4e108bf052
value. Ignore failure to update mbr sector. Disable interrupts while using extended registers. Default to F1 not F2.
78 lines
2.5 KiB
Plaintext
78 lines
2.5 KiB
Plaintext
#
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# Copyright (c) 1998 Robert Nordier
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# All rights reserved.
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#
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# Redistribution and use in source and binary forms are freely
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# permitted provided that the above copyright notice and this
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# paragraph and the following disclaimer are duplicated in all
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# such forms.
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#
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# This software is provided "AS IS" and without any express or
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# implied warranties, including, without limitation, the implied
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# warranties of merchantability and fitness for a particular
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# purpose.
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#
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# $Id: boot0.m4,v 1.1.1.1 1998/10/05 10:08:37 rnordier Exp $
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define(_al,0x0)dnl
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define(_cl,0x1)dnl
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define(_dl,0x2)dnl
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define(_bl,0x3)dnl
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define(_ah,0x4)dnl
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define(_ch,0x5)dnl
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define(_dh,0x6)dnl
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define(_bh,0x7)dnl
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define(_ax,0x0)dnl
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define(_cx,0x1)dnl
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define(_dx,0x2)dnl
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define(_bx,0x3)dnl
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define(_sp,0x4)dnl
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define(_bp,0x5)dnl
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define(_si,0x6)dnl
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define(_di,0x7)dnl
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define(_es,0x0)dnl
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define(_cs,0x1)dnl
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define(_ss,0x2)dnl
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define(_ds,0x3)dnl
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define(_fs,0x4)dnl
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define(_gs,0x5)dnl
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define(_bx_si,0x0)dnl
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define(_bx_di,0x1)dnl
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define(_bp_si,0x2)dnl
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define(_bp_di,0x3)dnl
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define(_si_,0x4)dnl
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define(_di_,0x5)dnl
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define(_bp_,0x6)dnl
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define(_bx_,0x7)dnl
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define(o16,`.byte 0x66')dnl
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define(addwia,`.byte 0x5; .word $1')dnl
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define(btwrm,`.byte 0xf; .byte 0xa3; .byte 0x6 | ($1 << 0x3); .word $2')dnl
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define(btswrm,`.byte 0xf; .byte 0xab; .byte 0x6 | ($1 << 0x3); .word $2')dnl
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define(cmpwmr,`.byte 0x3b; .byte ($2 << 0x3) | 0x6; .word $1')dnl
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define(cmpwi2,`.byte 0x81; .byte 0xb8 | $3; .word $2; .word $1')dnl
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define(cmpwir,`.byte 0x81; .byte 0xf8 | $2; .word $1')dnl
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define(movbr0,`.byte 0x88; .byte ($1 << 0x3) | $2')dnl
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define(movbrm,`.byte 0x88; .byte 0x6 | ($1 << 0x3); .word $2')dnl
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define(movbr1,`.byte 0x88; .byte 0x40 | ($1 << 0x3) | $3; .byte $2')dnl
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define(movwr1,`.byte 0x89; .byte 0x40 | ($1 << 0x3) | $3; .byte $2')dnl
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define(movb0r,`.byte 0x8a; .byte ($2 << 0x3) | $1')dnl
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define(movbmr,`.byte 0x8a; .byte 0x6 | ($2 << 0x3); .word $1')dnl
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define(movb1r,`.byte 0x8a; .byte 0x40 | ($3 << 0x3) | $2; .byte $1')dnl
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define(movw1r,`.byte 0x8b; .byte 0x40 | ($3 << 0x3) | $2; .byte $1')dnl
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define(movws1,`.byte 0x8c; .byte 0x40 | ($1 << 0x3) | $3; .byte $2')dnl
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define(leaw1r,`.byte 0x8d; .byte 0x40 | ($3 << 0x3) | $2; .byte $1')dnl
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define(movbma,`.byte 0xa0; .word $1')dnl
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define(movbam,`.byte 0xa2; .word $1')dnl
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define(movwir,`.byte 0xb8 | $2; .word $1')dnl
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define(movbi0,`.byte 0xc6; .byte $2; .byte $1')dnl
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define(callwi,`.byte 0xe8; .word $1 - . - 0x2')dnl
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define(jmpnwi,`.byte 0xe9; .word $1 - . - 0x2')dnl
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define(tstbim,`.byte 0xf6; .byte 0x6; .word $2; .byte $1')dnl
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define(incb1,`.byte 0xfe; .byte 0x40 | $2; .byte $1')dnl
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