From db2e43856b5dc9473a6311e3cc60f2645172ac3f Mon Sep 17 00:00:00 2001
From: DrNuget <drnuget@outlook.com>
Date: Sat, 1 Nov 2025 18:39:47 +0200
Subject: fix the math formula for bit shifting

---
 brailleboi.c | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/brailleboi.c b/brailleboi.c
index d8ff8e9..e47ca8b 100644
--- a/brailleboi.c
+++ b/brailleboi.c
@@ -40,7 +40,8 @@ int braillePlot(int x, int y, image_buffer* buf)
 	//TODO: fix boundary check
 //	if (x>buf->width | y>buf->height)
 //		return 1;
-	buf->contents[y/4 * buf->width + x/2] |= 128>>y%4+x%2*4;
+	buf->contents[y/4 * buf->width + x/2] |= 128>>(y-1)%4+(x%2)*4;
+//	buf->contents[y/4 * buf->width + x/2] |= 128>>;
 	//printf("%#08x\n", buf->contents[y/4 * buf->width + x/2]);
 	return 0;
 }
@@ -50,7 +51,7 @@ void brailleUpdateScreen(image_buffer* buf)
 	for (int x=0;x<buf->width;x++) {
 		for (int y=0;y<buf->height;y++) {
 			wprintf(L"\e[%d;%dH", y, x);
-			braillePrint(buf->contents[y * buf->width + x]);
+			braillePrint(brailleReorganizeBits(buf->contents[y * buf->width + x]));
 		}
 	}
 }
-- 
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