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Merge pull request #2 from lpproj/underdesk

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fix for fat16 build and DBCS
This commit is contained in:
PerditionC 2015-04-13 07:24:09 -04:00
commit 6e1274b1b3
4 changed files with 35 additions and 6 deletions
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18
kernel/config.c
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@ -1563,6 +1563,24 @@ err:printf("%s has invalid format\n", filename);
subf_data.length = /* MS-DOS "CTYINFO" is up to 38 bytes */ subf_data.length = /* MS-DOS "CTYINFO" is up to 38 bytes */
min(subf_data.length, sizeof(struct CountrySpecificInfo)); min(subf_data.length, sizeof(struct CountrySpecificInfo));
} }
if (hdr[i].id == 7)
{
if (subf_data.length == 0)
{
/* if DBCS table (in country.sys) is empty, clear internal table */
*(DWORD *)(subf_data.buffer) = 0L;
fmemcpy((BYTE FAR *)(table[hdr[i].id].p), subf_data.buffer, 4);
}
else
{
fmemcpy((BYTE FAR *)(table[hdr[i].id].p) + 2, subf_data.buffer, subf_data.length);
/* write length */
*(UWORD *)(subf_data.buffer) = subf_data.length;
fmemcpy((BYTE FAR *)(table[hdr[i].id].p), subf_data.buffer, 2);
}
continue;
}
fmemcpy((BYTE FAR *)(table[hdr[i].id].p) + 2, subf_data.buffer, fmemcpy((BYTE FAR *)(table[hdr[i].id].p) + 2, subf_data.buffer,
/* skip length ^*/ subf_data.length); /* skip length ^*/ subf_data.length);
} }

4
kernel/inthndlr.c
View File

@ -868,10 +868,8 @@ dispatch:
rc = DosGetCountryInformation(cntry, FP_DS_DX); rc = DosGetCountryInformation(cntry, FP_DS_DX);
if (rc >= SUCCESS) if (rc >= SUCCESS)
{ {
/* HACK FIXME */
if (cntry == (UWORD) - 1) if (cntry == (UWORD) - 1)
cntry = 1; cntry = nlsInfo.actPkg->cntry;
/* END OF HACK */
lr.AX = lr.BX = cntry; lr.AX = lr.BX = cntry;
} }
} }

3
kernel/nls_hc.asm
View File

@ -122,6 +122,7 @@ _nlsCollHardcoded:
GLOBAL _nlsDBCSHardcoded GLOBAL _nlsDBCSHardcoded
_nlsDBCSHardcoded: _nlsDBCSHardcoded:
?table7: ?table7:
DB 000h, 000h, 000h, 000h DB 000h, 000h, 000h, 000h, 000h, 000h, 000h, 000h
DB 000h, 000h
GLOBAL _hcTablesEnd GLOBAL _hcTablesEnd
_hcTablesEnd: _hcTablesEnd:

16
utils/exeflat.c
View File

@ -53,7 +53,7 @@ large portions copied from task.c
#define BUFSIZE 32768u #define BUFSIZE 32768u
#define KERNEL_START 0x10 /* the kernel code really starts here at 60:10 */ #define KERNEL_START 0x16 /* the kernel code really starts here at 60:16 */
typedef struct { typedef struct {
UWORD off, seg; UWORD off, seg;
@ -97,6 +97,7 @@ static int exeflat(const char *srcfile, const char *dstfile,
FILE *src, *dest; FILE *src, *dest;
short silentdone = 0; short silentdone = 0;
int compress_sys_file; int compress_sys_file;
UWORD realentry;
if ((src = fopen(srcfile, "rb")) == NULL) if ((src = fopen(srcfile, "rb")) == NULL)
{ {
@ -198,6 +199,16 @@ static int exeflat(const char *srcfile, const char *dstfile,
printf("\nProcessed %d relocations, %d not shown\n", printf("\nProcessed %d relocations, %d not shown\n",
header->exRelocItems, silentdone); header->exRelocItems, silentdone);
realentry = KERNEL_START;
if (buffers[0][0] == 0xeb /* jmp short */)
{
realentry = buffers[0][1] + 2;
}
else if (buffers[0][0] == 0xe9 /* jmp near */)
{
realentry = ((UWORD)(buffers[0][2]) << 8) + buffers[0][1] + 3;
}
if ((dest = fopen(dstfile, "wb+")) == NULL) if ((dest = fopen(dstfile, "wb+")) == NULL)
{ {
printf("Destination file %s could not be created\n", dstfile); printf("Destination file %s could not be created\n", dstfile);
@ -250,8 +261,9 @@ static int exeflat(const char *srcfile, const char *dstfile,
for (i = 0; i < 3; i++) for (i = 0; i < 3; i++)
dhdr[i] = 0xffff; dhdr[i] = 0xffff;
/* strategy will jump to us, interrupt never called */ /* strategy will jump to us, interrupt never called */
dhdr[3] = KERNEL_START; dhdr[3] = realentry; /* KERNEL_START; */
fwrite(dhdr, sizeof(dhdr), 1, dest); fwrite(dhdr, sizeof(dhdr), 1, dest);
printf("KERNEL_START = 0x%04x\n", realentry);
} }
fclose(dest); fclose(dest);
return compress_sys_file; return compress_sys_file;