114 lines
1.3 KiB
NASM
114 lines
1.3 KiB
NASM
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org BASE
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main:
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mov ax, [es:bx+0x0A]
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mov [cs:pxejmp], ax
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mov ax, [es:bx+0x0A+2]
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mov [cs:pxejmp+2], ax
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mov ax, cs
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mov ds, ax
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mov si, pxejmp
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call dump
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mov ax, cs
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mov ds, ax
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mov di, pxestat
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mov bx, 0x0071
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call UsePXEAPI
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mov ax, cs
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mov ds, ax
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mov si, pxestat
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call dump
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call dump
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hlt: hlt
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jmp hlt
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UsePXEAPI:
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push ds
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push di
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push bx
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int 3
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call far [pxejmp]
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int 3
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add sp, 6
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ret
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pxejmp: dd 0
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pxestat:
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.Status dw 0
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.PacketType dw 2
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.BufferSize dw 0
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.BufferOff dw 0
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.BufferSeg dw 0
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.BufferLimit dw 0
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;tftp_open:
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; .Status dw 0
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; .SIP dd 0
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; .GIP dd 0
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; .Filename db "pxe.bs"
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; times (128-6) db 0
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; .Port dw 0
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; .PacketSize dw 0
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space:
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mov al, 0x20
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jmp putc
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putbc:
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cmp al, 0x80
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jnc dot
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cmp al, 0x20
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jnc putc
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dot:
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mov al, '.'
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putc:
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push ax
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push bx
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mov ah, 0x0e
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xor bx, bx
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int 0x10
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pop bx
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pop ax
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ret
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dump: push cx
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mov ax, ds
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call print16
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mov al, ':'
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call putc
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mov ax, si
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call print16
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call space
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call space
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mov cx, 0x08
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push si
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.hloop: lodsb
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call print8
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lodsb
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call print8
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call space
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loop .hloop
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pop si
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call space
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mov cx, 0x10
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.aloop: lodsb
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call putbc
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loop .aloop
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mov al, 0x0A
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call putc
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mov al, 0x0D
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call putc
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pop cx
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ret
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%include "print.asm"
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%include "printf.asm"
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