Updated rasm to 1.7

1 files changed, 46 insertions, 0 deletions

diff --git a/tools/rasm/ZX0-main/src/zx0.h b/tools/rasm/ZX0-main/src/zx0.h
new file mode 100644
index 0000000..3b60402
--- /dev/null
+++ b/tools/rasm/ZX0-main/src/zx0.h
@@ -0,0 +1,46 @@
+/*
+ * (c) Copyright 2021 by Einar Saukas. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *     * Redistributions of source code must retain the above copyright
+ *       notice, this list of conditions and the following disclaimer.
+ *     * Redistributions in binary form must reproduce the above copyright
+ *       notice, this list of conditions and the following disclaimer in the
+ *       documentation and/or other materials provided with the distribution.
+ *     * The name of its author may not be used to endorse or promote products
+ *       derived from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+ * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ * DISCLAIMED. IN NO EVENT SHALL <COPYRIGHT HOLDER> BE LIABLE FOR ANY
+ * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+ * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+ * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+ * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#define INITIAL_OFFSET 1
+
+#define FALSE 0
+#define TRUE 1
+
+typedef struct block_t {
+    struct block_t *chain;
+    struct block_t *ghost_chain;
+    int bits;
+    int index;
+    int offset;
+    int references;
+} BLOCK;
+
+BLOCK *allocate(int bits, int index, int offset, BLOCK *chain);
+
+void assign(BLOCK **ptr, BLOCK *chain);
+
+BLOCK *zx0_optimize(unsigned char *input_data, int input_size, int skip, int offset_limit);
+
+unsigned char *zx0_compress(BLOCK *optimal, unsigned char *input_data, int input_size, int skip, int backwards_mode, int invert_mode, int *output_size, int *delta);