git.y1.nz

commit effcf9c52b5c501dadbcd12ee6c88cc893916619
parent 16fb151c328ed2c6b4c1871a25c98324a0d37062
Author: Toxa <untoxa@mail.ru>
Date:   Sun, 12 Jun 2022 15:17:06 +0300

ALL TARGETS: some CGB-specific and cross-platform definitions for the VBK_REG values and it's emulation on the other targets

Diffstat:
M
gbdk-lib/include/gb/hardware.h
21
+++++++++++++++++++++
M
gbdk-lib/include/msx/hardware.h
3
+++
M
gbdk-lib/include/sms/hardware.h
3
+++

3 files changed, 27 insertions(+), 0 deletions(-)
diff --git a/gbdk-lib/include/gb/hardware.h b/gbdk-lib/include/gb/hardware.h
@@ -311,6 +311,27 @@ __REG KEY1_REG;         /**< CPU speed */
 
 __REG VBK_REG;          /**< VRAM bank select (CGB only)*/
 #define rVBK VBK_REG
+
+#define VBK_BANK_0      0        /**< Select Regular Map and Normal Tiles (CGB Mode Only) */
+#define VBK_TILES       0        /**< Select Regular Map and Normal Tiles (CGB Mode Only) */
+#define VBK_BANK_1      1        /**< Select Map Attributes and Extra Tile Bank (CGB Mode Only)*/
+#define VBK_ATTRIBUTES  1        /**< Select Regular Map and Normal Tiles (CGB Mode Only) */
+
+#define BKGF_PRI      0b10000000  /**< Background CGB BG and Window over Sprite priority Enabled */
+#define BKGF_YFLIP    0b01000000  /**< Background CGB Y axis flip: Vertically mirrored */
+#define BKGF_XFLIP    0b00100000  /**< Background CGB X axis flip: Horizontally mirrored */
+#define BKGF_BANK0    0b00000000  /**< Background CGB Tile VRAM-Bank: Use Bank 0 (CGB Mode Only) */
+#define BKGF_BANK1    0b00001000  /**< Background CGB Tile VRAM-Bank: Use Bank 1 (CGB Mode Only) */
+
+#define BKGF_CGB_PAL0 0b00000000  /**< Background CGB Palette number (CGB Mode Only) */
+#define BKGF_CGB_PAL1 0b00000001  /**< Background CGB Palette number (CGB Mode Only) */
+#define BKGF_CGB_PAL2 0b00000010  /**< Background CGB Palette number (CGB Mode Only) */
+#define BKGF_CGB_PAL3 0b00000011  /**< Background CGB Palette number (CGB Mode Only) */
+#define BKGF_CGB_PAL4 0b00000100  /**< Background CGB Palette number (CGB Mode Only) */
+#define BKGF_CGB_PAL5 0b00000101  /**< Background CGB Palette number (CGB Mode Only) */
+#define BKGF_CGB_PAL6 0b00000110  /**< Background CGB Palette number (CGB Mode Only) */
+#define BKGF_CGB_PAL7 0b00000111  /**< Background CGB Palette number (CGB Mode Only) */
+
 __REG HDMA1_REG;        /**< DMA control 1 */
 #define rHDMA1 HDMA1_REG
 __REG HDMA2_REG;        /**< DMA control 2 */
diff --git a/gbdk-lib/include/msx/hardware.h b/gbdk-lib/include/msx/hardware.h
@@ -180,6 +180,9 @@ extern const UBYTE _SYSTEM;
 
 extern volatile UBYTE VDP_ATTR_SHIFT;
 
+#define VBK_TILES       0
+#define VBK_ATTRIBUTES  1
+
 #define VDP_SAT_TERM   0xD0
 
 #if defined(__TARGET_msxdos)
diff --git a/gbdk-lib/include/sms/hardware.h b/gbdk-lib/include/sms/hardware.h
@@ -185,6 +185,9 @@ extern const UBYTE _SYSTEM;
 
 extern volatile UBYTE VDP_ATTR_SHIFT;
 
+#define VBK_TILES       0
+#define VBK_ATTRIBUTES  1
+
 #define VDP_SAT_TERM   0xD0
 
 #if defined(__TARGET_sms)

This webpage is intended to be an accessible preview of this repository. To get a fuller picture, clone it and use the git CLI.