From 8fa7b44024f0c2600c3a8523cd45d755622bd097 Mon Sep 17 00:00:00 2001 From: Jonathan Gevaryahu Date: Sun, 6 Oct 2013 07:57:59 +0000 Subject: [PATCH] minor dectalk comment updates (n/w) --- src/mess/drivers/dectalk.c | 8 +++++--- 1 file changed, 5 insertions(+), 3 deletions(-) diff --git a/src/mess/drivers/dectalk.c b/src/mess/drivers/dectalk.c index e7691e07956..2f64ff29186 100644 --- a/src/mess/drivers/dectalk.c +++ b/src/mess/drivers/dectalk.c @@ -87,14 +87,15 @@ DTC-01 LEDs * August 1983: Hardware version A done * unknown date: Version 1.0 roms finalized * unknown date: Version 1.1 roms released to fix a bug with insufficient stack space, see ss_dec1 above +* October 11 1983: Second half of Version 1.8 rom finalized +* December 05 1983: First half of Version 1.8 rom finalized * March 1984: Hardware version B done (integrates the output fifo sync error check onto the pcb; Version A units are retrofitted when sent in for firmware upgrades) (most of the schematics come from this time) - * July 02 1984: Second half of Version 2.0 rom finalized * July 23 1984: First half of Version 2.0 rom finalized * October 1984 (the rest of the schematics come from this time) -* sometime after 6th week of 1985: dsp roms updated to the 23-409f4/23-410f4 set +* sometime after 6th week of 1985: dsp roms updated to the -409/-410 set * -* NVRAM related stuff found by leeeeee: +* NVRAM related stuff found by leeeeee (in v2.0): * $10402 - nvram recall/reset based on byte on stack (0 = recall, 1 = write default to nvram) * $10f2E - nvram recall * $10f52 - entry point for nvram check routine @@ -901,6 +902,7 @@ ROM_START( dectalk ) the 2.0 version above */ + // DECtalk DTC-01 firmware v1.8 (first half: 05Dec83 tag; second half: 11Oct83 tag), all roms are 27128 eproms ROM_SYSTEM_BIOS( 1, "v18", "DTC-01 Version 1.8") ROMX_LOAD("23-063e5.e8", 0x00000, 0x4000, CRC(9f5ca045) SHA1(1b1b9c1e092c44329b385fb04001e13422eb8d39), ROM_SKIP(1) | ROM_BIOS(2)) ROMX_LOAD("23-059e5.e22", 0x00001, 0x4000, CRC(b299cf64) SHA1(84bbe9ff303ea6ce7b1c0b1ad05421edd18fae49), ROM_SKIP(1) | ROM_BIOS(2))