From 8a00ab5a6b67f3dd0d8244f3556648b30ea6fe0b Mon Sep 17 00:00:00 2001
From: Thomas Touhey <thomas@touhey.fr>
Date: Mon, 23 May 2016 23:56:02 +0200
Subject: [PATCH] Added ML_background

---
 Makefile.vars        |  7 +++++--
 include/monochrome.h | 13 ++++++++++++-
 src/ML_background.c  | 41 +++++++++++++++++++++++++++++++++++++++++
 src/ML_vram_adress.c |  2 +-
 4 files changed, 59 insertions(+), 4 deletions(-)
 create mode 100644 src/ML_background.c

diff --git a/Makefile.vars b/Makefile.vars
index 96bad2a..d757b94 100644
--- a/Makefile.vars
+++ b/Makefile.vars
@@ -35,7 +35,9 @@ SRC =		ML_vram_adress \
 			ML_bmp_8_or ML_bmp_8_and ML_bmp_8_xor \
 			ML_bmp_8_or_cl ML_bmp_8_and_cl ML_bmp_8_xor_cl \
 			ML_bmp_16_or ML_bmp_16_and ML_bmp_16_xor \
-			ML_bmp_16_or_cl ML_bmp_16_and_cl ML_bmp_16_xor_cl
+			ML_bmp_16_or_cl ML_bmp_16_and_cl ML_bmp_16_xor_cl \
+			\
+			ML_background
 
 # INCLUDE FILES
 ## PUBLIC
@@ -65,7 +67,8 @@ MAN =		$(MAN3:%=man3/%.3)
 PLATFORM =	sh3eb-elf-
 ## Compilator
 CC =		$(PLATFORM)gcc
-CFLAGS =	-I $(INCDIR)
+CHKFLAGS =	-Wall -Wextra
+CFLAGS =	-I $(INCDIR) $(CHKFLAGS)
 ## Archive manager
 AR =		$(PLATFORM)ar
 ## Ranlib
diff --git a/include/monochrome.h b/include/monochrome.h
index 675f0ef..0b8e3ee 100644
--- a/include/monochrome.h
+++ b/include/monochrome.h
@@ -29,11 +29,17 @@ typedef enum {
 	ML_CHECKER
 } ML_Color;
 
+typedef enum {
+	ML_MOR,
+	ML_MAND,
+	ML_MXOR
+} ML_Mode;
+
 /*
 **	Function prototypes
 */
 
-char* ML_vram_adress();
+void* ML_vram_adress();
 
 void ML_clear_vram();
 void ML_clear_screen();
@@ -87,6 +93,11 @@ void ML_bmp_16_or_cl(const unsigned short *bmp, int x, int y);
 void ML_bmp_16_and_cl(const unsigned short *bmp, int x, int y);
 void ML_bmp_16_xor_cl(const unsigned short *bmp, int x, int y);
 
+#define ML_background_or(B) ML_background((B), ML_OR)
+#define ML_background_and(B) ML_background((B), ML_AND)
+#define ML_background_xor(B) ML_background((B), ML_XOR)
+void ML_background(const void *bmp, ML_Mode mode);
+
 # ifdef __cplusplus
 }
 # endif
diff --git a/src/ML_background.c b/src/ML_background.c
new file mode 100644
index 0000000..697ce2d
--- /dev/null
+++ b/src/ML_background.c
@@ -0,0 +1,41 @@
+/* ************************************************************************** */
+/*                                       _____           _                    */
+/*  ML_background.c                     |_   _|__  _   _| |__   ___ _   _     */
+/*  | Project : CaphiOS                   | |/ _ \| | | | '_ \ / _ \ | | |    */
+/*                                        | | (_) | |_| | | | |  __/ |_| |    */
+/*  By: thomas <thomas@touhey.fr>         |_|\___/ \__,_|_| |_|\___|\__, |.fr */
+/*  Last updated: 2016/05/23 23:38:59                               |___/     */
+/*                                                                            */
+/* ************************************************************************** */
+
+#include <monochrome/internals.h>
+
+/*
+**	ML_background:
+**	Draws a sprite on the whole screen.
+**	@bmp: link to the bmp data (must be 128*16 bytes long)
+*/
+
+void ML_background(const void *bmp, ML_Mode mode)
+{
+	unsigned int *v = ML_vram_adress();
+	const unsigned int *b = bmp;
+	int w = 0;
+
+	switch (mode) {
+		case ML_MAND:
+			for (; w < 256; w++, v++, b++)
+				*v &= *b;
+			break;
+
+		case ML_MOR:
+			for (; w < 256; w++, v++, b++)
+				*v |= *b;
+			break;
+
+		case ML_MXOR:
+			for (; w < 256; w++, v++, b++)
+				*v ^= *b;
+			break;
+	}
+}
diff --git a/src/ML_vram_adress.c b/src/ML_vram_adress.c
index 519a9ec..9b7b245 100644
--- a/src/ML_vram_adress.c
+++ b/src/ML_vram_adress.c
@@ -14,7 +14,7 @@
 typedef char*(*sc_cpv)(void);
 const unsigned int sc0135[] = {0xD201D002, 0x422B0009, 0x80010070, 0x0135};
 
-char* ML_vram_adress()
+void* ML_vram_adress()
 {
 	return ((sc_cpv)sc0135)();
 }