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PDP11: Enhance LOAD command to be able to load from an in host memory image.

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This commit is contained in:
Mark Pizzolato 2016-01-10 17:26:47 -08:00
parent ab8123e9b6
commit 542b2cbf08
1 changed files with 3 additions and 3 deletions
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6
PDP11/pdp11_sys.c
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@ -248,7 +248,7 @@ if ((*cptr != 0) || (flag != 0))
do { /* block loop */ do { /* block loop */
csum = 0; /* init checksum */ csum = 0; /* init checksum */
for (i = 0; i < 6; ) { /* 6 char header */ for (i = 0; i < 6; ) { /* 6 char header */
if ((c[i] = getc (fileref)) == EOF) if ((c[i] = Fgetc (fileref)) == EOF)
return SCPE_FMT; return SCPE_FMT;
if ((i != 0) || (c[i] == 1)) /* 1st must be 1 */ if ((i != 0) || (c[i] == 1)) /* 1st must be 1 */
csum = csum + c[i++]; /* add into csum */ csum = csum + c[i++]; /* add into csum */
@ -263,7 +263,7 @@ do { /* block loop */
return SCPE_OK; return SCPE_OK;
} }
for (i = 6; i < cnt; i++) { /* exclude hdr */ for (i = 6; i < cnt; i++) { /* exclude hdr */
if ((d = getc (fileref)) == EOF) /* data char */ if ((d = Fgetc (fileref)) == EOF) /* data char */
return SCPE_FMT; return SCPE_FMT;
csum = csum + d; /* add into csum */ csum = csum + d; /* add into csum */
if (org >= MEMSIZE) /* invalid addr? */ if (org >= MEMSIZE) /* invalid addr? */
@ -273,7 +273,7 @@ do { /* block loop */
(M[org >> 1] & 0177400) | (uint16)d; (M[org >> 1] & 0177400) | (uint16)d;
org = (org + 1) & 0177777; /* inc origin */ org = (org + 1) & 0177777; /* inc origin */
} }
if ((d = getc (fileref)) == EOF) /* get csum */ if ((d = Fgetc (fileref)) == EOF) /* get csum */
return SCPE_FMT; return SCPE_FMT;
csum = csum + d; /* add in */ csum = csum + d; /* add in */
} while ((csum & 0377) == 0); /* result mbz */ } while ((csum & 0377) == 0); /* result mbz */