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Diff for /np2/i386c/Attic/mem9821.c between versions 1.2 and 1.6

version 1.2, 2004/03/09 23:39:19 version 1.6, 2005/02/08 14:38:56
Line 1 Line 1
 #include        "compiler.h"  
 #include        "cpucore.h"  
 #include        "mem9821.h"  
 #include        "pccore.h"  
 #include        "iocore.h"  
 #include        "vram.h"  
   
   #error  move: /mem/memvga.c
 void MEMCALL mem9821_w(UINT32 addr, REG8 value) {  
   
         UINT8   bit;  
   
         addr = addr & 0x7ffff;  
         vramex[addr] = value;  
         bit = (addr & 0x40000)?2:1;  
         vramupdate[LOW15(addr >> 3)] |= bit;  
         gdcs.grphdisp |= bit;  
 //      TRACEOUT(("mem9821_w %x %x", addr, value));  
 }  
   
 REG8 MEMCALL mem9821_r(UINT32 addr) {  
   
         return(vramex[addr & 0x7ffff]);  
 }  
   
 void MEMCALL mem9821_ww(UINT32 addr, REG16 value) {  
   
         UINT8   bit;  
   
         addr = addr & 0x7ffff;  
         STOREINTELWORD(vramex + addr, value);  
         bit = (addr & 0x40000)?2:1;  
         vramupdate[LOW15(addr >> 3)] |= bit;  
         vramupdate[LOW15((addr + 1) >> 3)] |= bit;  
         gdcs.grphdisp |= bit;  
 //      TRACEOUT(("mem9821_ww %x %x", addr, value));  
 }  
   
 REG16 MEMCALL mem9821_rw(UINT32 addr) {  
   
         addr = addr & 0x7ffff;  
         return(LOADINTELWORD(vramex + addr));  
 }  
   
   
 // ----  
   
 void MEMCALL mem9821_b0w(UINT32 address, REG8 value) {  
   
         UINT32  addr;  
   
         address -= 0xa8000;  
         addr = (vramop.bank2[((address >> 14) & 2)] & 15) << 15;  
         addr += LOW15(address);  
         vramex[addr] = value;  
         vramupdate[LOW15(addr >> 3)] |= (addr & 0x40000)?2:1;  
         gdcs.grphdisp |= (addr & 0x40000)?2:1;  
 }  
   
 REG8 MEMCALL mem9821_b0r(UINT32 address) {  
   
         UINT32  addr;  
   
         address -= 0xa8000;  
         addr = (vramop.bank2[((address >> 14) & 2)] & 15) << 15;  
         addr += LOW15(address);  
         return(vramex[addr]);  
 }  
   
 void MEMCALL mem9821_b0ww(UINT32 address, REG16 value) {  
   
         mem9821_b0w(address + 0, value);  
         mem9821_b0w(address + 1, value >> 8);  
 }  
   
 REG16 MEMCALL mem9821_b0rw(UINT32 address) {  
   
         REG16   ret;  
   
         ret = mem9821_b0r(address);  
         ret |= mem9821_b0r(address + 1) << 8;  
         return(ret);  
 }  
   
   
 void MEMCALL mem9821_b2w(UINT32 address, REG8 value) {  
   
         address -= 0xe0004;  
         if (address < 4) {  
                 vramop.bank2[address] = value;  
 //              TRACEOUT(("bank2[%d] = %.2x", address, value));  
         }  
 }  
   
 REG8 MEMCALL mem9821_b2r(UINT32 address) {  
   
         address -= 0xe0004;  
         if (address < 4) {  
                 return(vramop.bank2[address]);  
         }  
         return(0xff);  
 }  
   
 void MEMCALL mem9821_b2ww(UINT32 address, REG16 value) {  
   
         mem9821_b2w(address + 0, value);  
         mem9821_b2w(address + 1, value >> 8);  
 }  
   
 REG16 MEMCALL mem9821_b2rw(UINT32 address) {  
   
         REG16   ret;  
   
         ret = mem9821_b2r(address);  
         ret |= mem9821_b2r(address + 1) << 8;  
         return(ret);  
 }  
   
Removed from v.1.2  
changed lines
  Added in v.1.6

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