compile time cycles

jarikomppa · Sep 18, 2023 · 7da2773 · 7da2773
1 parent 87f111b
commit 7da2773
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Showing 2 changed files with 4 additions and 0 deletions.
diff --git a/Makefile b/Makefile
@@ -3,10 +3,12 @@
 #####################################################################
 BIN := emu
 
+CYCLES_PER_INSTR=12
 OPTIM=g
 CFLAGS += -O$(OPTIM)
 CFLAGS += -pipe
 CFLAGS += -g -Wall -Wextra -Wno-unused-parameter -Wshadow
+CFLAGS += -DCYCLES_PER_INSTR=$(CYCLES_PER_INSTR)
 
 # Uncomment to activate LTO
 #CFLAGS += -flto

diff --git a/emu.c b/emu.c
@@ -45,7 +45,9 @@
 #include "emu8051.h"
 #include "emulator.h"
 
+#ifndef CYCLES_PER_INSTR
 #define CYCLES_PER_INSTR 12
+#endif // CYCLES_PER_INSTR
 
 unsigned char history[HISTORY_LINES * (128 + 64 + sizeof(int))];