git.y1.nz

commit 7884a373e4cbedbcb2c662d311e627b608c01f44
parent b48cde5d07788ba41e1f587e1aae04fcb91e01c8
Author: Toxa <56631470+untoxa@users.noreply.github.com>
Date:   Wed, 20 May 2026 14:46:04 +0300

Define DEVICE_SUPPORTS_WINDOW to indicate which devices support window layer
Diffstat:
M
gbdk-lib/examples/cross-platform/text_advanced_dialogue/src/main.c
9
++++-----
M
gbdk-lib/include/gb/gb.h
4
++++
M
gbdk-lib/include/msx/msx.h
4
++++
M
gbdk-lib/include/nes/nes.h
7
+++++++
M
gbdk-lib/include/sms/sms.h
4
++++

5 files changed, 23 insertions(+), 5 deletions(-)
diff --git a/gbdk-lib/examples/cross-platform/text_advanced_dialogue/src/main.c b/gbdk-lib/examples/cross-platform/text_advanced_dialogue/src/main.c
@@ -19,7 +19,7 @@
     #define BYTES_PER_TILE  1
 #endif
 
-#if defined(SEGA) || defined(NINTENDO_NES)
+#if !DEVICE_SUPPORTS_WINDOW
 
     #define get_winbkg_xy_addr get_bkg_xy_addr
     #define set_winbkg_based_tiles set_bkg_based_tiles
@@ -49,7 +49,7 @@ uint8_t loadedCharacterCount=0;
 
 void MoveWindow(void){
     
-    #if !defined(SEGA) &&  !defined(NINTENDO_NES)
+    #if DEVICE_SUPPORTS_WINDOW
     
     move_win(7,windowYPosition);
 
@@ -345,8 +345,7 @@ void DrawTextAdvanced(char* text){
 
 
 void ClearScreen(void){
-    #if !defined(SEGA) && !defined(NINTENDO_NES)
-    // Game Gear doesn't have a window.
+    #if DEVICE_SUPPORTS_WINDOW
     fill_win_rect(0,0,DEVICE_SCREEN_WIDTH,DEVICE_SCREEN_HEIGHT,0);
     #endif
     fill_bkg_rect(0,0,DEVICE_SCREEN_WIDTH,DEVICE_SCREEN_HEIGHT,0);
@@ -357,7 +356,7 @@ void main(void)
     DISPLAY_ON;
     SHOW_BKG;
 
-    #if !defined(SEGA) && !defined(NINTENDO_NES)
+    #if DEVICE_SUPPORTS_WINDOW
     SHOW_WIN;
     #endif
 
diff --git a/gbdk-lib/include/gb/gb.h b/gbdk-lib/include/gb/gb.h
@@ -460,6 +460,10 @@ extern uint8_t _is_GBA;
  */
 #define DEVICE_SUPPORTS_COLOR (_cpu == CGB_TYPE)
 
+/** Macro returns TRUE if device supports window layer
+ */
+#define DEVICE_SUPPORTS_WINDOW (TRUE)
+
 /** Global Time Counter in VBL periods (60Hz)
 
     Increments once per Frame
diff --git a/gbdk-lib/include/msx/msx.h b/gbdk-lib/include/msx/msx.h
@@ -326,6 +326,10 @@ void refresh_OAM(void);
  */
 #define DEVICE_SUPPORTS_COLOR (TRUE)
 
+/** Macro returns TRUE if device supports window layer
+ */
+#define DEVICE_SUPPORTS_WINDOW (FALSE)
+
 /** Global Time Counter in VBL periods (60Hz)
 
     Increments once per Frame
diff --git a/gbdk-lib/include/nes/nes.h b/gbdk-lib/include/nes/nes.h
@@ -651,6 +651,13 @@ void refresh_OAM(void) NO_OVERLAY_LOCALS;
  */
 #define DEVICE_SUPPORTS_COLOR (TRUE)
 
+/** Macro returns TRUE if device supports window layer
+ */
+#ifdef NES_WINDOW_LAYER 
+#define DEVICE_SUPPORTS_WINDOW (TRUE)
+#else
+#define DEVICE_SUPPORTS_WINDOW (FALSE)
+#endif
 
 /**
  * Set byte in vram at given memory location
diff --git a/gbdk-lib/include/sms/sms.h b/gbdk-lib/include/sms/sms.h
@@ -331,6 +331,10 @@ void refresh_OAM(void);
  */
 #define DEVICE_SUPPORTS_COLOR (TRUE)
 
+/** Macro returns TRUE if device supports window layer
+ */
+#define DEVICE_SUPPORTS_WINDOW (FALSE)
+
 /** Global Time Counter in VBL periods (60Hz)
 
     Increments once per Frame

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