diff --git a/README.md b/README.md index 2ea1e93..139104e 100644 --- a/README.md +++ b/README.md @@ -21,32 +21,33 @@ The game is written in 6502 assembly using the ca65 assembler. Below is a CPU cycle profile of 1 game frame in stage 4. It's a busy frame with bullets, bombs and enemies. Most importantly, it has a busy terrain at the top -and bottom. +and bottom. | Hex | Dec | % of the | Item | | Cycles | Cycles | Frame | | -|--------|--------|----------|---------------------| -|148F3 |84211 |100% |Total Frame | -|61F |1567 |2.0% |inputGame | -|0A |10 |0.0% |Misc | -|73 |115 |0.1% |gameWorldMove | -|05 |5 |0.0% |Misc | -|19 |25 |0.0% |gameCheckStage | -|08 |8 |0.0% |Misc | -|B80 |2944 |3.5% |gameAI | -|17 |23 |0.0% |Misc | -|7267 |29287 |34.8% |drawClearRows | -|6721 |26401 |31.4% |terrainDraw | -|38A8 |14504 |17.2% |drawEnemies | -|985 |2437 |2.9% |drawPlayer | -|581 |1409 |1.7% |drawBullets | -|6E3 |1763 |2.1% |drawBombs | -|E14 |3604 |4.3% |drawExplosions | -|06 |6 |0.0% |Misc | -|1A |26 |0.0% |drawPresent | -|11 |17 |0.0% |Misc | -|3C |60 |0.1% |Emulator error | +| :----: | -----: | -------: | :------------------ | +| 148F3 | 84211 | 100% | Total Frame | +| 61F | 1567 | 2.0% | inputGame | +| 0A | 10 | 0.0% | Misc | +| 73 | 115 | 0.1% | gameWorldMove | +| 05 | 5 | 0.0% | Misc | +| 19 | 25 | 0.0% | gameCheckStage | +| 08 | 8 | 0.0% | Misc | +| B80 | 2944 | 3.5% | gameAI | +| 17 | 23 | 0.0% | Misc | +| 7267 | 29287 | 34.8% | drawClearRows | +| 6721 | 26401 | 31.4% | terrainDraw | +| 38A8 | 14504 | 17.2% | drawEnemies | +| 985 | 2437 | 2.9% | drawPlayer | +| 581 | 1409 | 1.7% | drawBullets | +| 6E3 | 1763 | 2.1% | drawBombs | +| E14 | 3604 | 4.3% | drawExplosions | +| 06 | 6 | 0.0% | Misc | +| 1A | 26 | 0.0% | drawPresent | +| 11 | 17 | 0.0% | Misc | +| 3C | 60 | 0.1% | Emulator error | + As can be seen, clearing the area where the world will be drawn takes almost 35% of the frame and drawing the terrain takes another 31% of the frame. The Emulator Error are unaccounted for cycles -discrepency between total cycles at