From 2c79240cc66dd2a116056662def9bdc165b2b3e7 Mon Sep 17 00:00:00 2001
From: Andreas Baumann <mail@andreasbaumann.cc>
Date: Sun, 14 May 2017 11:06:13 +0200
Subject: playing with addresses and seing the CRT index port number now in
 port8_read

---
 README | 9 ++++++++-
 1 file changed, 8 insertions(+), 1 deletion(-)

(limited to 'README')

diff --git a/README b/README
index 0d29dbd..c92d044 100644
--- a/README
+++ b/README
@@ -14,7 +14,7 @@ ndisasm -b16 -o7c00h -a image.bin | less
 objdump -M intel -d kernel.o | less
 
 gcc -m32 -ffreestanding -c -o kernel.o kernel.c
-ld -o kernel.bin -Ttext 0x8000 kernel.o -m elf_i386 --oformat binary
+ld -o kernel.bin -Ttext 0x8400 kernel.o -m elf_i386 --oformat binary
 objdump -M intel -d kernel.bin | less
 
 # oformat: objdump -i lists tons of formats
@@ -37,6 +37,13 @@ Booting from 0000:7c00
 Next at t=14040244
 (0) [0x000000007c00] 0000:7c00 (unk. ctxt): mov ax, 0x0000            ; b80000
 
+C entry:
+break 0x8400
+
+disassemble kernel in 32-bit mode
+ndisasm -b32 -o8400h -a kernel.bin | less
+
+
 links
 -----
 
-- 
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