avr: more work on c03 and gui.

avr/modules/lcd2/gui/base/widget.asm

@@ -1210,6 +1210,30 @@ Widget_CalcStringWidthSDRAM_done:
 
 
 
+; ---------------------------------------------------------------------------
+; @routine Widget_CalcFixedStringWidth
+;
+; @param  Y     address of widget
+; @param  r17     number of chars
+; @return r13:r12 width of string
+; @clobbers R16-R25
+
+Widget_CalcFixedStringWidth:
+  push xl
+    rcall Widget_GetCharWidth   ; r16=charWidth (none)
+    mov r20, r16
+    clr r21
+    mov r22, r17
+    clr r23
+    bigcall Utils_Mulu16x16_32  ; (TODO: implement Mulu8x8_16)
+    mov r12, r16
+    mov r13, r17
+  pop xl
+  ret
+; @end
+
+
+
 ; ---------------------------------------------------------------------------
 ; @routine Widget_PackSelfX @global
 ;