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42 lines
661 B
ArmAsm
42 lines
661 B
ArmAsm
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.globl _start
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_start:
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# mov $0x4f02,%ax # set super VGA mode
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# mov $0x107,%bx # 1280x1024, 256 colors
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# int $0x10 # set the mode
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mov $0x04f,%ax
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l108: shl %ax
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push %cx
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sub %dx,%cx
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sar %cx
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pop %di
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add %di,%dx
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sar %dx
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rcr %ebp
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jb l11f
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inc %ax
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add $0x3,%ch
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neg %dx
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l11f: aam $0x29
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and $0xfc,%al
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xor $0x12,%al
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test $0x80,%dh
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jne l108
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test $0xf0,%ch
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jne l108
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put_pixel:
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push %ax
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and $0xf,%al # al = color
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mov $0xc,%ah # ah = 0xc = putpixel
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# int $0x10 # bh=page number, cx=x,dx=y
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pop %ax
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check_keyboard:
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mov $0x1,%ah
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# int $0x16
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# je 0x108
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# ret
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jmp l108
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