7 files changed, 26 insertions, 0 deletions
diff --git a/firmware/drivers/lcd-16bit.c b/firmware/drivers/lcd-16bit.c
index 7269e54..67736dd 100644
--- a/firmware/drivers/lcd-16bit.c
+++ b/firmware/drivers/lcd-16bit.c
@@ -848,6 +848,8 @@ void lcd_invertscroll(int x, int y)
 
     (void)x;
 
+    if(y>=SCROLLABLE_LINES) return;
+
     s = &scroll[y];
     s->invert = !s->invert;
 }
@@ -898,6 +900,8 @@ void lcd_puts_scroll_style_offset(int x, int y, const unsigned char *string,
     struct scrollinfo* s;
     int w, h;
 
+    if(y>=SCROLLABLE_LINES) return;
+    
     s = &scroll[y];
 
     s->start_tick = current_tick + scroll_delay;
diff --git a/firmware/drivers/lcd-1bit-vert.c b/firmware/drivers/lcd-1bit-vert.c
index 64c1ace..ec0ddee 100644
--- a/firmware/drivers/lcd-1bit-vert.c
+++ b/firmware/drivers/lcd-1bit-vert.c
@@ -692,6 +692,8 @@ void lcd_invertscroll(int x, int y)
 
     (void)x;
 
+    if(y>=SCROLLABLE_LINES) return;
+
     s = &scroll[y];
     s->invert = !s->invert;
 }
@@ -743,6 +745,8 @@ void lcd_puts_scroll_style_offset(int x, int y, const unsigned char *string,
     struct scrollinfo* s;
     int w, h;
 
+    if(y>=SCROLLABLE_LINES) return;
+
     s = &scroll[y];
 
     s->start_tick = current_tick + scroll_delay;
diff --git a/firmware/drivers/lcd-2bit-horz.c b/firmware/drivers/lcd-2bit-horz.c
index 475e466..d3d086a 100644
--- a/firmware/drivers/lcd-2bit-horz.c
+++ b/firmware/drivers/lcd-2bit-horz.c
@@ -889,6 +889,8 @@ void lcd_invertscroll(int x, int y)
 
     (void)x;
 
+    if(y>=SCROLLABLE_LINES) return;
+
     s = &scroll[y];
     s->invert = !s->invert;
 }
@@ -939,6 +941,8 @@ void lcd_puts_scroll_style_offset(int x, int y, const unsigned char *string,
     struct scrollinfo* s;
     int w, h;
 
+    if(y>=SCROLLABLE_LINES) return;
+
     s = &scroll[y];
 
     s->start_tick = current_tick + scroll_delay;
diff --git a/firmware/drivers/lcd-2bit-vert.c b/firmware/drivers/lcd-2bit-vert.c
index 7a49f35..37abf04 100644
--- a/firmware/drivers/lcd-2bit-vert.c
+++ b/firmware/drivers/lcd-2bit-vert.c
@@ -1025,6 +1025,8 @@ void lcd_invertscroll(int x, int y)
 
     (void)x;
 
+    if(y>=SCROLLABLE_LINES) return;
+
     s = &scroll[y];
     s->invert = !s->invert;
 }
@@ -1075,6 +1077,8 @@ void lcd_puts_scroll_style_offset(int x, int y, const unsigned char *string,
     struct scrollinfo* s;
     int w, h;
 
+    if(y>=SCROLLABLE_LINES) return;
+
     s = &scroll[y];
 
     s->start_tick = current_tick + scroll_delay;
diff --git a/firmware/drivers/lcd-charcell.c b/firmware/drivers/lcd-charcell.c
index 4d8a693..3c8db1a 100644
--- a/firmware/drivers/lcd-charcell.c
+++ b/firmware/drivers/lcd-charcell.c
@@ -456,6 +456,8 @@ void lcd_puts_scroll_offset(int x, int y, const unsigned char *string,
     struct scrollinfo* s;
     int len;
 
+    if(y>=SCROLLABLE_LINES) return;
+
     s = &scroll[y];
 
     s->start_tick = current_tick + scroll_delay;
diff --git a/firmware/drivers/lcd-remote-1bit-v.c b/firmware/drivers/lcd-remote-1bit-v.c
index 0aa3d89..6b5b1fb 100644
--- a/firmware/drivers/lcd-remote-1bit-v.c
+++ b/firmware/drivers/lcd-remote-1bit-v.c
@@ -691,6 +691,8 @@ void lcd_remote_invertscroll(int x, int y)
 
     (void)x;
 
+    if(y>=SCROLLABLE_LINES) return;
+
     s = &scroll[y];
     s->invert = !s->invert;
 }
@@ -741,6 +743,8 @@ void lcd_remote_puts_scroll_style_offset(int x, int y, const unsigned char *stri
     struct scrollinfo* s;
     int w, h;
 
+    if(y>=SCROLLABLE_LINES) return;
+
     s = &scroll[y];
 
     s->start_tick = current_tick + scroll_delay;
diff --git a/firmware/drivers/lcd-remote-2bit-vi.c b/firmware/drivers/lcd-remote-2bit-vi.c
index e0f6b35..65704f0 100644
--- a/firmware/drivers/lcd-remote-2bit-vi.c
+++ b/firmware/drivers/lcd-remote-2bit-vi.c
@@ -1027,6 +1027,8 @@ void lcd_remote_invertscroll(int x, int y)
 
     (void)x;
 
+    if(y>=SCROLLABLE_LINES) return;
+
     s = &scroll[y];
     s->invert = !s->invert;
 }
@@ -1077,6 +1079,8 @@ void lcd_remote_puts_scroll_style_offset(int x, int y, const unsigned char *stri
     struct scrollinfo* s;
     int w, h;
 
+    if(y>=SCROLLABLE_LINES) return;
+
     s = &scroll[y];
 
     s->start_tick = current_tick + scroll_delay;