From 093dde2c90528f6e36768826e0d6c823696345b5 Mon Sep 17 00:00:00 2001
From: tildearrow <me@tildearrow.org>
Date: Thu, 1 Feb 2024 00:38:24 -0500
Subject: [PATCH] DivASM: earliest work

---
 src/divasm/divasm.cpp     | 22 +++++++++++++++++
 src/divasm/divasm.h       | 52 +++++++++++++++++++++++++++++++--------
 src/divasm/standalone.cpp | 30 ++++++++++++++++++++++
 3 files changed, 94 insertions(+), 10 deletions(-)
 create mode 100644 src/divasm/divasm.cpp
 create mode 100644 src/divasm/standalone.cpp

diff --git a/src/divasm/divasm.cpp b/src/divasm/divasm.cpp
new file mode 100644
index 000000000..3970669c8
--- /dev/null
+++ b/src/divasm/divasm.cpp
@@ -0,0 +1,22 @@
+/**
+ * Furnace Tracker - multi-system chiptune tracker
+ * Copyright (C) 2021-2024 tildearrow and contributors
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program; if not, write to the Free Software Foundation, Inc.,
+ * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+ */
+
+ #include "divasm.h"
+
+ 
\ No newline at end of file
diff --git a/src/divasm/divasm.h b/src/divasm/divasm.h
index 2846c98f8..646ed089f 100644
--- a/src/divasm/divasm.h
+++ b/src/divasm/divasm.h
@@ -1,3 +1,27 @@
+/**
+ * Furnace Tracker - multi-system chiptune tracker
+ * Copyright (C) 2021-2024 tildearrow and contributors
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program; if not, write to the Free Software Foundation, Inc.,
+ * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+ */
+
+// this is a mini-assembler written for Furnace.
+// it will be used in future ROM export (yes, that's right, ROM is baked at export time).
+
+#include "../engine/safeWriter.h"
+
 struct DivASMResult {
   int line, err;
   DivASMResult():
@@ -5,26 +29,34 @@ struct DivASMResult {
     err(0) {}
 };
 
-struct DivASMFile {
-  String name;
-  SafeReader* data;
-};
-
 enum DivASMTarget {
   DIV_ASM_TARGET_DUMMY=0,
   DIV_ASM_TARGET_6502,
-  DIV_ASM_TARGET_SPC700
+  DIV_ASM_TARGET_SPC700,
+  DIV_ASM_TARGET_Z80
+};
+
+struct DivLabel {
+  String name;
+  unsigned int location;
+  bool direct;
+};
+
+struct DivOper {
+  String operation;
+  int line;
 };
 
 class DivASM {
-  std::vector<DivASMFile> files;
   SafeWriter* result;
 
+  std::vector<DivLabel> labels;
+  std::vector<DivOper> ops;
+
   public:
     DivASMResult getError();
-    SafeWriter* assemble(String name);
-    void addFile(String name, SafeReader* data);
+    SafeWriter* assemble(SafeReader* data);
 
-    DivASM(DivASMTarget target);
+    DivASM();
     ~DivASM();
 };
diff --git a/src/divasm/standalone.cpp b/src/divasm/standalone.cpp
new file mode 100644
index 000000000..17b0bf631
--- /dev/null
+++ b/src/divasm/standalone.cpp
@@ -0,0 +1,30 @@
+/**
+ * Furnace Tracker - multi-system chiptune tracker
+ * Copyright (C) 2021-2024 tildearrow and contributors
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program; if not, write to the Free Software Foundation, Inc.,
+ * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+ */
+
+#include "divasm.h"
+
+int main(int argc, char** argv) {
+  if (argc<2) {
+    printf("usage: %s file\n",argv[0]);
+    return 1;
+  }
+
+  
+  return 0;
+}
\ No newline at end of file