From 73f92730147e3d98c7aa748ae609df42a0cb2d9b Mon Sep 17 00:00:00 2001
From: Martin Preuss <martin@aquamaniac.de>
Date: Sun, 18 Jan 2026 14:26:46 +0100
Subject: [PATCH] avr: added routines to write text from SDRAM

---
 avr/modules/lcd2/gui2/widget.asm | 50 +++++++++++++++++++++++++++++++-
 1 file changed, 49 insertions(+), 1 deletion(-)

diff --git a/avr/modules/lcd2/gui2/widget.asm b/avr/modules/lcd2/gui2/widget.asm
index a57ab3d..b71ab5b 100644
--- a/avr/modules/lcd2/gui2/widget.asm
+++ b/avr/modules/lcd2/gui2/widget.asm
@@ -461,7 +461,7 @@ Widget_SubFlags_ret:
 
 Widget_Clear:
   rcall Widget_LoadDisplayRegs
-  rcall Widget_MakeAbsPos                ; (R16, R17)
+  rcall Widget_MakeAbsPos         ; (R16, R17)
   rcall Widget_GetSdramPtr        ; (none)
   adiw zh:zl, WIDGET_OFFS_OPTS_LO ; get OPTS low
   lpm r14, Z
@@ -671,6 +671,54 @@ Widget_DrawColoredTextFlash_loopEnd:
 
 
 
+; ---------------------------------------------------------------------------
+; @routine Widget_DrawTextSDRAM @global
+;
+; @param  Z       byte address of widget object (for LPM!)
+; @param  R5:R4   X relative to widget
+; @param  R7:R6   Y relative to widget
+; @param  X       pointer to text in SDRAM
+; @clobbers any, !Z
+
+Widget_DrawTextSDRAM:
+  rcall Widget_GetSdramPtr        ; (none)
+  rcall Widget_SelectColors       ; (R16)
+  rjmp Widget_DrawColoredTextSDRAM
+; @end
+
+
+
+; ---------------------------------------------------------------------------
+; @routine Widget_DrawColoredTextSDRAM @global
+;
+; @param  Z       byte address of widget object (for LPM!)
+; @param  R1:R0   background color
+; @param  R3:R2   foreground color
+; @param  R5:R4   X relative to widget
+; @param  R7:R6   Y relative to widget
+; @param  X       pointer to text in SDRAM
+; @clobbers any, !Z
+
+Widget_DrawColoredTextSDRAM:
+  rcall widgetCalcAbsPosAndBorders           ; (R16, R17)
+Widget_DrawColoredTextSDRAM_loop:
+    ld r16, X
+    tst r16
+    breq Widget_DrawColoredTextSDRAM_loopEnd
+    push xl
+      push xh
+        rcall widgetDrawChar                 ; (any, !Y, !R6, !R7, !R8, !R9, !R10, !R11)
+      pop xh
+    pop xl
+    brcc Widget_DrawColoredTextSDRAM_loopEnd
+    adiw xh:xl, 1
+  rjmp Widget_DrawColoredTextSDRAM_loop
+Widget_DrawColoredTextSDRAM_loopEnd:
+  ret
+; @end
+
+
+
 ; ---------------------------------------------------------------------------
 ; @routine widgetCalcAbsPosAndBorders
 ;