diff options
author | Jonathan Gevaryahu <Lord-Nightmare@users.noreply.github.com> | 2010-06-09 12:01:46 +0000 |
---|---|---|
committer | Jonathan Gevaryahu <Lord-Nightmare@users.noreply.github.com> | 2010-06-09 12:01:46 +0000 |
commit | d4e1e8c26622305f4ad0d2c7a58a9f8e3262d370 (patch) | |
tree | 2cd16904edaa37467522fe5719159a9ea0eff065 | |
parent | 7dff680d65b9db3020cee267c57ead808e820db7 (diff) |
Update/Correct Space Invaders Comments, particularly regarding Midway Boards [Andrew Welburn, Lord Nightmare]
-rw-r--r-- | src/mame/drivers/8080bw.c | 16 |
1 files changed, 8 insertions, 8 deletions
diff --git a/src/mame/drivers/8080bw.c b/src/mame/drivers/8080bw.c index 93946aa7d53..f1004cd9d98 100644 --- a/src/mame/drivers/8080bw.c +++ b/src/mame/drivers/8080bw.c @@ -70,9 +70,10 @@ a paper sticker on the pcb; The code will be of the format mVNnnnnn where m is a letter and nnnnn is a number. Codes: - * unknown (L shaped pcb) - B&W only, used on "Space Invaders" Upright + * SVNxxxxx? (L shaped pcbset) - B&W only, used on "Space Invaders" Upright with 3-strip overlay. - Came from factory with one of the TV romsets ONLY. + Audio PCB daughterboard has part number SVN00001 or SVN00003. + Came from factory with one of the TV romsets ONLY? Capable of running TV, SV or CV romsets. * TVNxxxxx (3 layer pcb) - B&W only, used on "T.T Space Invaders" cocktail with blended single-sheet color gel overlay. @@ -104,12 +105,11 @@ PV01, PV02, PV03, PV04, PV05 w/proms - invadpt2 - Midway PCB sets: (cursory descripton) - * Midway Space Invaders Deluxe (and Deluxe Cocktail) use a special midway-made PCB set - which is significantly different from the taito ones. - * Midway Space Invaders II (only produced as a cocktail) is also significantly different hardware from the Taito SI hardware, but additionally has different (head to head) gameplya, as well has having two sound boards instead of one. - TODO: this needs to be emulated properly - * Both midway space invaders games' sound is different from the taito ones (particularly the shot sound) due to using slightly different components on the discrete section. - TODO: this needs to be emulated properly + NOTE: The discrete components, particularly for the shot sound, differ between Taito and Midway audio daughterboards. + TODO: figure out the difference between the Taito and Midway discrete boards and emulate them both properly. Figure out what the current discrete setup is trying to emulate. + * All Midway Space Invaders games ([Space Invader Upright], [Space Invader Cocktail], [Deluxe Space Invaders Upright], [Deluxe Space Invaders Cocktail], and [Space Invaders II]) use the same 8080 mainboard, with no emulation-relevant differences between revisions. + * [Space Invaders II] from Midway (only produced as a cocktail) uses an extra sound board for the simultaneous 2 player head-to-head sounds. + TODO: remove Space Invader 'invaders' set from mw8080bw.c, it does not belong there at all - Taito-USA-made 'trimline' PCBS do not match the taito pcbs either. */ |