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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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15
src/ibm.h
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@ -9,17 +9,17 @@ uint8_t *ram,*vram;
uint32_t rammask;
int readlookup[256],readlookupp[256];
uint32_t *readlookup2;
uintptr_t *readlookup2;
int readlnext;
int writelookup[256],writelookupp[256];
uint32_t *writelookup2;
uintptr_t *writelookup2;
int writelnext;
extern int mmu_perm;
#define readmemb(a) ((readlookup2[(a)>>12]==0xFFFFFFFF)?readmembl(a):*(uint8_t *)(readlookup2[(a) >> 12] + (a)))
#define readmemw(s,a) ((readlookup2[((s)+(a))>>12]==0xFFFFFFFF || (s)==0xFFFFFFFF || (((s)+(a))&0xFFF)>0xFFE)?readmemwl(s,a):*(uint16_t *)(readlookup2[((s)+(a))>>12]+(s)+(a)))
#define readmeml(s,a) ((readlookup2[((s)+(a))>>12]==0xFFFFFFFF || (s)==0xFFFFFFFF || (((s)+(a))&0xFFF)>0xFFC)?readmemll(s,a):*(uint32_t *)(readlookup2[((s)+(a))>>12]+(s)+(a)))
#define readmemb(a) ((readlookup2[(a)>>12]==-1)?readmembl(a):*(uint8_t *)(readlookup2[(a) >> 12] + (a)))
#define readmemw(s,a) ((readlookup2[((s)+(a))>>12]==-1 || (s)==0xFFFFFFFF || (((s)+(a))&0xFFF)>0xFFE)?readmemwl(s,a):*(uint16_t *)(readlookup2[((s)+(a))>>12]+(s)+(a)))
#define readmeml(s,a) ((readlookup2[((s)+(a))>>12]==-1 || (s)==0xFFFFFFFF || (((s)+(a))&0xFFF)>0xFFC)?readmemll(s,a):*(uint32_t *)(readlookup2[((s)+(a))>>12]+(s)+(a)))
//#define writememb(a,v) if (writelookup2[(a)>>12]==0xFFFFFFFF) writemembl(a,v); else ram[writelookup2[(a)>>12]+((a)&0xFFF)]=v
//#define writememw(s,a,v) if (writelookup2[((s)+(a))>>12]==0xFFFFFFFF || (s)==0xFFFFFFFF) writememwl(s,a,v); else *((uint16_t *)(&ram[writelookup2[((s)+(a))>>12]+(((s)+(a))&0xFFF)]))=v
@ -473,3 +473,8 @@ extern uint64_t timer_freq;
void loadconfig(char *fn);
extern int infocus;
void onesec();