diff options
Diffstat (limited to 'src')
-rw-r--r-- | src/mame/drivers/8080bw.c | 19 |
1 files changed, 10 insertions, 9 deletions
diff --git a/src/mame/drivers/8080bw.c b/src/mame/drivers/8080bw.c index 712c7e97e6b..5c7e3a7e1ca 100644 --- a/src/mame/drivers/8080bw.c +++ b/src/mame/drivers/8080bw.c @@ -1,12 +1,14 @@ // license:MAME -// copyright-holders:Michael Strutts,Nicola Salmoria,Tormod Tjaberg,Mirko Buffoni,Lee Taylor,Valerio Verrando,Marco Cassili,Zsolt Vasvari,Aaron Giles,Jonathan Gevaryahu,Andrew Welburn,hap,Robbbert,MISSING_OTHERS +// copyright-holders:Michael Strutts,Nicola Salmoria,Tormod Tjaberg,Mirko Buffoni,Lee Taylor,Valerio Verrando,Marco Cassili,Zsolt Vasvari,Aaron Giles,Jonathan Gevaryahu,hap,Robbbert,MISSING_OTHERS /***************************************************************************** 8080bw.c Michael Strutts, Nicola Salmoria, Tormod Tjaberg, Mirko Buffoni - Lee Taylor, Valerio Verrando, Marco Cassili, Zsolt Vasvari, Andy Welburn, - and others + Lee Taylor, Valerio Verrando, Marco Cassili, Zsolt Vasvari, and others + + Much information about Space Invaders PCBs and other Taito and Midway + sets and hardware contributed by Andrew Welburn Notes: @@ -49,7 +51,7 @@ - despite there being at least six versions of this pcb, the discrete audio section is identical in all of them. * Middle pcb: CPU/RAM/Color overlay pcb - - has SRAMS on it + - has DRAMS on it - has the 8080 CPU on it - has the two PROMS for color overlay on it (one for each player flip) (these are not populated on TVN pcbs and the related circuitry is not @@ -83,9 +85,9 @@ * SVNxxxxx? (L-shaped pcbset) - B&W only, used on "Space Invaders" Upright with 3-separate-sheets-of-gel 'strips' color overlay. ***TODO: this overlay might not be supported properly yet! - Does not support flipscreen. (to save on component costs?) + Does not support flipscreen, was intended for upright cabinets only. Audio PCB daughterboard has part number SVN00001 or SVN00003. - Came from factory with one of the TV romsets ONLY? + Came from factory with one of the 6x 0x400 or 4x 0x800 romsets Capable of running TV, SV or CV romsets. This is probably the second-oldest pcb set and may have been made to allow closer physical interchangability with Midway's m8080bw hardware, @@ -106,8 +108,7 @@ Capable of running TV, SV, CV, UV or PV romsets. * The following Romsets are known, ROUGHLY from oldest to newest: - SV01, SV02, SV03, SV04, SV05, SV06 - undumped (rev 1), this would be the very first japan release of space invaders (Andy W may call this 'SV0'?) - (SV01, SV02, SV08, SV04, SV07, SV06) - undumped, unknown if this version actually exists. + SV01, SV02, SV03, SV04, SV05, SV06 - undumped (rev 1), If this exists at all this would be the very first japan release of space invaders (Andy W may call this 'SV0'?) SV01, SV02, SV10, SV04, SV09, SV06 - sisv2 (rev 2) (Andy W calls this 'SV1', and the midway 'invaders' set is based on this romset) SV0H, SV02, SV10, SV04, SV09, SV06 - sisv3 (rev 3) (Andy W calls this 'SV2') SV0H, SV11, SV12, SV04, SV13, SV14 - sisv (rev 4, 5-digit scoring) (Andy W calls this 'SV3') (this set is likely newer than the TV0x sets) @@ -3395,7 +3396,7 @@ ROM_START( sicv ) // likely not the first sicv version... ROM_LOAD( "cv02.2", 0x0400, 0x0400, CRC(8263da38) SHA1(2e7c769d129e6f8a1a31eba1e02777bb94ac32b2) ) ROM_END -ROM_START( sisv1 ) // rev 1 +ROM_START( sisv1 ) // rev 1, this version may or may not really exist (may have been test/prototype only?) ROM_REGION( 0x10000, "maincpu", 0 ) ROM_LOAD( "sv01.36", 0x0000, 0x0400, CRC(d0c32d72) SHA1(b3bd950b1ba940fbeb5d95e55113ed8f4c311434) ) ROM_LOAD( "sv02.35", 0x0400, 0x0400, CRC(0e159534) SHA1(94b2015a9d38ca738705b8d024a79fd2f9855b98) ) |