sk.cpp and 315_5313 devices, actions_atj2279b, rainbow and silverball drivers: ran srcclean and some grammar corrections for recenty merged PRs

src/devices/bus/megadrive/sk.cpp

@@ -60,7 +60,6 @@ uint16_t md_rom_sk_device::read(offs_t offset)
 
 void md_rom_sk_device::write(offs_t offset, uint16_t data, uint16_t mem_mask)
 {
-	// should there be anything here?
 	// TODO: implement pass-through NVRAM accessing for Sonic 3 cart, for Sonic 3 & Knuckles saving feature
 }
 

src/devices/video/315_5313.cpp

@@ -1,14 +1,14 @@
 // license:BSD-3-Clause
 // copyright-holders:David Haywood
 /*
-	Sega 315-5313 VDP emulation, used by Mega Drive/Genesis
+    Sega 315-5313 VDP emulation, used by Mega Drive/Genesis
 
-	TODO:
-    - Video, DMA timing and HV counter is seems to incorrect,
-      Needs verifications from real hardware.
-    - Support 128KB VRAM configuration, Any hardware used it?
-    - Border area is displayable?
-    - 32X overlay with H32 mode, all known software used this?
+    TODO:
+    - Video, DMA timing and HV counter seem incorrect,
+      they need verification on real hardware.
+    - Support 128KB VRAM configuration, did any hardware use it?
+    - Is border area displayable?
+    - 32X overlay with H32 mode, did all known software use this?
 */
 
 #include "emu.h"

src/mame/drivers/actions_atj2279b.cpp

@@ -7,10 +7,10 @@
     connects to other PCBs with various types of slots (USB, SD etc.)
     (ADD FULL DETAILS)
 
-	Specifications (incomplete and unconfirmed):
-	CPU: 450 MHz ATJ227X with intergrated GPU
-	SDRAM: 256MB
-	(source: http://wecmuseum.org/index.php?title=Retro-Bit_Generations)
+    Specifications (incomplete and unconfirmed):
+    CPU: 450 MHz ATJ227X with intergrated GPU
+    SDRAM: 256MB
+    (source: http://wecmuseum.org/index.php?title=Retro-Bit_Generations)
 
     TODO: everything - emulate the SoC
 

src/mame/drivers/rainbow.cpp

@@ -3388,6 +3388,7 @@ void rainbow_modelb_state::rainbow_modelb(machine_config &config)
 ROM_START(rainbow100a)
 	ROM_REGION(0x100000, "maincpu", 0)
 
+	ROM_DEFAULT_BIOS("040311a")
 	// printer and comm. port error messages, keyboard works, machine boots
 	ROM_SYSTEM_BIOS(0, "040311a", "Version 04.03.11A")
 	ROMX_LOAD("23-176e4-00.e89", 0xfa000, 0x2000, CRC(405e9619) SHA1(86604dccea84b46e05d705abeda25b12f7cc8c59), ROM_BIOS(0)) // ROM (FA000-FBFFF) (E89) 8 K

src/mame/drivers/silverball.cpp

@@ -67,7 +67,7 @@ void silverball_state::silverball(machine_config &config)
 }
 
 
-// Silverball machines used different motherboards. By now, we're adding the all the known BIOSes here
+// Silverball machines used different motherboards. By now, we're adding all the known BIOSes here
 #define SILVERBALL_BIOS \
 	ROM_REGION32_LE(0x40000, "mb_bios", 0) \
 	/* Acorp 694XT/694XT1 (all of them from the Silverball software update files) */ \