Add os_ClrHomeFull()

Author: mateoconlechuga

src/asm/cstartup.asm

@@ -70,7 +70,7 @@ __errsp:
 	ld	iy,%D00080
 	res	4,(iy+9)        ; onInterrupt,(iy+onFlags)
 	set	0,(iy+3)        ; graphDraw,(iy+graphFlags)
-	call	%002080C        ; _ClrLCD
+	call	%0020808        ; _ClrLCDFull
 	call	%0020828        ; _HomeUp
 	call	%0021A3C        ; _DrawStatusBar
 	endif

src/ce/tice.h

@@ -187,10 +187,15 @@ typedef struct { uint16_t size; uint8_t data[1]; } var_t;
 #define matrix_element(matrix, row, col) ((matrix)->items[(row)+(col)*(matrix)->rows])
 
 /** 
- * Resets the OS homescreen
+ * Resets the OS homescreen; accounts for split screen
  */
 #define os_ClrHome() do { _OS(asm_ClrLCD); _OS(asm_HomeUp); _OS(asm_DrawStatusBar); } while (0)
 
+/** 
+ * Resets the OS homescreen fully
+ */
+#define os_ClrHomeFull() do { _OS(asm_ClrLCDFull); _OS(asm_HomeUp); _OS(asm_DrawStatusBar); } while (0)
+
 /**
  * A faster implementation of memset
  *
@@ -746,6 +751,11 @@ void asm_EnableAPD(void);
  */
 void asm_ArcChk(void);
 
+/**
+ * Assembly routine to clear the homescreen lcd
+ */
+void asm_ClrLCDFull(void);
+
 /**
  * Assembly routine to clear the homescreen lcd.
  * Accounts for split screen

src/ce/tice.src

@@ -104,6 +104,7 @@
 
 	.def _asm_MoveDown
 	.def _asm_MoveUp
+	.def _asm_ClrLCDFull
 	.def _asm_ClrLCD
 	.def _asm_HomeUp
 	.def _asm_RunIndicOn
@@ -219,6 +220,7 @@ _os_CreateAppVar                equ 022184h
 
 _asm_MoveDown                   equ 0207F4h
 _asm_MoveUp                     equ 020800h
+_asm_ClrLCDFull                 equ 020808h
 _asm_ClrLCD                     equ 02080Ch
 _asm_HomeUp                     equ 020828h
 _asm_RunIndicOn                 equ 020844h