git.y1.nz

commit de1bd7b473b85228644b6e054faaee70d76f8036
parent 34053c6bbee961cce3ee070befccca49098362b6
Author: Toxa <untoxa@mail.ru>
Date:   Thu, 28 Mar 2024 16:20:39 +0300

define SET_BORDER_COLOR() macro for all platforms

Diffstat:
M
gbdk-lib/include/gb/gb.h
4
++++
M
gbdk-lib/include/msx/msx.h
4
++++
M
gbdk-lib/include/nes/nes.h
5
+++++
M
gbdk-lib/include/sms/sms.h
4
++++

4 files changed, 17 insertions(+), 0 deletions(-)
diff --git a/gbdk-lib/include/gb/gb.h b/gbdk-lib/include/gb/gb.h
@@ -872,6 +872,10 @@ void hiramcpy(uint8_t dst, const void *src, uint8_t n) OLDCALL PRESERVES_REGS(b,
  */
 #define SHOW_LEFT_COLUMN
 
+/** Does nothing for GB
+ */
+#define SET_BORDER_COLOR(C)
+
 /** Turns on the background layer.
     Sets bit 0 of the LCDC register to 1.
 */
diff --git a/gbdk-lib/include/msx/msx.h b/gbdk-lib/include/msx/msx.h
@@ -265,6 +265,10 @@ void refresh_OAM(void);
 #define SHOW_LEFT_COLUMN \
 	__WRITE_VDP_REG(VDP_R0, __READ_VDP_REG(VDP_R0) &= (~R0_LCB))
 
+/** Sets border color
+ */
+#define SET_BORDER_COLOR(C) __WRITE_VDP_REG(VDP_R7, ((C) | 0xf0u))
+
 /** Turns on the background layer.
     Not yet implemented
 */
diff --git a/gbdk-lib/include/nes/nes.h b/gbdk-lib/include/nes/nes.h
@@ -500,6 +500,11 @@ void refresh_OAM(void) NO_OVERLAY_LOCALS;
 #define SHOW_LEFT_COLUMN \
     shadow_PPUMASK |= (PPUMASK_SHOW_BG_LC | PPUMASK_SHOW_SPR_LC);
 
+/** Does nothing for NES
+    not implemented yet
+ */
+#define SET_BORDER_COLOR(C)
+
 /** Turns on the background layer.
     Sets bit 0 of the LCDC register to 1.
 */
diff --git a/gbdk-lib/include/sms/sms.h b/gbdk-lib/include/sms/sms.h
@@ -272,6 +272,10 @@ void refresh_OAM(void);
 #define SHOW_LEFT_COLUMN \
 	__WRITE_VDP_REG(VDP_R0, __READ_VDP_REG(VDP_R0) &= (~R0_LCB))
 
+/** Sets border color
+ */
+#define SET_BORDER_COLOR(C) __WRITE_VDP_REG(VDP_R7, ((C) | 0xf0u))
+
 /** Turns on the background layer.
     Not yet implemented
 */

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