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#define _RAM 0x10000000 /* NES internal 2k RAM */
#define _ROM 0x10010000 /* ROM Image */
#define _CODE_BASE 0x12000000 /* translated code */
#define _INT_MAP 0x13000000 /* translation address map */
#define _ZPMEM _RAM
#define _STACK _ZPMEM+0x100 /* Stack at 0100 */
#define _NVRAM _RAM+0x6000 /* Battery RAM (mapped to 6000 in 6502 address space) */
#define _REG1 0x10002000 /* ioregs mapped to 2000 in 6502 memory */
#define _REG2 0x10004000 /* ioregs mapped to 4000 in 6502 memory */
#define _VFLAG VFLAG /* Store overflow flag */
#define _FLAGS FLAGS /* Store 6502 process status reg */
#define _STACKPTR STACKPTR /* Store 6502 stack pointer */
#define _PCR PCR /* Store 6502 program counter */
#define _XPC XPC /* Translated program counter */
#define _INRET INRET /* Input data return value */
#define _CTNI CTNI /* Cycles to next interrupt */
#define _SCANPOS SCANPOS /* Current scanline position */
#define _VRAMPTR VRAMPTR /* address to read/write video memory */
#define _DMOD DMOD /* Dest addr to modify */
#define _LASTBANK LASTBANK /* Last memory page code executed in */
/* C type definitions */
#ifndef u_char
#define u_char unsigned char
#endif
#define RAM ((u_char *)(_RAM)) /* NES internal 2k RAM */
#define ZPMEM ((u_char *)(_ZPMEM)) /* Zero page */
#define STACK ((u_char *)(_STACK)) /* stack page */
#define NVRAM ((u_char *)(_NVRAM)) /* Battery RAM */
#define REG1 _REG1
#define REG2 _REG2
#define ROM ((u_char *)(_ROM)) /* ROM Image */
#define CODE_BASE ((u_char *)(_CODE_BASE)) /* translated code */
#define INT_MAP ((unsigned int *)_INT_MAP) /* translation address map */
#define VRAM vram /* Video memory */
#define MAXMAPPER 11
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