forked from crazyettin/EttinOS
Change all numbers to hex and add trailing space removing to read.
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parent
df836219eb
commit
46691e9975
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@ -8,16 +8,16 @@ mov ax, 0x1000
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mov es, ax
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mov bx, 0
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mov al, 32
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mov al, 0x20
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mov dh, 0
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mov ch, 0
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mov cl, 2
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mov cl, 0x2
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mov ah, 2
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mov ah, 0x2
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int 0x13
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jmp 0x1000:0
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times 510-($-$$) db 0
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times 0x1fe-($-$$) db 0
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db 0x55
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db 0xaa
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32
src/os.asm
32
src/os.asm
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@ -7,6 +7,10 @@ call print
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loop:
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mov si, prompt
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call print
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mov cx, 0x4d
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mov di, input
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mov al, 0
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rep stosb
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mov di, input
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call read
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cmp byte [input], 0
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@ -15,10 +19,6 @@ mov si, input
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call print
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mov si, newline
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call print
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mov cx, 0x4e
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mov di, input
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mov al, 0
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rep stosb
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jmp loop
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print:
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@ -38,7 +38,7 @@ mov ah, 0
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int 0x16
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cmp al, 0xd
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je .return
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cmp al, 8
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cmp al, 0x8
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je .backspace
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cmp cl, 0x4d
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je .loop
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@ -76,6 +76,20 @@ dec di
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dec cl
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jmp .loop
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.return:
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mov di, input.end
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.tspfind:
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dec di
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cmp byte [di], 0
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je .tspfind
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cmp byte [di], 0x20
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je .tsperase
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jmp .done
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.tsperase:
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mov al, 0
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stosb
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dec di
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jmp .tspfind
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.done:
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mov si, newline
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call print
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ret
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@ -83,11 +97,13 @@ ret
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welcome:
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db 0xd, 0xa, "Welcome to EttinOS!", 0xd, 0xa, 0xd, 0xa, 0
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input:
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times 78 db 0
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prompt:
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db "> ", 0
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newline:
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db 0xd, 0xa, 0
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input:
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times 0x4d db 0
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.end:
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db 0
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