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Initial port to Linux (using Allegro).

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64-bit fixes.
Some changes to aid portability.
A few other tweaks.
This commit is contained in:
TomW 2014-09-04 21:07:24 +01:00
commit 56b455844e
70 changed files with 12702 additions and 282 deletions
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17
src/386.c
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@ -8,7 +8,6 @@
#include "cpu.h"
#include "fdc.h"
#include "timer.h"
#include "video.h"
x86seg *ea_seg;
@ -79,12 +78,12 @@ int cgate32;
#undef writememb
#define readmemb(s,a) ((readlookup2[((s)+(a))>>12]==0xFFFFFFFF || (s)==0xFFFFFFFF)?readmemb386l(s,a): *(uint8_t *)(readlookup2[((s)+(a))>>12] + (s) + (a)) )
#define readmemb(s,a) ((readlookup2[((s)+(a))>>12]==-1 || (s)==0xFFFFFFFF)?readmemb386l(s,a): *(uint8_t *)(readlookup2[((s)+(a))>>12] + (s) + (a)) )
#define writememb(s,a,v) if (writelookup2[((s)+(a))>>12]==0xFFFFFFFF || (s)==0xFFFFFFFF) writememb386l(s,a,v); else *(uint8_t *)(writelookup2[((s) + (a)) >> 12] + (s) + (a)) = v
#define writememb(s,a,v) if (writelookup2[((s)+(a))>>12]==-1 || (s)==0xFFFFFFFF) writememb386l(s,a,v); else *(uint8_t *)(writelookup2[((s) + (a)) >> 12] + (s) + (a)) = v
#define writememw(s,a,v) if (writelookup2[((s)+(a))>>12]==0xFFFFFFFF || (s)==0xFFFFFFFF || (((s)+(a))&0xFFF)>0xFFE) writememwl(s,a,v); else *(uint16_t *)(writelookup2[((s) + (a)) >> 12] + (s) + (a)) = v
#define writememl(s,a,v) if (writelookup2[((s)+(a))>>12]==0xFFFFFFFF || (s)==0xFFFFFFFF || (((s)+(a))&0xFFF)>0xFFC) writememll(s,a,v); else *(uint32_t *)(writelookup2[((s) + (a)) >> 12] + (s) + (a)) = v
#define writememw(s,a,v) if (writelookup2[((s)+(a))>>12]==-1 || (s)==0xFFFFFFFF || (((s)+(a))&0xFFF)>0xFFE) writememwl(s,a,v); else *(uint16_t *)(writelookup2[((s) + (a)) >> 12] + (s) + (a)) = v
#define writememl(s,a,v) if (writelookup2[((s)+(a))>>12]==-1 || (s)==0xFFFFFFFF || (((s)+(a))&0xFFF)>0xFFC) writememll(s,a,v); else *(uint32_t *)(writelookup2[((s) + (a)) >> 12] + (s) + (a)) = v
uint8_t romext[32768];
@ -292,9 +291,9 @@ static inline void fetch_ea_32_long(uint32_t rmdat)
}
if (easeg != 0xFFFFFFFF && ((easeg + eaaddr) & 0xFFF) <= 0xFFC)
{
if ( readlookup2[(easeg + eaaddr) >> 12] != 0xFFFFFFFF)
if ( readlookup2[(easeg + eaaddr) >> 12] != -1)
eal_r = (uint32_t *)(readlookup2[(easeg + eaaddr) >> 12] + easeg + eaaddr);
if (writelookup2[(easeg + eaaddr) >> 12] != 0xFFFFFFFF)
if (writelookup2[(easeg + eaaddr) >> 12] != -1)
eal_w = (uint32_t *)(writelookup2[(easeg + eaaddr) >> 12] + easeg + eaaddr);
}
}
@ -333,9 +332,9 @@ static inline void fetch_ea_16_long(uint32_t rmdat)
}
if (easeg != 0xFFFFFFFF && ((easeg + eaaddr) & 0xFFF) <= 0xFFC)
{
if ( readlookup2[(easeg + eaaddr) >> 12] != 0xFFFFFFFF)
if ( readlookup2[(easeg + eaaddr) >> 12] != -1)
eal_r = (uint32_t *)(readlookup2[(easeg + eaaddr) >> 12] + easeg + eaaddr);
if (writelookup2[(easeg + eaaddr) >> 12] != 0xFFFFFFFF)
if (writelookup2[(easeg + eaaddr) >> 12] != -1)
eal_w = (uint32_t *)(writelookup2[(easeg + eaaddr) >> 12] + easeg + eaaddr);
}
}