commit 2bdc9a55818b4d12c44a7269ea61c4687be64d68
Author: Dreaded_X <tim.huizinga@gmail.com>
Date:   Thu Jan 9 00:02:12 2020 +0100

    Simple program that calculates the first 10 Fibonacci numbers

diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..30bcfa4
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1 @@
+.build/
diff --git a/.vimlocal b/.vimlocal
new file mode 100644
index 0000000..d538dbe
--- /dev/null
+++ b/.vimlocal
@@ -0,0 +1,3 @@
+set makeprg=./tools/build.sh
+map <silent> <F10> :Start ./tools/upload_stm32.sh<cr>
+map <silent> <F20> :Start python.exe rootfs$(pwd)/tools/upload_z80.py rootfs$(pwd)/build/fib.z80<cr>
diff --git a/build.sh b/build.sh
new file mode 100755
index 0000000..b3cc370
--- /dev/null
+++ b/build.sh
@@ -0,0 +1,2 @@
+#!/bin/bash
+mkdir -p .build && zasm -i src/fib.z80 -o .build/fib.bin
diff --git a/src/fib.z80 b/src/fib.z80
new file mode 100644
index 0000000..3540d75
--- /dev/null
+++ b/src/fib.z80
@@ -0,0 +1,38 @@
+.org $0000
+main:
+init:
+	ld hl, out+7
+
+	ld a, (amount)
+	ld d, a
+	dec d
+
+	ld a, (y)
+	ld b, a
+
+	ld a, (x)
+
+loop:
+	add a, b
+
+	ld (hl), a
+	inc hl
+
+	ld c, a
+	ld a, b
+	ld b, c
+
+	dec d
+	jp nz, loop
+
+done:
+	halt
+
+
+amount:
+	.db 10
+x:
+	.db 0
+y:
+	.db 1
+out:
diff --git a/upload.py b/upload.py
new file mode 100644
index 0000000..e1aa38c
--- /dev/null
+++ b/upload.py
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+import serial
+import os
+import sys
+
+def progressbar(it, prefix="", size=60, file=sys.stdout):
+    count = len(it)
+    def show(j):
+        x = int(size*j/count)
+        file.write("%s[%s%s] %i/%i\r" % (prefix, "#"*x, "."*(size-x), j, count))
+        file.flush()        
+    show(0)
+    for i, item in enumerate(it):
+        yield item
+        show(i+1)
+    file.write("\n")
+    file.flush()
+
+def main():
+    if len(sys.argv) == 3:
+        ser = serial.Serial(sys.argv[1], timeout=1, write_timeout=1)
+        if ser.is_open:
+            # Clear out any existing input
+            ser.write(b'\n')
+            ser.readline()
+
+            # Send the upload command
+            ser.write(b'#u\n')
+            print(ser.readline())
+
+            path = sys.argv[2]
+            size = os.path.getsize(path)
+            ser.write([size])
+            i = 0
+            with open(path, "rb") as f:
+                for i in progressbar(range(size), "Upload: ", 40):
+                    ser.write(f.read(1))
+
+            print(ser.readline())
+            ser.close()
+
+        else:
+            print("Failed to open serial port")
+    else:
+        print("Please provide file to upload")
+
+if "__main__":
+    main()