- disable video panning for now; something not right with address calc

Adam · Adam · commit 520f03c6ebd0 · 2025-01-17T08:43:37.000Z
diff --git a/src/mame/tektronix/tek440x.cpp b/src/mame/tektronix/tek440x.cpp
@@ -722,6 +722,7 @@ void tek440x_state::machine_reset()
 	m_latched_map_control = 0;
 	mapcntl_w(0);
 	videocntl_w(0);
+	videoaddr_w(0,0);
 }
 
 
@@ -742,7 +743,7 @@ u32 tek440x_state::screen_update(screen_device &screen, bitmap_ind16 &bitmap, co
 	u32 invert = BIT(m_videocntl, 4) ? 0 : -1;
 	int pan = (m_videocntl & 15) ^ 15;
 
-	int woffset = m_videoaddr[0] - 0xffe9;  // ??? why
+	int woffset = 0;	m_videoaddr[0] - 0xffe9;  // ??? why
 
 	for (int y = 0; y < 480; y++)
 	{

Original file line number	Diff line number	Diff line change
`@@ -722,6 +722,7 @@ void tek440x_state::machine_reset()`
`722`	`722`	`m_latched_map_control = 0;`
`723`	`723`	`mapcntl_w(0);`
`724`	`724`	`videocntl_w(0);`
	`725`	`+ videoaddr_w(0,0);`
`725`	`726`	`}`
`726`	`727`
`727`	`728`
`@@ -742,7 +743,7 @@ u32 tek440x_state::screen_update(screen_device &screen, bitmap_ind16 &bitmap, co`
`742`	`743`	`u32 invert = BIT(m_videocntl, 4) ? 0 : -1;`
`743`	`744`	`int pan = (m_videocntl & 15) ^ 15;`
`744`	`745`
`745`		`- int woffset = m_videoaddr[0] - 0xffe9; // ??? why`
	`746`	`+ int woffset = 0; m_videoaddr[0] - 0xffe9; // ??? why`
`746`	`747`
`747`	`748`	`for (int y = 0; y < 480; y++)`
`748`	`749`	`{`