80486DX2-66/86Box-fork
1
0
Fork 0
Code Issues Pull Requests Activity

For 486 and later, the emulator now allocates enough page array elements for the entire 4 GB of memory space.

Browse Source
This commit is contained in:
OBattler
2020-03-24 02:32:55 +01:00
parent 937befa4e7
commit 9553559019
1 changed files with 11 additions and 5 deletions
Download Patch File Download Diff File Expand all files Collapse all files

6
src/mem.c
View File

@@ -1976,12 +1976,18 @@ mem_reset(void)
m = 4096; m = 4096;
} else { } else {
/* 80386+; maximum address space is 4GB. */ /* 80386+; maximum address space is 4GB. */
if (is486) {
/* We need this since there might be BIOS execution at the end of RAM,
which could break the recompiler if there's not enough page elements. */
m = 1048576;
} else {
m = (mem_size + 384) >> 2; m = (mem_size + 384) >> 2;
if ((m << 2) < (mem_size + 384)) if ((m << 2) < (mem_size + 384))
m++; m++;
if (m < 4096) if (m < 4096)
m = 4096; m = 4096;
} }
}
} else { } else {
/* 8088/86; maximum address space is 1MB. */ /* 8088/86; maximum address space is 1MB. */
m = 256; m = 256;