diff options
Diffstat (limited to 'tests/stack_machine_mul/instructions.s.tcl')
| -rwxr-xr-x | tests/stack_machine_mul/instructions.s.tcl | 38 |
1 files changed, 38 insertions, 0 deletions
diff --git a/tests/stack_machine_mul/instructions.s.tcl b/tests/stack_machine_mul/instructions.s.tcl new file mode 100755 index 0000000..fae5ec6 --- /dev/null +++ b/tests/stack_machine_mul/instructions.s.tcl @@ -0,0 +1,38 @@ +#!/usr/bin/env tclsh + +source tclasm.tcl + +### store 4 values to memory; load 2 of them back, multiply them and store the +### result; load another 2, multiply them and store the result; +### this is similar to addition and substraction tests + +set_sp 0 + +## store first 2 factors +const 483091365 +store h1EEE0 +const 74683203 +store h1EEE4 + +## store other 2 factors +const 8436 +store h1EEEC +const -14020 +store h1EEF0 + +## perform the first multiplication +load h1EEE0 +load h1EEE4 +# multiplying 483091365 by 74683203 should yield 36078810479842095 +# if we take lowest 32 bits of 36078810479842095 we get 2861683503 +mul +store h1EEE8 + +## perform the second multiplication +load h1EEEC +load h1EEF0 +# multiplying 8436 by -14020 should yield -118272720 (which fits in 32 bits) +mul +store h1EEF4 + +halt |