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Annotation of previous/src/includes/nextMemory.h, revision 1.1.1.1

1.1       root        1: /*
                      2:   Hatari - stMemory.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.
                      6: */
                      7: 
                      8: #ifndef HATARI_STMEMORY_H
                      9: #define HATARI_STMEMORY_H
                     10: 
                     11: #include "main.h"
                     12: #include "sysdeps.h"
                     13: #include "maccess.h"
                     14: #include "memory.h"
                     15: 
                     16: extern Uint32 NEXTRamEnd;
                     17: 
                     18: extern Uint8 NEXTRam[64*1024*1024];
                     19: extern Uint8 NEXTRom[0x20000];
                     20: extern Uint8 NEXTIo[0x20000];
                     21: 
                     22: 
                     23: 
                     24: /* Offset NEXT address to PC pointer: */
                     25: // # define NEXTRAM_ADDR(Var)  ((unsigned long)NEXTRam+((Uint32)(Var) & 0x03ffffff))
                     26: 
                     27: 
                     28: /**
                     29:  * Check whether given memory address and size are within
                     30:  * valid memory area (i.e. read/write from/to there doesn't
                     31:  * overwrite Hatari's own memory & cause potential segfaults)
                     32:  * and that the size is positive.
                     33:  * 
                     34:  * If they are; return true, otherwise false.
                     35:  */
                     36: static inline bool NEXTMemory_ValidArea(Uint32 addr, int size)
                     37: {
                     38:        // we are a bit optimistic...
                     39:                return true;
                     40: }
                     41: 
                     42: 
                     43: /**
                     44:  * Write 32-bit word into ST memory space.
                     45:  * NOTE - value will be convert to 68000 endian
                     46:  */
                     47: static inline void NEXTMemory_WriteLong(Uint32 Address, Uint32 Var)
                     48: {
                     49:        put_long(Address, Var);
                     50: }
                     51: 
                     52: 
                     53: /**
                     54:  * Write 16-bit word into ST memory space.
                     55:  * NOTE - value will be convert to 68000 endian.
                     56:  */
                     57: static inline void NEXTMemory_WriteWord(Uint32 Address, Uint16 Var)
                     58: {
                     59:        put_word(Address, Var);
                     60: }
                     61: 
                     62: /**
                     63:  * Write 8-bit byte into ST memory space.
                     64:  */
                     65: static inline void NEXTMemory_WriteByte(Uint32 Address, Uint8 Var)
                     66: {
                     67:        put_byte(Address, Var);
                     68: }
                     69: 
                     70: 
                     71: /**
                     72:  * Read 32-bit word from ST memory space.
                     73:  * NOTE - value will be converted to PC endian.
                     74:  */
                     75: static inline Uint32 NEXTMemory_ReadLong(Uint32 Address)
                     76: {
                     77:        return get_long(Address);
                     78: }
                     79: 
                     80: 
                     81: /**
                     82:  * Read 16-bit word from ST memory space.
                     83:  * NOTE - value will be converted to PC endian.
                     84:  */
                     85: static inline Uint16 NEXTMemory_ReadWord(Uint32 Address)
                     86: {
                     87:        return get_word(Address);
                     88: }
                     89: 
                     90: 
                     91: /**
                     92:  * Read 8-bit byte from ST memory space
                     93:  */
                     94: static inline Uint8 NEXTMemory_ReadByte(Uint32 Address)
                     95: {
                     96:        return get_byte(Address);
                     97: }
                     98: 
                     99: 
                    100: extern void NEXTMemory_Clear(Uint32 StartAddress, Uint32 EndAddress);
                    101: extern void NEXTMemory_MemorySnapShot_Capture(bool bSave);
                    102: extern void NEXTMemory_SetDefaultConfig(void);
                    103: 
                    104: #endif

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