Begun implementing VERA sprite API

include/drivers/vera.h

@@ -10,6 +10,8 @@
 #include <stddef.h>
 #include <stdint.h>
 
+#include "config.h"
+
 typedef enum {
 	ADDR_INCREMENT_0 = 0,
 	ADDR_INCREMENT_1 = 1,
@@ -29,6 +31,13 @@ typedef enum {
 	ADDR_INCREMENT_640 = 15
 } VeraAddressIncrement;
 
+typedef enum {
+	VERA_DEPTH_1BPP,
+	VERA_DEPTH_2BPP,
+	VERA_DEPTH_4BPP,
+	VERA_DEPTH_8BPP
+} VeraBitDepth;
+
 typedef union vera_palette_entry_s {
 	struct {
 		uint8_t blue: 4;

include/drivers/vera_sprites.h

@@ -0,0 +1,69 @@
+//*****************************************************************************
+//  Sentinel 65X Kernel
+//
+//  include/drivers/vera_sprites.h
+//*****************************************************************************
+
+#pragma once
+
+#include <stdbool.h>
+#include <stddef.h>
+#include <stdint.h>
+
+#include "config.h"
+
+#include "drivers/vera.h"
+
+typedef enum {
+	SPRITE_ORDER_DISABLE,
+	SPRITE_ORDER_BOTTOM,
+	SPRITE_ORDER_MID,
+	SPRITE_ORDER_TOP
+} VeraSpriteZOrder;
+
+typedef enum {
+	SPRITE_SIZE_8,
+	SPRITE_SIZE_16,
+	SPRITE_SIZE_32,
+	SPRITE_SIZE_64,
+} VeraSpriteSize;
+
+void vera_sprite_set_bitmap_address(uint8_t index, uint32_t address);
+
+uint32_t vera_sprite_get_bitmap_address(uint8_t index);
+
+void vera_sprite_set_bit_depth(uint8_t index, VeraBitDepth depth);
+
+VeraBitDepth vera_sprite_get_bit_depth(uint8_t index);
+
+void vera_sprite_set_z_order(uint8_t index, VeraSpriteZOrder order);
+
+VeraSpriteZOrder vera_sprite_get_z_order(uint8_t index);
+
+void vera_sprite_set_x_position(uint8_t index, uint16_t position);
+
+uint16_t vera_sprite_get_x_position(uint8_t index);
+
+void vera_sprite_set_y_position(uint8_t index, uint16_t position);
+
+uint16_t vera_sprite_get_y_position(uint8_t index);
+
+void vera_sprite_set_h_flip(uint8_t index, bool state);
+
+bool vera_sprite_get_h_flip(uint8_t index);
+
+void vera_sprite_set_v_flip(uint8_t index, bool state);
+
+bool vera_sprite_get_v_flip(uint8_t index);
+
+void vera_sprite_set_width(uint8_t index, VeraSpriteSize size);
+
+VeraSpriteSize vera_sprite_get_width(uint8_t index);
+
+void vera_sprite_set_height(uint8_t index, VeraSpriteSize size);
+
+VeraSpriteSize vera_sprite_get_height(uint8_t index);
+
+void vera_sprite_set_palette_offset(uint8_t index, uint8_t value);
+
+uint8_t vera_sprite_get_palette_offset(uint8_t index);

src/drivers/vera_sprites.c

@@ -0,0 +1,164 @@
+//*****************************************************************************
+//  Sentinel 65X Kernel
+//
+//  src/drivers/vera_sprites.c
+//*****************************************************************************
+
+#include <stdbool.h>
+#include <stddef.h>
+#include <stdint.h>
+
+#include "config.h"
+#include "drivers/vera.h"
+#include "drivers/vera_sprites.h"
+
+
+void
+vera_sprite_set_bitmap_address(uint8_t index, uint32_t address)
+{
+	(void) index;
+	(void) address;
+
+}
+
+uint32_t
+vera_sprite_get_bitmap_address(uint8_t index)
+{
+	(void) index;
+	return 0;
+}
+
+void
+vera_sprite_set_bit_depth(uint8_t index, VeraBitDepth depth)
+{
+	(void) index;
+	(void) depth;
+
+}
+
+VeraBitDepth
+vera_sprite_get_bit_depth(uint8_t index)
+{
+	(void) index;
+	return VERA_DEPTH_1BPP;
+}
+
+void
+vera_sprite_set_z_order(uint8_t index, VeraSpriteZOrder order)
+{
+	(void) index;
+	(void) order;
+
+}
+
+VeraSpriteZOrder
+vera_sprite_get_z_order(uint8_t index)
+{
+	(void) index;
+	return SPRITE_ORDER_BOTTOM;
+}
+
+void
+vera_sprite_set_x_position(uint8_t index, uint16_t position)
+{
+	(void) index;
+	(void) position;
+
+}
+
+uint16_t
+vera_sprite_get_x_position(uint8_t index)
+{
+	(void) index;
+	return 0;
+}
+
+void
+vera_sprite_set_y_position(uint8_t index, uint16_t position)
+{
+	(void) index;
+	(void) position;
+
+}
+
+uint16_t
+vera_sprite_get_y_position(uint8_t index)
+{
+	(void) index;
+	return 0;
+}
+
+void
+vera_sprite_set_h_flip(uint8_t index, bool state)
+{
+	(void) index;
+	(void) state;
+
+}
+
+bool
+vera_sprite_get_h_flip(uint8_t index)
+{
+	(void) index;
+	return false;
+}
+
+void
+vera_sprite_set_v_flip(uint8_t index, bool state)
+{
+	(void) index;
+	(void) state;
+
+}
+
+bool
+vera_sprite_get_v_flip(uint8_t index)
+{
+	(void) index;
+	return false;
+}
+
+void
+vera_sprite_set_width(uint8_t index, VeraSpriteSize size)
+{
+	(void) index;
+	(void) size;
+
+}
+
+VeraSpriteSize
+vera_sprite_get_width(uint8_t index)
+{
+	(void) index;
+	return SPRITE_SIZE_8;
+}
+
+void
+vera_sprite_set_height(uint8_t index, VeraSpriteSize size)
+{
+	(void) index;
+	(void) size;
+
+}
+
+VeraSpriteSize
+vera_sprite_get_height(uint8_t index)
+{
+	(void) index;
+	return SPRITE_SIZE_8;
+}
+
+void
+vera_sprite_set_palette_offset(uint8_t index, uint8_t value)
+{
+	(void) index;
+	(void) value;
+
+}
+
+uint8_t
+vera_sprite_get_palette_offset(uint8_t index)
+{
+	(void) index;
+	return 0;
+}