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-rw-r--r--kernel/writer.sats5
1 files changed, 2 insertions, 3 deletions
diff --git a/kernel/writer.sats b/kernel/writer.sats
index c9b8814..43881b1 100644
--- a/kernel/writer.sats
+++ b/kernel/writer.sats
@@ -1,4 +1,4 @@
-#define N 80 * 25
+#define N 2000
datatype color =
| Black
@@ -21,7 +21,6 @@ datatype color =
typedef screenChar = @{ ascii_character = char, color_code = uint8}
-vtypedef tptr (a: t@ype, l:addr) = (a @ l | ptr l)
-vtypedef writer = [l: addr] [n:nat | n < N] @{ column_position = size_t n, color_code = uint8 , buffer = tptr(@[screenChar][N],l)}
+vtypedef writer = [l : agz] @{position = [a:int | a >= 0 && a < N] int (a), color_code = uint8 , buffer = (@[screenChar][N] @ l | ptr l)}
fun print_char(c : char) : void