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(nw) dbox: fixed some spelling mistakes.

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This commit is contained in:
Robbbert 2020-04-23 20:40:02 +10:00
parent 5dc02a3f86
commit 7a166061b6
1 changed files with 10 additions and 8 deletions
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18
src/mame/drivers/dbox.cpp
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@ -1,7 +1,9 @@
// license:BSD-3-Clause
// copyright-holders:Joakim Larsson Edstrom
/*
* The Dbox-1 CPU board.
* The Dbox-1 is a DVB Satellite and cable digital television set-top box.
*
* The CPU board:
*__________________________________________________________________________________________________________
* |
* |
@ -33,15 +35,15 @@
* History of Nokia Multimedia Division
*-------------------------------------
* Luxor AB was a swedish home electronics and computer manufacturer located in Motala from 1923 and acquired
* by Nokia 1985. Luxor designed among other things TV setsm Radios and the famous ABC-80. The Nokia Multimedia
* Division was formed in Linköping as a result of the Luxor aquesition. Their main design was a satellite
* by Nokia 1985. Luxor designed among other things TV sets, Radios and the famous ABC-80. The Nokia Multimedia
* Division was formed in Linköping as a result of the Luxor aquisition. Their main design was a satellite
* receiver, the first satellite in Europe was launched in 1988 and the market was growing fast however it took
* a long time, almost 10 years before the breakthrough came for Nokia, a deal with the Kirsch Gruppe was struck and
* in 1996 the 68340 based Dbox-1 was released in Germany. The original design was expensive, so soon a cost reduced
* version based on PPC, the Dbox-2, was released. The boxes sold in millions but the margins were negative or very
* low at best and the Kirsch Gruppe went bankrupt in 2002 and Nokia decided to shutdown the facility in Linköping.
*
* The heavily subsidiced Dbox was very popular in Holland since Kirsch Gruppe didn't lock use to themselfs. This was
* The heavily subsidised Dbox was very popular in Holland since Kirsch Gruppe didn't lock usage to themselves. This was
* corrected in a forced firmware upgrade leaving the "customers" in Holland without a working box. Pretty soon a
* shareware software developed by Uli Hermann appeared called DVB98 and later DVB2000 reenabling the boxes in Holland
* and blocking upgrades. Uli's software was by many considered better than the original software.
@ -55,7 +57,7 @@
*
* Misc findings
*--------------
* - Serial port on the back runs at 19200 at issues modem commands when attached to terminal
* - Serial port on the back runs at 19200 and issues modem commands when attached to terminal
* - It is possible to attach a BDM emulator and retrieve the ROM through it.
* - It is possible to flash new firmware through BDM by adding jumper XP06 (under the modem board)
* - The bootstrap is based on RTXC 3.2g RTOS
@ -235,7 +237,7 @@
* - ignore FREEZE
* - The crystal clock is the clear-to-send input capture clock for both channels
* SIM40 + 0x0701: 0x8A Serial Module - MCR Low Byte
* - The serial control regosters are only accessable from supervisor mode
* - The serial control registers are only accessable from supervisor mode
* - IARB = 0x0A - serial module has priority level 10d
* SIM40 + 0x0704: 0x01 Serial Module - ILR Interrupt Level
* SIM40 + 0x0705: 0x44 Serial Module - IVR Interrupt Vector
@ -507,7 +509,7 @@ WRITE8_MEMBER (dbox_state::write_pa){
}
#if LOCALFLASH
/* Lcoal emulation of the 29F800B 8Mbit flashes if the intelflsh bugs, relies on a complete command cycle is done per device, not in parallell */
/* Lcoal emulation of the 29F800B 8Mbit flashes if the intelflsh bugs, relies on a complete command cycle is done per device, not in parallel */
/* TODO: Make a flash device of this and support programming per sector and persistance, as settings etc may be stored in a 8Kb sector */
WRITE16_MEMBER (dbox_state::sysflash_w){
LOGFLASH("%s pc:%08x offset:%08x data:%08x mask:%08x\n", FUNCNAME, m_maincpu->pc(), offset, data, mem_mask);
@ -610,7 +612,7 @@ void dbox_state::dbox(machine_config &config)
m_maincpu->set_addrmap(AS_PROGRAM, &dbox_state::dbox_map);
m_maincpu->pa_out_callback().set(FUNC(dbox_state::write_pa));
/* Timer 2 is used to communicate with the descrambler module TODO: Write the descrambler module */
/* Timer 2 is used to communicate with the descrambler module TODO: Write the descrambler module */
//m_maincpu->tout2_out_callback().set("dcs", FUNC(descrambler_device::txd_receiver));
//m_maincpu->tgate2_in_callback().set("dsc", FUNC(descrambler_device::rxd_receiver));