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diff --git a/tests/stack_machine_cond_jump/instructions.s.tcl b/tests/stack_machine_cond_jump/instructions.s.tcl
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+++ b/tests/stack_machine_cond_jump/instructions.s.tcl
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+#!/usr/bin/env tclsh
+
+source tclasm.tcl
+
+## also look at stack_machine_jump test 
+
+## we're going to write numbers from 0 to 7 to addresses h400 - h41C
+
+# this will translate to 1 16-bit instruction
+set_sp 0
+
+## set up the counter (1 16-bit instruction)
+const 0
+
+## this is the point we later jump to, address 4
+tee
+tee
+## compute address:  counter * 4 + h400 and save counter to it
+const 4
+mul
+swap
+store+ h400
+
+## increase counter by 1
+const 1
+add
+## compare value of counter to 8
+tee
+const 8
+sub
+## loop if counter != 8
+cond_jump 4
+
+halt