EAX,DX 
Imported-from: https://svn.code.sf.net/p/dosbox/code-0/dosbox/trunk@1037
 2003-06-02 21:22:01 +00:00
Sjoerd van der Berg
0682de08be Fix flags for AAM and AAD 
Don't check for nonsense rotates, since they do change the flags.


Imported-from: https://svn.code.sf.net/p/dosbox/code-0/dosbox/trunk@1036
 2003-06-02 21:20:17 +00:00
Sjoerd van der Berg
74c8142695 parity table isn't static anymore 
Imported-from: https://svn.code.sf.net/p/dosbox/code-0/dosbox/trunk@1035
 2003-06-02 21:19:08 +00:00
Sjoerd van der Berg
1169165d7f Allow switching of cpu cores through certain instructions. 
Imported-from: https://svn.code.sf.net/p/dosbox/code-0/dosbox/trunk@1034
 2003-06-02 21:18:38 +00:00
Sjoerd van der Berg
2667e412a2 FPU can be enabled/disasbled through C_FPU define. 
Imported-from: https://svn.code.sf.net/p/dosbox/code-0/dosbox/trunk@1019
 2003-05-27 12:07:46 +00:00
Sjoerd van der Berg
6295928842 Added support to call the FPU opcode handlers 
Imported-from: https://svn.code.sf.net/p/dosbox/code-0/dosbox/trunk@1018
 2003-05-27 12:00:38 +00:00