adjusted some addresses, added more stubs

c64/kernal/fe25.interop

@@ -0,0 +1,3 @@
+
+Address adjusted to support $FE2D - routine which is probably used by many cartridges and other software to initialize parts of the system. At least the UCart uses it - see here:
+- https://www.elektroda.pl/rtvforum/topic3293027.html

c64/kernal/screen/clear_screen_real.s

@@ -1,7 +1,7 @@
 // Clear screen and initialise line link table
 // (Compute's Mapping the 64 p215-216)
 
-clear_screen:
+clear_screen_real:
 
 	// XXX it is probably a good idea to hide cursor first
 

c64/kernal/screen/e544.clear_screen.jmp.s

@@ -0,0 +1,6 @@
+// Clear screen and initialise line link table
+// (Compute's Mapping the 64 p215-216)
+
+clear_screen:
+
+    jmp clear_screen_real

c64/kernal/stubs/e566.home_cursor.s

@@ -0,0 +1,4 @@
+
+// XXX provide documentation and implementation
+
+    STUB_IMPLEMENTATION()

c64/kernal/stubs/e566.interop

@@ -0,0 +1,5 @@
+
+This is a well-known address, needed even for some BASIC programming - it's a common target for a SYS command. See for example here:
+
+- http://ready64.org/articoli/_files/043_pokesc64.txt
+  sys 58726 - CLR/HOME

c64/kernal/stubs/e6b6.advance_cursor.s

@@ -0,0 +1,4 @@
+
+// XXX provide documentation and implementation
+
+    STUB_IMPLEMENTATION()

c64/kernal/stubs/e6b6.interop

@@ -0,0 +1,5 @@
+
+This is a well-known address, needed even for some BASIC programming - it's a common target for a SYS command. See for example here:
+
+- http://ready64.org/articoli/_files/043_pokesc64.txt
+  sys 59062 - Advance Cursor

c64/kernal/stubs/e701.interop

@@ -0,0 +1,5 @@
+
+This is a well-known address, needed even for some BASIC programming - it's a common target for a SYS command. See for example here:
+
+- http://ready64.org/articoli/_files/043_pokesc64.txt
+  sys 59137 - Previous Line

c64/kernal/stubs/e701.previous_line.s

@@ -0,0 +1,4 @@
+
+// XXX provide documentation and implementation
+
+    STUB_IMPLEMENTATION()

c64/kernal/stubs/e8ea.interop

@@ -0,0 +1,5 @@
+
+This is a well-known address, needed even for some BASIC programming - it's a common target for a SYS command. See for example here:
+
+- http://ready64.org/articoli/_files/043_pokesc64.txt
+  sys 59626 - Scrolls a Line

c64/kernal/stubs/e8ea.scroll_line.s

@@ -0,0 +1,4 @@
+
+// XXX provide documentation and implementation
+
+    STUB_IMPLEMENTATION()

c64/kernal/stubs/e9ff.clear_line.s

@@ -0,0 +1,4 @@
+
+// XXX provide documentation and implementation
+
+    STUB_IMPLEMENTATION()

c64/kernal/stubs/e9ff.interop

@@ -0,0 +1,5 @@
+
+This is a well-known address, needed even for some BASIC programming - it's a common target for a SYS command. See for example here:
+
+- http://ready64.org/articoli/_files/043_pokesc64.txt
+  sys 59903 - Clears Line of Text

c64/kernal/stubs/fd90.interop

@@ -0,0 +1,4 @@
+
+This routine is probably used by many cartridges and other software to initialize parts of the system. At least the UCart uses it - see here:
+
+- https://www.elektroda.pl/rtvforum/topic3293027.html

c64/kernal/stubs/fd90.unknown.s

@@ -0,0 +1,4 @@
+
+// XXX provide documentation and implementation
+
+    STUB_IMPLEMENTATION()