mirror of https://github.com/zxdos/zxuno.git
149 lines
5.0 KiB
NASM
149 lines
5.0 KiB
NASM
; mc.asm - multicore load any .ZX1 core on slot 9.
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; File must exists in current directory. It must be run while using a "root" mode ROM.
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;
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; Copyright (C) 2022 Antonio Villena
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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 MC
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include zxuno.def
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include esxdos.def
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include rst28.mac
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define VERSION "0.1"
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org $2000 ; comienzo de la ejecución de los comandos ESXDOS
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Main ld a, h
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or l
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jr nz, NoPrint ; si no se ha especificado nombre de fichero, imprimir uso
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call Print;567890123456789012345678901
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dz '.mc corefile.zx1', 13, 13, 'Loads and executes a core'
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ret
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NoPrint ld de, FileName
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NextChar ld a, (hl)
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or a
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jr z, EndParse
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cp ' '
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jr c, EndParse
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ldi
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jr NextChar
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EndParse xor a
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ld (de), a
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ld bc, zxuno_port
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out (c), a
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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 wreg flash_cs, 0 ; activamos spi, enviando un 0
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wreg flash_spi, $9f ; jedec id
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in a, (c)
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in a, (c)
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in a, (c)
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in a, (c)
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wreg flash_cs, 1 ; desactivamos spi, enviando un 1
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sub $19
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jr z, Goodflsh
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call Print
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dz 'Incorrect flash IC'
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ret
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Goodflsh 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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ld bc, zxuno_port
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out (c), a
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ld bc, zxuno_port
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ld a, core_addr
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ld hl, $2f80
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ld de, core_boot
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out (c), a
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inc b
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out (c), h
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out (c), l
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out (c), d
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dec b
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out (c), e
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inc b
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out (c), a
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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 not found'
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ret
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FileFound call Print
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db 'Writing SPI flash', 13
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dz '[', 6, ' ]', 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8
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ld ixl, $15
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ld de, $2f80
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exx
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Bucle 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, 'Launching core'
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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
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