mouse support (working in qemu, semi-working in virtualbox)

3 files changed, 12 insertions, 2 deletions

diff --git a/documentation/keys.txt b/documentation/kernel-interface/keys.txt
index 1b92afa..1b92afa 100644
--- a/documentation/keys.txt
+++ b/documentation/kernel-interface/keys.txt
diff --git a/documentation/sockets.txt b/documentation/kernel-interface/sockets.txt
index 73dade6..73dade6 100644
--- a/documentation/sockets.txt
+++ b/documentation/kernel-interface/sockets.txt
diff --git a/documentation/syscalls.txt b/documentation/kernel-interface/syscalls.txt
index 52e909d..792c300 100644
--- a/documentation/syscalls.txt
+++ b/documentation/kernel-interface/syscalls.txt
@@ -63,9 +63,19 @@ get new pages:
   rax out: start of first page
   the allocated pages are next to each other, writable, and not executable.
 
-read key packet:
+get input packet:
   rax in: 5
-  eax out: key packet
+  al out:
+    bit 7: was mouse packet
+    if bit 7:
+      bit 0: left mouse button down
+      bit 1: right mouse button down
+      bit 2: middle mouse button down
+  if bit 7:
+    di out: mouse x change (signed)
+    si out: mouse y change (signed)
+  else:
+    edi out: key packet
 
 create private socket:
   rax in: 6