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Annotation of hatari/src/includes/decode.h, revision 1.1.1.5

1.1       root        1: /*
1.1.1.5 ! root        2:   Hatari - decode.h
        !             3: 
        !             4:   This file is distributed under the GNU Public License, version 2 or at
        !             5:   your option any later version. Read the file gpl.txt for details.
1.1       root        6: */
                      7: 
1.1.1.3   root        8: #ifndef HATARI_DECODE_H
                      9: #define HATARI_DECODE_H
1.1       root       10: 
1.1.1.3   root       11: #include "sound.h"
1.1       root       12: 
                     13: #include "sysdeps.h"
1.1.1.4   root       14: #include "maccess.h"
1.1       root       15: #include "memory.h"
                     16: #include "newcpu.h"
1.1.1.4   root       17: 
1.1       root       18: #define Regs regs.regs       /* Ouah - uggly hack - FIXME! */
1.1.1.5 ! root       19: #define SR regs.sr           /* Don't forget to call MakeFromSR() and MakeSR() */
        !            20: /*#define PC regs.pc*/       /* PC should be read with m68k_getpc() */
1.1       root       21: 
                     22: 
1.1.1.3   root       23: #define PENDING_INTERRUPT_FLAG_MFP      0x0001    /* 'PendingInterruptFlag' masks */
                     24: #define PENDING_INTERRUPT_FLAG_TRACE    0x0002
                     25: #define CLEAR_PENDING_INTERRUPT_FLAG_MFP   0xfffe
                     26: #define CLEAR_PENDING_INTERRUPT_FLAG_TRACE 0xfffd
                     27: 
                     28: 
                     29: extern  unsigned char STRam[16*1024*1024];
                     30: extern  short int PendingInterruptFlag;
                     31: extern  void *PendingInterruptFunction;
                     32: extern  short int PendingInterruptCount;
                     33: extern  unsigned long STRamEnd;
                     34: 
1.1       root       35: 
                     36: /*-----------------------------------------------------------------------*/
1.1.1.3   root       37: /* Offset ST address to PC pointer: */
                     38: #define STRAM_ADDR(Var)  ((unsigned long)STRam+((unsigned long)Var&0x00ffffff))
                     39: 
1.1       root       40: 
                     41: /*-----------------------------------------------------------------------*/
                     42: /* Set clock times for each instruction, see '68000 timing' pages for details */
                     43: /* NOTE All times are rounded up to nearest 4 cycles */
                     44: #define  ROUND_CYCLES_TO4(var)  (((int)(var)+3)&0xfffffffc)
                     45: 
                     46: static inline void ADD_CYCLES(op,r,w)
                     47: {
1.1.1.3   root       48:   PendingInterruptCount-= (op+3)&0xfffffffc;
                     49:   SoundCycles += (op+3)&0xfffffffc;
1.1       root       50: }
                     51: 
                     52: 
1.1.1.3   root       53: #endif   /* HATARI_DECODE_H */

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