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| version 1.4, 2003/12/25 19:26:55 | version 1.10, 2004/01/25 06:01:31 |
|---|---|
| Line 73 const UINT8 iflags[512] = { // Z_FLA | Line 73 const UINT8 iflags[512] = { // Z_FLA |
| // ---- | // ---- |
| void i286a_reset(void) { | void i286a_initialize(void) { |
| ZeroMemory(&i286acore, sizeof(i286acore)); | |
| } | |
| void i286a_deinitialize(void) { | |
| if (CPU_EXTMEM) { | |
| _MFREE(CPU_EXTMEM); | |
| CPU_EXTMEM = NULL; | |
| CPU_EXTMEMSIZE = 0; | |
| } | |
| } | |
| static void i286a_initreg(void) { | |
| ZeroMemory(&CPU_STATSAVE, sizeof(CPU_STATSAVE)); | CPU_CS = 0xf000; |
| CPU_CS = 0xffff; | CS_BASE = 0xf0000; |
| CS_BASE = 0xffff0; | CPU_IP = 0xfff0; |
| CPU_ADRSMASK = 0xfffff; | CPU_ADRSMASK = 0xfffff; |
| } | } |
| void i286a_reset(void) { | |
| #if 0 | |
| if (offsetof(I286CORE, m) != 120) { | |
| exit(1); | |
| } | |
| #endif | |
| ZeroMemory(&i286acore.s, sizeof(i286acore.s)); | |
| i286a_initreg(); | |
| } | |
| void i286a_shut(void) { | void i286a_shut(void) { |
| CPU_CS = 0xffff; | ZeroMemory(&i286acore.s, offsetof(I286STAT, cpu_type)); |
| CS_BASE = 0xffff0; | i286a_initreg(); |
| CPU_IP = 0; | } |
| CPU_ADRSMASK = 0xfffff; | |
| void i286a_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 i286a_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; | |
| } | } |