diff options
| author | Jan Tuomi <jan@jantuomi.fi> | 2024-04-11 17:50:10 +0100 |
|---|---|---|
| committer | Jan Tuomi <jan@jantuomi.fi> | 2024-04-11 17:50:10 +0100 |
| commit | 3963742d5cc195bbbcc8081ec261b0d3e0c1d83d (patch) | |
| tree | 662907306f6a0f4b60fd8f3ee67e07acad6c347d /test | |
| parent | 5776a07e6a3def343996c5ec83cd69242f7ea23a (diff) | |
Add instr/s counter
Diffstat (limited to 'test')
| -rw-r--r-- | test/e2e/fibo/fibo.atk16 | 8 | ||||
| -rw-r--r-- | test/e2e/fibo/test_fibo.py | 17 |
2 files changed, 22 insertions, 3 deletions
diff --git a/test/e2e/fibo/fibo.atk16 b/test/e2e/fibo/fibo.atk16 index fe38fe5..2cf3d20 100644 --- a/test/e2e/fibo/fibo.atk16 +++ b/test/e2e/fibo/fibo.atk16 @@ -2,9 +2,13 @@ ; will jump to label main @include bootstrap +@label iters + 51 + @label main - ldi 10 RA - calli fibo ; call fibo subroutine with parameter 10 + ldi iters RA + ldr RA RA + calli fibo ; call fibo subroutine with parameter 1000 hlt @label fibo ; fibo(n) subroutine diff --git a/test/e2e/fibo/test_fibo.py b/test/e2e/fibo/test_fibo.py index a7146fc..65af07a 100644 --- a/test/e2e/fibo/test_fibo.py +++ b/test/e2e/fibo/test_fibo.py @@ -1,3 +1,4 @@ +import time from atk16_asm import assemble from atk16_emu import Machine from test.utils import pad_bytearray @@ -13,7 +14,21 @@ def test_fibo(): machine = Machine() machine.load_rom_image(rom_image) machine.reset() + start = time.perf_counter_ns() machine.run_until_halted() + end = time.perf_counter_ns() machine.print_state_summary() - assert machine.ra.value == 89 + elapsed = end - start + print("Elapsed time:", elapsed, "ns") + steps_taken = machine.steps_taken + + # VGA frequency is 25.175 MHz + # Divided by 16, that's 1.5734375 MHz (main clock) + # Instructions take 3–5 cycles, the average instruction takes around 4 cycles + # 1.5734375 MHz / 4 = 393359.375 Hz + # That is the goal instruction frequency + # TODO limit emulation speed to 393359.375 Hz + print("Instructions / second:", steps_taken / (elapsed / 1e9)) + + assert machine.ra.value == 41443 |