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Support IDE hard drives up to 127 GB.

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This commit is contained in:
SarahW 2018-02-27 22:00:24 +00:00
commit 59aad3eaaf
2 changed files with 14 additions and 5 deletions
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5
src/ide.c
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@ -164,7 +164,10 @@ static void ide_identify(IDE *ide)
//ide->buffer[1] = 101; /* Cylinders */
ide->buffer[1] = hdc[cur_ide[ide->board]].tracks; /* Cylinders */
if ((hdc[cur_ide[ide->board]].tracks * hdc[cur_ide[ide->board]].hpc * hdc[cur_ide[ide->board]].spt) >= 16514064)
ide->buffer[1] = 16383;
else
ide->buffer[1] = hdc[cur_ide[ide->board]].tracks; /* Cylinders */
ide->buffer[3] = hdc[cur_ide[ide->board]].hpc; /* Heads */
ide->buffer[6] = hdc[cur_ide[ide->board]].spt; /* Sectors */

14
src/wx-config.c
View file

@ -19,6 +19,8 @@
#include "video.h"
#include "vid_voodoo.h"
//#define MAX_CYLINDERS ((((1 << 28)-1) / 16) / 63)
#define MAX_CYLINDERS 265264 /*Award 430VX won't POST with a larger drive*/
extern int pause;
extern int is486;
@ -1435,9 +1437,11 @@ static int hdnew_dlgproc(void* hdlg, int message, INT_PARAM wParam, LONG_PARAM l
wx_messagebox(hdlg, "Drive has too many heads (maximum is 16)", "PCem error", WX_MB_OK);
return TRUE;
}
if (hd_new_cyl > 16383)
if (hd_new_cyl > MAX_CYLINDERS)
{
wx_messagebox(hdlg, "Drive has too many cylinders (maximum is 16383)", "PCem error", WX_MB_OK);
char s[256];
sprintf(s, "Drive has too many cylinders (maximum is %i)", MAX_CYLINDERS);
wx_messagebox(hdlg, s, "PCem error", WX_MB_OK);
return TRUE;
}
@ -1577,9 +1581,11 @@ static int hdsize_dlgproc(void* hdlg, int message, INT_PARAM wParam, LONG_PARAM
wx_messagebox(hdlg,"Drive has too many heads (maximum is 16)","PCem error",WX_MB_OK);
return TRUE;
}
if (hd_new_cyl > 16383)
if (hd_new_cyl > MAX_CYLINDERS)
{
wx_messagebox(hdlg,"Drive has too many cylinders (maximum is 16383)","PCem error",WX_MB_OK);
char s[256];
sprintf(s, "Drive has too many cylinders (maximum is %i)", MAX_CYLINDERS);
wx_messagebox(hdlg,s,"PCem error",WX_MB_OK);
return TRUE;
}