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-rw-r--r--printb.asm36
1 files changed, 36 insertions, 0 deletions
diff --git a/printb.asm b/printb.asm
new file mode 100644
index 0000000..a8fa788
--- /dev/null
+++ b/printb.asm
@@ -0,0 +1,36 @@
+org 0x0500
+
+
+SECTION .data
+boot: db 'Welcome to the second stage!', 0x0A, 0x0D, 0x00
+foo: db 'What a nice message this is!', 0x0A, 0x0D, 0x00
+
+SECTION .text
+
+
+jmp start
+
+print:
+ push ax
+ cld
+ mov ah, 0x0E
+
+ .loop:
+ lodsb
+ cmp al, 0x00
+ je .out
+ int 0x10
+ jmp .loop
+ .out:
+ pop ax
+ ret
+
+start:
+ mov si, boot
+ call print
+
+ mov si, foo
+ call print
+
+; maybe to something here...
+; e.g.: how to keep CPU from spinning at 100%