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| version 1.15, 2004/01/10 17:24:01 | version 1.16, 2004/01/25 05:41:29 |
|---|---|
| Line 57 void i286x_initialize(void) { | Line 57 void i286x_initialize(void) { |
| v30xinit(); | v30xinit(); |
| } | } |
| void i286x_deinitialize(void) { | |
| if (CPU_EXTMEM) { | |
| _MFREE(CPU_EXTMEM); | |
| CPU_EXTMEM = NULL; | |
| CPU_EXTMEMSIZE = 0; | |
| } | |
| } | |
| static void i286x_initreg(void) { | static void i286x_initreg(void) { |
| I286_CS = 0xf000; | I286_CS = 0xf000; |
| Line 78 void i286x_shut(void) { | Line 87 void i286x_shut(void) { |
| i286x_initreg(); | i286x_initreg(); |
| } | } |
| void i286x_setextsize(UINT32 size) { | |
| if (CPU_EXTMEMSIZE != size) { | |
| _MFREE(CPU_EXTMEM); | |
| if (size) { | |
| CPU_EXTMEM = (BYTE *)_MALLOC(size + 16, "EXTMEM"); | |
| if (CPU_EXTMEM == NULL) { | |
| size = 0; | |
| } | |
| } | |
| CPU_EXTMEMSIZE = size; | |
| } | |
| i286core.e.ems[0] = mem + 0xc0000; | |
| i286core.e.ems[1] = mem + 0xc4000; | |
| i286core.e.ems[2] = mem + 0xc8000; | |
| i286core.e.ems[3] = mem + 0xcc000; | |
| } | |
| void i286x_setemm(UINT frame, UINT32 addr) { | |
| BYTE *ptr; | |
| frame &= 3; | |
| if (addr < USE_HIMEM) { | |
| ptr = mem + addr; | |
| } | |
| else if ((addr - 0x100000 + 0x4000) <= CPU_EXTMEMSIZE) { | |
| ptr = CPU_EXTMEM + (addr - 0x100000); | |
| } | |
| else { | |
| ptr = mem + 0xc0000 + (frame << 14); | |
| } | |
| i286core.e.ems[frame] = ptr; | |
| } | |
| LABEL void i286x_resetprefetch(void) { | LABEL void i286x_resetprefetch(void) { |