Commit graph

25 commits

Author SHA1 Message Date
Aleksandar Andrejevic
7e119cf40b [SOFT386]
Implement the LES and LDS instructions.
Add optional support for BOPs (NTVDM-specific).
Fix prefix handling in some functions.
[NTVDM]
Enable BOPs for Soft386 (when NEW_EMULATOR is defined).
Fix the calling convention issue (softx86 uses cdecl, soft386 uses stdcall).


svn path=/branches/ntvdm/; revision=60395
2013-09-28 00:29:16 +00:00
Aleksandar Andrejevic
597a77ed3c [SOFT386]
Implement the IMUL instruction. Both versions have been implemented in Soft386OpcodeImulModrm.


svn path=/branches/ntvdm/; revision=60344
2013-09-23 17:29:42 +00:00
Aleksandar Andrejevic
432372c3b6 [SOFT386]
Implement the MOV AL/AX/EAX, off16/32 and MOV off16/32, AL/AX/EAX instructions.


svn path=/branches/ntvdm/; revision=60289
2013-09-21 18:44:59 +00:00
Aleksandar Andrejevic
34157419d7 [SOFT386]
Implement the INT, INT3 and INTO instructions (all 3 in Soft386OpcodeInt).


svn path=/branches/ntvdm/; revision=60256
2013-09-21 00:18:59 +00:00
Aleksandar Andrejevic
1d3d2fc07a [SOFT386]
Implement the RET instruction.


svn path=/branches/ntvdm/; revision=60229
2013-09-19 23:24:05 +00:00
Aleksandar Andrejevic
d3a6556ea5 [SOFT386]
Implement JECXZ, LOOP, LOOPZ and LOOPNZ.


svn path=/branches/ntvdm/; revision=60226
2013-09-19 22:48:45 +00:00
Hermès Bélusca-Maïto
1baee6b6b5 [SOFT386]: Fix compilation with MSVC.
svn path=/branches/ntvdm/; revision=60185
2013-09-17 20:41:26 +00:00
Aleksandar Andrejevic
f092154985 [SOFT386]
Implement many instructions (including ADC, SUB, CDQ, CWDE, ...), and "stubplement" even more of them.


svn path=/branches/ntvdm/; revision=60011
2013-09-10 20:41:43 +00:00
Aleksandar Andrejevic
ddcbb9ee92 [SOFT386]
Implement the TEST instruction, and the XCHG instruction which uses MOD-REG-R/M for operands.


svn path=/branches/ntvdm/; revision=59994
2013-09-05 23:48:07 +00:00
Aleksandar Andrejevic
f0040c12e8 [SOFT386]
Implement the OR, AND and XOR instructions.


svn path=/branches/ntvdm/; revision=59991
2013-09-04 18:28:58 +00:00
Aleksandar Andrejevic
9fd42c0f7d [SOFT386]
Fix a typo.
Use a macro (SOFT386_OPCODE_HANDLER) for function definitions of opcode handlers.
Implement the rest of the ADD opcodes.


svn path=/branches/ntvdm/; revision=59990
2013-09-04 16:36:39 +00:00
Aleksandar Andrejevic
5f874178e7 [SOFT386]
Implement helper functions for reading/writing operands of instructions that use
the MOD-REG-R/M byte.
Implement the MOD-REG-R/M ADD instruction for bytes.


svn path=/branches/ntvdm/; revision=59981
2013-09-04 01:11:12 +00:00
Aleksandar Andrejevic
b61bbb9d66 [SOFT386]
Implement the "MOV reg8, imm8" instruction.


svn path=/branches/ntvdm/; revision=59952
2013-09-01 17:54:51 +00:00
Aleksandar Andrejevic
179627bf40 [SOFT386]
Implement the opcodes for MOV reg16/32, imm16/32


svn path=/branches/ntvdm/; revision=59949
2013-09-01 16:19:29 +00:00
Aleksandar Andrejevic
50e90be14b [SOFT386]
Implement the short unconditional jump instruction (JMP imm8).


svn path=/branches/ntvdm/; revision=59932
2013-08-31 21:23:31 +00:00
Aleksandar Andrejevic
e8aa2372b7 [SOFT386]
Implement port I/O instructions.


svn path=/branches/ntvdm/; revision=59911
2013-08-31 02:13:58 +00:00
Aleksandar Andrejevic
7ecbd63471 [SOFT386]
Implement CMC instruction.


svn path=/branches/ntvdm/; revision=59892
2013-08-29 22:18:28 +00:00
Aleksandar Andrejevic
3925c4a3d8 [SOFT386]
Add Soft386OpcodeHalt to the opcode table.


svn path=/branches/ntvdm/; revision=59891
2013-08-29 22:11:33 +00:00
Aleksandar Andrejevic
5a14da958f [SOFT386]
Implement the CLC, STC, CLI, STI, CLD and STD instructions.


svn path=/branches/ntvdm/; revision=59876
2013-08-29 17:48:32 +00:00
Aleksandar Andrejevic
1143eab8a5 [SOFT386]
Implement short conditional jump opcodes.


svn path=/branches/ntvdm/; revision=59856
2013-08-28 17:52:21 +00:00
Aleksandar Andrejevic
3ad78aac17 [SOFT386]
Implement the following opcodes:
NOP
XCHG (E)AX, reg16/reg32


svn path=/branches/ntvdm/; revision=59819
2013-08-25 14:53:58 +00:00
Aleksandar Andrejevic
5a86737e91 [SOFT386]
Implement the following instructions:
PUSH reg16/reg32
POP reg16/reg32


svn path=/branches/ntvdm/; revision=59816
2013-08-25 12:17:24 +00:00
Aleksandar Andrejevic
fffdba9eb5 [SOFT386]
Implement the following opcodes:
INC reg16/reg32
DEC reg16/reg32


svn path=/branches/ntvdm/; revision=59814
2013-08-24 21:32:45 +00:00
Aleksandar Andrejevic
610999cb63 [SOFT386]
Implement prefix support.


svn path=/branches/ntvdm/; revision=59810
2013-08-24 11:48:38 +00:00
Aleksandar Andrejevic
675c38e1b9 [SOFT386]
Halfplement Soft386ExecutionControl.


svn path=/branches/ntvdm/; revision=59795
2013-08-22 22:54:59 +00:00