Author: aandrejevic
Date: Sun Nov 10 18:14:40 2013
New Revision: 60919
URL:
http://svn.reactos.org/svn/reactos?rev=60919&view=rev
Log:
[NTVDM]
Remove unnecessary indentation and clarify the code a bit.
Modified:
branches/ntvdm/subsystems/ntvdm/int32.c
Modified: branches/ntvdm/subsystems/ntvdm/int32.c
URL:
http://svn.reactos.org/svn/reactos/branches/ntvdm/subsystems/ntvdm/int32.c?…
==============================================================================
--- branches/ntvdm/subsystems/ntvdm/int32.c [iso-8859-1] (original)
+++ branches/ntvdm/subsystems/ntvdm/int32.c [iso-8859-1] Sun Nov 10 18:14:40 2013
@@ -130,40 +130,38 @@
{
LPDWORD IntVecTable = (LPDWORD)BaseAddress;
LPBYTE BiosCode = (LPBYTE)SEG_OFF_TO_PTR(BiosSegment, 0);
-
USHORT i;
WORD CommonStub, BopSeqOffset, Offset;
- CommonStub = Offset = 0x00;
+ CommonStub = Offset = 0;
/* Write the common stub code */
- {
+
// BOP_SEQ:
- BiosCode[Offset++] = 0xF8; // clc
+ BiosCode[Offset++] = 0xF8; // clc
- BiosCode[Offset++] = LOBYTE(EMULATOR_BOP); // BOP sequence
- BiosCode[Offset++] = HIBYTE(EMULATOR_BOP);
- BiosCode[Offset++] = EMULATOR_CTRL_BOP; // Control BOP
- BiosCode[Offset++] = CTRL_BOP_INT32; // 32-bit Interrupt dispatcher
+ BiosCode[Offset++] = LOBYTE(EMULATOR_BOP); // BOP sequence
+ BiosCode[Offset++] = HIBYTE(EMULATOR_BOP);
+ BiosCode[Offset++] = EMULATOR_CTRL_BOP; // Control BOP
+ BiosCode[Offset++] = CTRL_BOP_INT32; // 32-bit Interrupt dispatcher
- BiosCode[Offset++] = 0x73; // jnc EXIT (offset +4)
- BiosCode[Offset++] = 0x04;
+ BiosCode[Offset++] = 0x73; // jnc EXIT (offset +4)
+ BiosCode[Offset++] = 0x04;
- BiosCode[Offset++] = 0xFB; // sti
+ BiosCode[Offset++] = 0xFB; // sti
- // HACK: The following instruction should be HLT!
- BiosCode[Offset++] = 0x90; // nop
+ // HACK: The following instruction should be HLT!
+ BiosCode[Offset++] = 0x90; // nop
- BiosCode[Offset++] = 0xEB; // jmp BOP_SEQ (offset -11)
- BiosCode[Offset++] = 0xF5;
+ BiosCode[Offset++] = 0xEB; // jmp BOP_SEQ (offset -11)
+ BiosCode[Offset++] = 0xF5;
// EXIT:
- BiosCode[Offset++] = 0x83; // add sp, 4
- BiosCode[Offset++] = 0xC4;
- BiosCode[Offset++] = 0x04;
+ BiosCode[Offset++] = 0x83; // add sp, 4
+ BiosCode[Offset++] = 0xC4;
+ BiosCode[Offset++] = 0x04;
- BiosCode[Offset++] = 0xCF; // iret
- }
+ BiosCode[Offset++] = 0xCF; // iret
/* Generate ISR stubs and fill the IVT */
for (i = 0x00; i <= 0xFF; i++)
@@ -178,12 +176,11 @@
BiosCode[Offset++] = 0x6A; // push 0
BiosCode[Offset++] = 0x00;
- BopSeqOffset = CommonStub - Offset - 3;
+ BopSeqOffset = CommonStub - (Offset + 3);
- BiosCode[Offset+0] = 0xE9; // jmp near BOP_SEQ
- BiosCode[Offset+1] = LOBYTE(BopSeqOffset);
- BiosCode[Offset+2] = HIBYTE(BopSeqOffset);
- Offset+=3;
+ BiosCode[Offset++] = 0xE9; // jmp near BOP_SEQ
+ BiosCode[Offset++] = LOBYTE(BopSeqOffset);
+ BiosCode[Offset++] = HIBYTE(BopSeqOffset);
}
}