Remove rom and pxe boot related stuff

I dont intend to ever implement that

boot/dumpbda.asm

@@ -1,71 +0,0 @@
-	org 0x7C00
-
-	xor ax, ax
-	mov ds, ax
-	mov es, ax
-	mov ss, ax
-	mov sp, 0x7C00
-
-	mov si, 0x400
-
-loop:	mov dx, si
-	call dmpdx
-	mov al, 0x20
-	int 0x10
-	int 0x10
-
-	push si
-	mov cx, 8
-wloop:	lodsw
-	xchg al, ah
-	mov dx, ax
-	push cx
-	call dmpdx
-	mov al, 0x20
-	int 0x10
-	pop cx
-	loop wloop
-	pop si
-	mov al, 0x20
-	int 0x10
-
-	mov cx, 16
-aloop:	lodsb
-	cmp al, 0x20
-	jnc noadj
-	mov al, '.'
-noadj:	int 0x10
-	loop aloop
-	mov al, 0x0A
-	int 0x10
-	mov al, 0x0D
-	int 0x10
-
-	cmp si, 0x500
-	jc loop
-
-hlt:	hlt
-	jmp hlt
-
-dmpdx:	; setup bx and ah for int 10h call
-	xor bx, bx
-	mov ah, 0x0e
-	mov cl, 4
-	; this double-call is essentially a 4 times repeating loop
-	call dmpdx1
-dmpdx1:	call dmpdx2
-dmpdx2:	; grab highest nibble from dx
-	mov al, dh
-	; remove highest nibble from dx
-	shl dx, cl
-	; shift away second-highest nibble that we accidentally copied
-	shr al, cl
-	; map 0-9 to ascii codes for '0' to '9'
-	add al, 0x30
-	; if result is larger than '9', ...
-	cmp al, 0x3a
-	jl dmpdx3
-	; ... add 7 so we continue at 'A'
-	add al, 7
-dmpdx3:	int 0x10
-	ret

boot/pxeboot.asm

@@ -1,113 +0,0 @@
-org 0x7C00
-
-main:
-	mov ax, [es:bx+0x0A]
-	mov [cs:pxejmp], ax
-	mov ax, [es:bx+0x0A+2]
-	mov [cs:pxejmp+2], ax
-
-        mov ax, cs
-        mov ds, ax
-        mov si, pxejmp
-        call dump
-
-	mov ax, cs
-	mov ds, ax
-	mov di, pxestat
-	mov bx, 0x0071
-
-	call UsePXEAPI
-
-	mov ax, cs
-	mov ds, ax
-	mov si, pxestat
-	call dump
-	call dump
-
-hlt:	hlt
-	jmp hlt
-
-UsePXEAPI:
-	push ds
-	push di
-	push bx
-	int 3
-	call far [pxejmp]
-	int 3
-	add sp, 6
-	ret
-
-pxejmp: dd 0
-
-pxestat:
-    .Status       dw 0
-    .PacketType   dw 2
-    .BufferSize   dw 0
-       .BufferOff dw 0
-       .BufferSeg dw 0
-    .BufferLimit  dw 0
-
-;tftp_open:
-;    .Status       dw 0
-;    .SIP          dd 0
-;    .GIP          dd 0
-;    .Filename     db "pxe.bs"
-;		  times (128-6) db 0
-;    .Port         dw 0
-;    .PacketSize   dw 0
-
-space:
-	mov al, 0x20
-	jmp putc
-putbc:
-	cmp al, 0x80
-	jnc dot
-	cmp al, 0x20
-	jnc putc
-dot:
-        mov al, '.'
-putc:
-	push ax
-	push bx
-	mov ah, 0x0e
-	xor bx, bx
-	int 0x10
-	pop bx
-	pop ax
-	ret
-
-dump:	push cx
-	mov ax, ds
-	call print16
-	mov al, ':'
-	call putc
-	mov ax, si
-	call print16
-	call space
-	call space
-
-	mov cx, 0x08
-	push si
-.hloop:	lodsb
-	call print8
-	lodsb
-	call print8
-	call space
-	loop .hloop
-	pop si
-	call space
-
-	mov cx, 0x10
-.aloop: lodsb
-	call putbc
-	loop .aloop
-
-	mov al, 0x0A
-	call putc
-	mov al, 0x0D
-	call putc
-	pop cx
-	ret
-
-%include "print.asm"
-%include "printf.asm"

boot/serial.asm

@@ -1,90 +0,0 @@
-org 0x7c00
-
-xor ax, ax
-mov ds, ax
-mov es, ax
-mov ss, ax
-mov sp, 0x7c00
-jmp 0:start
-
-getc:
-  mov ah, 0x02
-  mov dx, 0x0000
-  int 0x14
-  test ah, 0x80
-  jnz getc
-  ret
-
-putc:
-  mov ah, 0x01
-  mov dx, 0x0000
-  int 0x14
-  ret
-
-init_port:
-  mov ah, 0x00
-  mov al, 0b11100011
-  mov dx, 0x0000
-  int 0x14
-  ret
-
-dump:
-  mov si, 0x500
-  mov cx, di
-  sub cx, si
-.loop:
-  lodsb
-  call print8
-  loop .loop
-  mov al, 0x0A
-  call putc
-  mov al, 0x0D
-  call putc
-  ret
-
-line_reset:
-  cmp di, 0x500
-  je .reset
-  call line_process
-.reset:
-  mov di, 0x500
-  xor bp, bp
-  jmp mainloop
-
-line_process:
-  call dump
-  ret
-
-start:
-  call init_port
-  mov di, 0x500
-  jmp line_reset
-
-mainloop:
-  call getc
-  cmp al, ':'
-  je line_reset
-  cmp al, 0x20
-  jb line_reset
-  sub al, 0x30
-  cmp al, 9
-  jbe .noadjust
-  sub al, 7
-.noadjust:
-  test bp, bp
-  jnz .secondnib
-  mov cl, 4
-  shl al, cl
-  mov [di], al
-  not bp
-  jmp mainloop
-.secondnib:
-  or [di], al
-  inc di
-  not bp
-  jmp mainloop
-
-%include "print.asm"
-
-times 510-($-$$) db 0x00
-db 0x55,0xaa

boot/vga11.asm

@@ -1,99 +0,0 @@
-org 0x7C00
-
-cols: equ 80
-rows: equ 30
-
-main:
-  mov ax, cs
-  mov ds, ax
-  mov es, ax
-  mov ss, ax
-  xor sp, sp
-
-  mov ah, 0x42
-  mov si, dap
-  int 0x13
-
-  mov ax, 0x0011
-  int 0x10
-
-  mov di, txtbuf
-.loop:
-  call sync
-  xor ax, ax
-  int 0x16
-  stosb
-  jmp .loop
-
-hlt:
-  hlt
-  jmp hlt
-
-sync:
-  push ax
-  push si
-  push di
-  push es
-  mov si, txtbuf
-  mov ax, 0xA000
-  mov es, ax
-  mov di, 0
-
-  mov bx, font
-  mov cx, rows
-.loop:
-  call charline
-  loop .loop
-
-  pop es
-  pop di
-  pop si
-  pop ax
-  ret
-
-charline:
-  push bx
-  push cx
-  mov cx, 8
-.loop:
-  call scanline
-  call scanline
-  inc bh
-  loop .loop
-  add si, cols
-  pop cx
-  pop bx
-  ret
-
-scanline:
-  push si
-  push cx
-  mov cx, cols
-.loop:
-  lodsb
-  mov bl, al
-  mov al, [bx]
-  stosb
-  loop .loop
-  pop cx
-  pop si
-  ret
-
-dap:
-  db 0x10
-  db 1
-  dw 20
-  dw font, 0
-  dq 1
-
-times (510 - ($-$$)) nop
-
-dw 0xAA55
-
-font:
-  incbin "cp437.bin"
-
-txtbuf:
-  times (rows * cols) db 0
-
-end: