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Changed main cpu core to use the new timing variables and removed some old stuff.

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Imported-from: https://svn.code.sf.net/p/dosbox/code-0/dosbox/trunk@508
This commit is contained in:
Sjoerd van der Berg 2002-11-17 08:41:33 +00:00
parent 0dbbf37f95
commit 3885bee68b
1 changed files with 11 additions and 28 deletions
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39
src/cpu/slow_16.cpp
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@ -60,12 +60,11 @@ extern Bitu cycle_count;
#endif
#include "core_16/support.h"
static Bitu CPU_Real_16_Slow_Decode_Special(Bits count);
static Bitu CPU_Real_16_Slow_Decode_Trap(Bits count);
static Bitu CPU_Real_16_Slow_Decode_Trap(void);
static Bitu CPU_Real_16_Slow_Decode(Bits count) {
static Bitu CPU_Real_16_Slow_Decode(void) {
#include "core_16/start.h"
do {
while (CPU_Cycles>0) {
#if C_DEBUG
cycle_count++;
#endif
@ -73,43 +72,27 @@ static Bitu CPU_Real_16_Slow_Decode(Bits count) {
SAVEIP;
if (DEBUG_HeavyIsBreakpoint()) return CBRET_NONE;
#endif
#include "core_16/main.h"
} while (--count>0);
#include "core_16/main.h"
// if (prefix.count) LOG_DEBUG("Prefix for non prefixed instruction");
CPU_Cycles--;
}
#include "core_16/stop.h"
return CBRET_NONE;
}
static Bitu CPU_Real_16_Slow_Decode_Trap(Bits count)
{
CPU_Real_16_Slow_Decode(1);
static Bitu CPU_Real_16_Slow_Decode_Trap(void) {
CPU_Real_16_Slow_Decode();
LOG_DEBUG("TRAP: Trap Flag executed");
INTERRUPT(1);
cpudecoder=&CPU_Real_16_Slow_Decode;
return CBRET_NONE;
};
static Bitu CPU_Real_16_Slow_Decode_Special(Bits count) {
while (count>0) {
if (flags.tf) {
Interrupt(3);
cpudecoder=&CPU_Real_16_Slow_Decode;
return CBRET_NONE;
}
CPU_Real_16_Slow_Decode(1);
if (!flags.tf) {
cpudecoder=&CPU_Real_16_Slow_Decode;
return CBRET_NONE;
};
count--;
}
return CBRET_NONE;
}
void CPU_Real_16_Slow_Start(void) {
void CPU_Real_16_Slow_Start(void) {
cpudecoder=&CPU_Real_16_Slow_Decode;
EAPrefixTable[0]=&GetEA_16_n;
EAPrefixTable[1]=&GetEA_16_s;