Throw out previous x86 stuff

bios/8086.asm

@@ -1,218 +0,0 @@
-ORG BIOS
-CPU 8086
-
-DISKCX: EQU 0x8
-DISKDX: EQU 0xA
-DISKBX: EQU 0xC
-
-JMP NEAR BOOT
-JMP NEAR WBOOT
-JMP NEAR CONST
-JMP NEAR CONIN
-JMP NEAR CONOUT
-JMP NEAR LIST
-JMP NEAR PUNCH
-JMP NEAR READER
-JMP NEAR HOME
-JMP NEAR SELDSK
-JMP NEAR SETTRK
-JMP NEAR SETSEC
-JMP NEAR SETDMA
-JMP NEAR READ
-JMP NEAR WRITE
-JMP NEAR LISTST
-
-BOOT:
-  MOV AL, 0x86
-  CALL MSG
-  DB "BIOS", 0
-
-WBOOT:
-  XOR CX, CX
-  JMP BDOS
-  RET
-
-; CHAR I/O
-CONST:
-  MOV AH, 1
-  INT 0x16
-  JZ .END
-  MOV AL, 0xFF
-  RET
-.END:
-  XOR AL, AL
-  RET
-
-CONIN:
-  XOR AX, AX
-  INT 0x16
-  TEST AL, AL
-  JZ CONIN
-  RET
-
-MSG:
-  POP SI
-.LOOP:
-  MOV DL, BYTE [SI]
-  INC SI
-  TEST DL, DL
-  JZ .END
-  CALL CONOUT
-  JMP .LOOP
-.END:
-  MOV DL, 0x20
-  CALL CONOUT
-  CALL PRINTAL
-  MOV DL, 0x0A
-  CALL CONOUT
-  MOV DL, 0x0D
-  CALL CONOUT
-  PUSH SI
-  RET
-
-PRINTAL:
-  PUSH AX
-  PUSH DX
-  AAM 16
-  MOV DL, AH
-  CALL PRINTNIB
-  MOV DL, AL
-  CALL PRINTNIB
-  POP DX
-  POP AX
-  RET
-
-PRINTNIB:
-  ADD DL, 0x30
-  CMP DL, 0x3a
-  JL CONOUT
-  ADD DL, 0x07
-
-CONOUT:
-  PUSH AX
-  PUSH BX
-  MOV AH, 0x0E
-  MOV AL, DL
-  XOR BX, BX
-  INT 0x10
-  POP BX
-  POP AX
-  RET
-
-LIST:
-  PUSH DX
-  XOR AH, AH
-  MOV AL, DL
-  INT 0x17
-  POP DX
-  RET
-
-LISTST:
-  STC
-  RET
-
-PUNCH:
-  STC
-  RET
-
-READER:
-  STC
-  RET
-
-; DISK I/O
-HOME:
-  MOV WORD [DISKCX], 0x0001
-  MOV BYTE [DISKDX+1], 0x00
-  RET
-
-SELDSK:
-  MOV BYTE [DISKDX], CL
-  XOR BX, BX
-  RET
-
-SETTRK:
-  PUSH CX
-  PUSH DX
-
-  MOV DX, CX
-  ; CH for headnum, CL for SAL
-  MOV CX, 0x0006
-
-  ; Take off LSB as head number
-  XOR CH, CH
-  RCR DX, 1
-  RCL CH, 1
-  MOV BYTE [DISKDX+1], CH
-
-  ; DX is sector number now
-  ; Shift into format for int13
-  ; DX ------9876543210
-  SAL DX, CL
-  ; DX 9876543210------
-  ROL DX, 1
-  ROL DX, 1
-  ; DX 76543210------98
-  SAL DL, CL
-  ; DX 7654321098------
-  AND WORD [DISKCX], 0x003F
-  OR WORD [DISKCX], DX
-
-  POP DX
-  POP CX
-  RET
-
-SETSEC:
-  AND WORD [DISKCX], 0xFFC0
-  OR BYTE [DISKCX], CL
-  RET
-
-SETDMA:
-  MOV WORD [DISKBX], CX
-  RET
-
-READ:
-  PUSH CX
-  PUSH DX
-  PUSH BX
-
-  MOV AX, 0x0201
-  MOV CX, [DISKCX]
-  MOV DX, [DISKDX]
-  MOV BX, [DISKBX]
-  INT 0x13
-  XCHG AH, AL
-
-  POP BX
-  POP DX
-  POP CX
-
-  JC DISKERR
-  RET
-
-WRITE:
-  PUSH CX
-  PUSH DX
-  PUSH BX
-
-  MOV AX, 0x0301
-  MOV CX, [DISKCX]
-  MOV DX, [DISKDX]
-  MOV BX, [DISKBX]
-  INT 0x13
-  XCHG AH, AL
-
-  POP BX
-  POP DX
-  POP CX
-
-  JC DISKERR
-  RET
-
-DISKERR:
-  PUSHF
-  PUSH SI
-  CALL MSG
-  DB "DISKERR", 0
-  POP SI
-  POPF
-  RET