git.y1.nz

commit c82b0732a147c6226ffdb7116ca1a83ab93f665a
parent 720b257a13618e1b3b74c6dacc1656059e69e29f
Author: Toxa <untoxa@mail.ru>
Date:   Wed, 27 Mar 2024 00:16:59 +0300

define S_BANK tile attribute for the Game Boy (CGB) and the SMS/GG

Diffstat:
M
gbdk-lib/include/gb/gb.h
5
+++++
M
gbdk-lib/include/sms/sms.h
5
++++-

2 files changed, 9 insertions(+), 1 deletion(-)
diff --git a/gbdk-lib/include/gb/gb.h b/gbdk-lib/include/gb/gb.h
@@ -73,6 +73,11 @@
 */
 #define M_NO_INTERP  0x08U
 
+/** If this bit set clear, the tile from the second
+    VRAM bank is used
+    @see set_sprite_prop()
+*/
+#define S_BANK       0x08U
 /** If this is set, sprite colours come from OBJ1PAL. Else
     they come from OBJ0PAL
     @see set_sprite_prop().
diff --git a/gbdk-lib/include/sms/sms.h b/gbdk-lib/include/sms/sms.h
@@ -77,6 +77,9 @@
 */
 #define M_NO_INTERP  0x08U
 
+/** The nineth bit of the tile id
+*/
+#define S_BANK       0x01U
 /** If set the background tile will be flipped horizontally.
  */
 #define S_FLIPX      0x02U
@@ -323,7 +326,7 @@ void refresh_OAM(void);
 extern volatile uint16_t sys_time;
 
 
-/** Return R register for the DIV_REG emulation 
+/** Return R register for the DIV_REG emulation
 
     Increments once per CPU instruction (fetches the Z80 CPU R register)
 

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