git.y1.nz

commit 9dbe8ae91c25a12ed4c47de1c4425c54b53a8d05
parent 7884a373e4cbedbcb2c662d311e627b608c01f44
Author: Toxa <56631470+untoxa@users.noreply.github.com>
Date:   Fri, 22 May 2026 13:56:10 +0300

Merge pull request #897 from michel-iwaniec/add_supports_vram_read_defs

Add new define DEVICE_SUPPORTS_VRAM_READ, to indicate which platforms have support for reading from VRAM
Diffstat:
M
gbdk-lib/include/gb/gb.h
4
++++
M
gbdk-lib/include/msx/msx.h
4
++++
M
gbdk-lib/include/nes/nes.h
4
++++
M
gbdk-lib/include/sms/sms.h
4
++++

4 files changed, 16 insertions(+), 0 deletions(-)
diff --git a/gbdk-lib/include/gb/gb.h b/gbdk-lib/include/gb/gb.h
@@ -464,6 +464,10 @@ extern uint8_t _is_GBA;
  */
 #define DEVICE_SUPPORTS_WINDOW (TRUE)
 
+/** Macro returns TRUE if device supports reading from VRAM
+ */
+#define DEVICE_SUPPORTS_VRAM_READ (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
@@ -330,6 +330,10 @@ void refresh_OAM(void);
  */
 #define DEVICE_SUPPORTS_WINDOW (FALSE)
 
+/** Macro returns TRUE if device supports reading from VRAM
+ */
+#define DEVICE_SUPPORTS_VRAM_READ (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
@@ -659,6 +659,10 @@ void refresh_OAM(void) NO_OVERLAY_LOCALS;
 #define DEVICE_SUPPORTS_WINDOW (FALSE)
 #endif
 
+/** Macro returns TRUE if device supports reading from VRAM
+ */
+#define DEVICE_SUPPORTS_VRAM_READ (FALSE)
+
 /**
  * Set byte in vram at given memory location
  *
diff --git a/gbdk-lib/include/sms/sms.h b/gbdk-lib/include/sms/sms.h
@@ -335,6 +335,10 @@ void refresh_OAM(void);
  */
 #define DEVICE_SUPPORTS_WINDOW (FALSE)
 
+/** Macro returns TRUE if device supports reading from VRAM
+ */
+#define DEVICE_SUPPORTS_VRAM_READ (FALSE)
+
 /** Global Time Counter in VBL periods (60Hz)
 
     Increments once per Frame

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