--- np2/i286x/memory.h 2003/12/27 11:55:23 1.4 +++ np2/i286x/memory.h 2005/02/07 14:46:11 1.9 @@ -17,6 +17,8 @@ // 1e0000-1e7fff VRAM1 // 1f8000-1fffff ITF-ROM +#define USE_HIMEM 0x110000 + enum { VRAM_STEP = 0x100000, VRAM_B = 0x0a8000, @@ -44,19 +46,20 @@ enum { extern "C" { #endif -extern BYTE mem[0x200000]; +extern UINT8 mem[0x200000]; void MEMCALL i286_memorymap(UINT type); +void MEMCALL i286_romareamap(UINT16 map); void MEMCALL i286_vram_dispatch(UINT operate); -BYTE MEMCALL i286_memoryread(UINT32 address); +UINT8 MEMCALL i286_memoryread(UINT32 address); UINT16 MEMCALL i286_memoryread_w(UINT32 address); -void MEMCALL i286_memorywrite(UINT32 address, BYTE value); +void MEMCALL i286_memorywrite(UINT32 address, UINT8 value); void MEMCALL i286_memorywrite_w(UINT32 address, UINT16 value); -BYTE MEMCALL i286_membyte_read(UINT seg, UINT off); +UINT8 MEMCALL i286_membyte_read(UINT seg, UINT off); UINT16 MEMCALL i286_memword_read(UINT seg, UINT off); -void MEMCALL i286_membyte_write(UINT seg, UINT off, BYTE value); +void MEMCALL i286_membyte_write(UINT seg, UINT off, UINT8 value); void MEMCALL i286_memword_write(UINT seg, UINT off, UINT16 value); void MEMCALL i286_memstr_read(UINT seg, UINT off, void *dat, UINT leng); @@ -66,6 +69,34 @@ void MEMCALL i286_memstr_write(UINT seg, void MEMCALL i286_memx_read(UINT32 address, void *dat, UINT leng); void MEMCALL i286_memx_write(UINT32 address, const void *dat, UINT leng); + +// ---- Physical Space (DMA) + +#define MEMP_READ8(addr) \ + i286_memoryread((addr)) +#define MEMP_WRITE8(addr, dat) \ + i286_memorywrite((addr), (dat)) + + +// ---- Logical Space (BIOS) + +#define MEML_READ8(seg, off) \ + i286_membyte_read((seg), (off)) +#define MEML_READ16(seg, off) \ + i286_memword_read((seg), (off)) +#define MEML_WRITE8(seg, off, dat) \ + i286_membyte_write((seg), (off), (dat)); +#define MEML_WRITE16(seg, off, dat) \ + i286_memword_write((seg), (off), (dat)); +#define MEML_READSTR(seg, off, dat, leng) \ + i286_memstr_read((seg), (off), (dat), (leng)) +#define MEML_WRITESTR(seg, off, dat, leng) \ + i286_memstr_write((seg), (off), (dat), (leng)) +#define MEML_READ(addr, dat, leng) \ + i286_memx_read((addr), (dat), (leng)) +#define MEML_WRITE(addr, dat, leng) \ + i286_memx_write((addr), (dat), (leng)) + #ifdef __cplusplus } #endif