Tetris (NES)
| Tetris | |
|---|---|
 | |
| Developer(s) | Nintendo |
| Publisher(s) | Nintendo |
| Platform(s) | NES |
| Release | 1989 |
| Gameplay info | |
| Next pieces | 1 |
| Playfield size | 10x20 |
| Hold piece | no |
| Hard drop | none |
  | |
Nintendo published the first official version of Tetris for Nintendo Entertainment System. Unlike Tetяis, this game has no 2-player mode.
Speed
The Nintendo Entertainment System is specified to run at 60.0988 frames per second.
DAS initial delay is 16 frames, and then every 6 frames. Soft drop speed is 1/2G. ARE is present, at or less than 10 frames.
The following table of gravity speeds was observed and later found to be stored at $808E (offset $099E in the iNES format ROM):
| Level | Number of frames |
|---|---|
| 00 | 48 |
| 01 | |
| 02 | |
| 03 | |
| 04 | |
| 05 | |
| 06 | |
| 07 | |
| 08 | |
| 09 | |
| 10 | |
| 11 | |
| 12 | |
| 13 | |
| 14 | |
| 15 | |
| 16 | |
| 17 | |
| 18 | |
| 19 | |
| 20 | |
| 21 | |
| 22 | |
| 23 | |
| 24 | |
| 25 | |
| 26 | |
| 27 | |
| 28 | |
| 29 | |
| 30 | |
| 31 |
lv 00-05: 48, 43, 38, 33, 28, 23 lv 06-11: 18, 13, 8, 6, 5, 5 lv 12-17: 5, 4, 4, 4, 3, 3 lv 18-19: 3, 2 lv 29: 1
In Marathon (called A-TYPE), when the number of lines cleared is greater than or equal to 10 times the current level, add 1 to the current level.
When the player chooses a high starting level, sometimes the levels start changing sooner; how this happens is as of yet unclear.
See also
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