mirror of https://github.com/zxdos/zxuno.git
114 lines
3.6 KiB
NASM
114 lines
3.6 KiB
NASM
; upgrade.asm
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;
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; Copyright (C) 2019, 2021 Antonio Villena
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; Contributors:
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; 2021 Ivan Tatarinov <ivan-tat@ya.ru>
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;
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; This program is free software: you can redistribute it and/or modify
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; it under the terms of the GNU General Public License as published by
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; the Free Software Foundation, version 3.
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;
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; This program is distributed in the hope that it will be useful,
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; but WITHOUT ANY WARRANTY; without even the implied warranty of
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; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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; GNU General Public License for more details.
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;
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; You should have received a copy of the GNU General Public License
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; along with this program. If not, see <https://www.gnu.org/licenses/>.
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;
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; Compatible compilers:
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; SjAsmPlus, <https://github.com/z00m128/sjasmplus>
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; output UPGRADE
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include zxuno.def
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include esxdos.def
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define VERSION "0.1"
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define FLASH_FILE "FLASH.ZX1"
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org $2000 ; comienzo de la ejecución de los comandos ESXDOS
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Main ld bc, zxuno_port
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out (c), 0
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inc b
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in f, (c)
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jp p, Nonlock
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call Print
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dz 'ROM not rooted'
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ret
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Nonlock ld a, scandbl_ctrl
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dec b
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out (c), a
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inc b
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in a, (c)
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and $3f
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ld (normal+1), a
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or $c0
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out (c), a
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call init
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ld bc, zxuno_port
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ld a, scandbl_ctrl
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out (c), a
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inc b
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normal ld a, 0
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out (c), a
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ret
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init xor a
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esxdos M_GETSETDRV ; A = unidad actual
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jr nc, SDCard
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call Print
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dz 'SD card not inserted'
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ret
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SDCard ld b, FA_READ ; B = modo de apertura
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ld hl, FileName ; HL = Puntero al nombre del fichero (ASCIIZ)
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esxdos F_OPEN
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ld (handle+1), a
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jr nc, FileFound
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call Print
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dz 'File ', FLASH_FILE, ' not found'
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ret
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FileFound call Print
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db 'Upgrading ', FLASH_FILE, ' from SD', 13
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dz '[', 6, ' ]', 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8
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ld ixl, 0
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ld de, $0000
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exx
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Bucle ld a, ixl
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inc a
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and $0f
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jr nz, punto
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ld a, 'o'
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exx
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push de
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rst $10
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pop de
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exx
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punto ld hl, $8000
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ld bc, $4000
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handle ld a, 0
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esxdos F_READ
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jr nc, ReadOK
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call Print
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dz 'Read Error'
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ret
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ReadOK ld a, $40
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ld hl, $8000
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exx
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call wrflsh
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inc de
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exx
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dec ixl
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jr nz, Bucle
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ld a, (handle+1)
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esxdos F_CLOSE
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call Print
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dz 13, 'Upgrade complete'
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ret
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include Print.inc
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include wrflsh.inc
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include rst28.inc
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FileName dz FLASH_FILE
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