-casio/pickytlk.cpp: Simplified screen update, fixed off-by-one error.

-roland/roland_sc55mk2.cpp: Removed unnecessary header.

-alba/albazg.cpp: Added Japanese title to comment for hana6pt2.

src/mame/alba/albazg.cpp

@@ -429,7 +429,9 @@ ROM_START( yumefuda )
 	ROM_LOAD("zg1-007.u13", 0x000, 0x104, NO_DUMP ) // PAL
 ROM_END
 
-ROM_START( hana6pt2 ) // P0-066A PCB
+// 花合せ・６ Part Ⅱ
+// P0-066A PCB
+ROM_START( hana6pt2 )
 	ROM_REGION( 0x10000, "maincpu", 0 ) // code
 	ROM_LOAD("zg006p11.u42", 0x00000, 0x10000, CRC(4e455ac5) SHA1(df3a327acd2eb8f566ba6b86342d8fb6f7e89560))
 	// u43 empty on this PCB

src/mame/casio/pickytlk.cpp

@@ -138,18 +138,18 @@ u32 pickytlk_state::screen_update(screen_device &screen, bitmap_ind16 &bitmap, c
 
 	for (int i = 0; i < 16; i++)
 	{
-		int x = 8 + i * 8;
+		int const x = i * 8;
 
 		for (int j = 0; j < 64; j++)
 		{
-			u8 data1 = m_display_ram[offset];
-			u8 data2 = m_display_ram[offset + 0x400];
+			u16 *const row = &bitmap.pix(63 - j);
+
+			u8 const data1 = m_display_ram[offset];
+			u8 const data2 = m_display_ram[offset + 0x400];
 
 			for (int b = 0; b < 8; b++)
 			{
-				bitmap.pix(63-j, x-b) = ( data1 & 0x80 ) ? ( data2 & 0x80 ? 3 : 2 ) : ( data2 & 0x80 ? 1 : 0 );
-				data1 <<= 1;
-				data2 <<= 1;
+				row[x + b] = (BIT(data1, b) << 1) | BIT(data2, b);
 			}
 
 			offset++;

src/mame/roland/roland_sc55mk2.cpp

@@ -36,7 +36,7 @@
 */
 
 #include "emu.h"
-#include "machine/ram.h"
+
 #include "cpu/h8500/h8532.h"