freebsd-ports/emulators/simh/files/patch-NOVA_nova__cpu.c

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--- NOVA/nova_cpu.c.orig 2016-12-01 22:43:42 UTC
+++ NOVA/nova_cpu.c
@@ -243,11 +243,12 @@
#define STK_CHECK(x,y) if (((x) & 0377) < (y)) \
int_req = int_req | INT_STK
#define IND_STEP(x) M[x] & A_IND; /* return next level indicator */ \
- if ( ((x) <= AUTO_TOP) && ((x) >= AUTO_INC) ) \
+ if ( ((x) <= AUTO_TOP) && ((x) >= AUTO_INC) ) { \
if ( (x) < AUTO_DEC ) \
M[x] = (M[x] + 1) & DMASK; \
else \
M[x] = (M[x] - 1) & DMASK; \
+ } \
x = M[x] & AMASK
#define INCREMENT_PC PC = (PC + 1) & AMASK /* increment PC */