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author Scott Stone <tafoid@users.noreply.github.com>2012-06-27 20:11:59 +0000
committer Scott Stone <tafoid@users.noreply.github.com>2012-06-27 20:11:59 +0000
commit3b0c620529821d9e13bf759d87a5b22d8df772ea (patch)
tree7468d1bfc1318fae6d8b78720ad27707c7e63dcc /src
parentd74ff9ff11e0326f35fa3e661873a2a6e6be1b58 (diff)
Added PGM2 motherboard specs/notes to driver. [xingxing]
Diffstat (limited to 'src')
-rw-r--r--src/mame/drivers/pgm2.c17
1 files changed, 12 insertions, 5 deletions
diff --git a/src/mame/drivers/pgm2.c b/src/mame/drivers/pgm2.c
index 6f643622218..efb0fc5455d 100644
--- a/src/mame/drivers/pgm2.c
+++ b/src/mame/drivers/pgm2.c
@@ -1,14 +1,21 @@
-
-
/* PGM 2 hardware.
Motherboard is bare bones stuff, probably only contains the video processor, no ROMs.
- Makes use of internal ROM ASICS, newer than those found on the best protected PGM games. Games actually boot to a warning screen even if you remove all program roms!
+ Makes use of internal ROM ASICS, newer than those found on the best protected PGM games.
+ Games actually boot to a warning screen even if you remove all program roms!
Encrypted.
- I'm guessing it's ARM based, but not sure.
+ Likely ARM based, but until we can obtain decrypted data, we will not know for sure.
+
+
+PGM2 Motherboard Components:
+
+ IS61LV25616AL(SRAM)
+ IGS037(GFX PROCESSOR)
+ YMZ774-S(SOUND)
+ R5F21256SN(extra MCU for protection and ICcard communication)
*/
@@ -137,7 +144,7 @@ static MACHINE_CONFIG_START( pgm2, pgm2_state )
MCFG_VIDEO_START(pgm2)
MCFG_SPEAKER_STANDARD_STEREO("lspeaker", "rspeaker")
- MCFG_YMZ770_ADD("ymz770", 16384000)
+ MCFG_YMZ770_ADD("ymz770", 16384000) // Actually a YMZ774 on-board
MCFG_SOUND_ROUTE(0, "lspeaker", 1.0)
MCFG_SOUND_ROUTE(1, "rspeaker", 1.0)
MACHINE_CONFIG_END