add comment and sim build rule

[mandelfpga.git] / Makefile

diff --git a/Makefile b/Makefile
old mode 100644 (file)
new mode 100755 (executable)
index cd766fa..b7b04ce
--- a/Makefile
+++ b/Makefile
@@ -5,6 +5,9 @@ PART = xc3s1200e-fg320-5
 
 all: fpga_target
 
 
 all: fpga_target
 

+sim: mandelsim.c
+       gcc -O3 -lSDL -o mandelsim mandelsim.c -march=pentium3
+

 BITGEN_OPTS = \
        -w \
        -g DebugBitstream:No \
 BITGEN_OPTS = \
        -w \
        -g DebugBitstream:No \