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--- Interdata/id_dp.c.orig 2016-12-01 22:43:42 UTC
+++ Interdata/id_dp.c
@@ -419,7 +419,7 @@ switch (dp_cmd & 0x7) {
if (sch_actv (dp_dib.sch, dp_dib.dno)) { /* sch transfer? */
if (dp_dter (uptr, dp_1st)) /* check xfr err */
return SCPE_OK;
- if (r = dp_rds (uptr)) /* read sec, err? */
+ if ((r = dp_rds (uptr))) /* read sec, err? */
return r;
dp_1st = 0;
t = sch_wrmem (dp_dib.sch, dpxb, DP_NUMBY); /* write to memory */
@@ -438,7 +438,7 @@ switch (dp_cmd & 0x7) {
return SCPE_OK;
dp_bptr = sch_rdmem (dp_dib.sch, dpxb, DP_NUMBY); /* read from mem */
dp_db = dpxb[dp_bptr - 1]; /* last byte */
- if (r = dp_wds (uptr)) /* write sec, err? */
+ if ((r = dp_wds (uptr))) /* write sec, err? */
return r;
dp_1st = 0;
if (sch_actv (dp_dib.sch, dp_dib.dno)) { /* more to do? */
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