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add more comments in toy.S

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yuchen 2015-03-13 22:08:13 +08:00
parent de888683e8
commit e2a6da26b1
1 changed files with 2 additions and 2 deletions
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related_info/lab1/toybootloader/toy.S
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@ -26,5 +26,5 @@ dispstr:
int $0x10 /* 调用BIOS提供的int服务0x10的0x13功能：显示字符串 */ int $0x10 /* 调用BIOS提供的int服务0x10的0x13功能：显示字符串 */
ret ret
.org 0x1fe, 0x90 .org 0x1fe, 0x90 /* 0x1fe=510，表示从ret后的位置开始，直到510处结束的代码/数据空间，填写0x90 */
.word 0xaa55 .word 0xaa55 /* 合法的主引导扇区标识 */