added bin2asm for font file source creation

Tools/unix/Makefile

@@ -9,7 +9,7 @@ ifeq ($(UNAME), Darwin)
 	SUFFIX=osx
 endif
 
-SUBDIRS= bst uz80as zx cpmtools
+SUBDIRS= bst uz80as zx cpmtools bin2asm
 
 all:
 	@for i in $(SUBDIRS) ; do \

Tools/unix/bin2asm/LICENSE

@@ -0,0 +1,21 @@
+MIT License
+
+Copyright (c) 2016 ipatix
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.

Tools/unix/bin2asm/Makefile

@@ -0,0 +1,31 @@
+CC = gcc
+STRIP = strip
+CFLAGS = -Werror -Wall -Wextra -Wconversion -O2 -D NDEBUG
+BINARY = bin2asm
+
+DEST := ../../$(shell uname)
+
+SRC_FILES = $(wildcard *.c)
+OBJ_FILES = $(SRC_FILES:.c=.o)
+
+all: $(BINARY) $(DEST)
+	cp $(BINARY) $(DEST)
+
+$(DEST):
+	mkdir -p $(DEST)
+	
+.PHONY: clean
+
+clean:
+	rm -f $(OBJ_FILES)
+
+clobber:
+	rm -f $(DEST)/$(BINARY) $(BINARY)
+
+$(BINARY): $(OBJ_FILES)
+	$(CC) -o $@ $^ $(LIBS)
+	$(STRIP) -s $@
+
+%.o: %.c
+	$(CC) -c -o $@ $< $(CFLAGS) $(IMPORT)
+

Tools/unix/bin2asm/README.md

@@ -0,0 +1,5 @@
+# bin2asm
+Converts binary files to ASM compatible assembly files
+
+Usage:
+$ bin2asm hello.bin > hello.asm

Tools/unix/bin2asm/bin2asm.c

@@ -0,0 +1,103 @@
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <libgen.h>
+
+void die(const char msg[]) {
+    perror(msg);
+    exit(EXIT_FAILURE);
+}
+
+int main(int argc, char *argv[]) {
+    for (int i = 1; i < argc; i++) {
+        // determine file size
+        FILE *input_file = fopen(argv[i], "rb");
+        if (!input_file) {
+            fprintf(stderr, "fail %s\n", argv[i]);
+            die("Couldn't open input file");
+        }
+        if (fseek(input_file, 0, SEEK_END) == -1) {
+            die("Error determining file size");
+        }
+        long file_size = ftell(input_file);
+        if (file_size == -1) {
+            die("Error determining file size (2)");
+        }
+        if (fseek(input_file, 0, SEEK_SET) == -1) {
+            die("Error determining file size (3)");
+        }
+        // get file name
+        char *name = basename(argv[i]);
+        char *dot = strrchr(name, '.');
+        if (dot) {
+            *dot = '\0';
+        }
+
+        // print header
+        printf("        .section .rodata\r\n");
+        printf("        .global %s\r\n", name);
+        printf("        .align  2\r\n\r\n");
+        printf("%s:\r\n\r\n", name);
+
+        // write lines
+        while (file_size > 0) {
+            size_t bytes_read = (file_size > 8) ? 8 : (size_t)file_size;
+            unsigned char data_buf[8];
+            size_t actual_read = fread(data_buf, 1, bytes_read, input_file);
+            if (actual_read != bytes_read) {
+                fprintf(stderr, "Error while reading file, only %d read instead of %d\n", (int)actual_read, (int)bytes_read);
+                if (feof(input_file))
+                    fprintf(stderr, "Reached end of file\n");
+                if (ferror(input_file))
+                    fprintf(stderr, "An unknown error occured while reading the file\n");
+                perror("ERROR");
+                exit(EXIT_FAILURE);
+            }
+            switch (bytes_read) {
+                case 1:
+                    printf("        .byte   0x%02X\r\n",
+                            data_buf[0]);
+                    break;
+                case 2:
+                    printf("        .byte   0x%02X, 0x%02X\r\n",
+                            data_buf[0], data_buf[1]);
+                    break;
+                case 3:
+                    printf("        .byte   0x%02X, 0x%02X, 0x%02X\r\n",
+                            data_buf[0], data_buf[1], data_buf[2]);
+                    break;
+                case 4:
+                    printf("        .byte   0x%02X, 0x%02X, 0x%02X, 0x%02X\r\n",
+                            data_buf[0], data_buf[1], data_buf[2], data_buf[3]);
+                    break;
+                case 5:
+                    printf("        .byte   0x%02X, 0x%02X, 0x%02X, 0x%02X, 0x%02X\r\n",
+                            data_buf[0], data_buf[1], data_buf[2], data_buf[3], data_buf[4]);
+                    break;
+                case 6:
+                    printf("        .byte   0x%02X, 0x%02X, 0x%02X, 0x%02X, 0x%02X, 0x%02X\r\n",
+                            data_buf[0], data_buf[1], data_buf[2], data_buf[3], data_buf[4], data_buf[5]);
+                    break;
+                case 7:
+                    printf("        .byte   0x%02X, 0x%02X, 0x%02X, 0x%02X, 0x%02X, 0x%02X, 0x%02X\r\n",
+                            data_buf[0], data_buf[1], data_buf[2], data_buf[3], data_buf[4], data_buf[5], data_buf[6]);
+                    break;
+                case 8:
+                    printf("        .byte   0x%02X, 0x%02X, 0x%02X, 0x%02X, 0x%02X, 0x%02X, 0x%02X, 0x%02X\r\n",
+                            data_buf[0], data_buf[1], data_buf[2], data_buf[3], data_buf[4], data_buf[5], data_buf[6], data_buf[7]);
+                    break;
+                default:
+                    fprintf(stderr, "Invalid program state\n");
+                    exit(EXIT_FAILURE);
+            }
+            file_size -= (long)bytes_read;
+        }
+
+        printf("\r\n");
+
+        if (fclose(input_file)) {
+            die("Error while closing file");
+        }
+    }
+    return 0;
+}