Actualizo utilidades zxdos

This commit is contained in:
antoniovillena 2019-02-18 15:58:23 +01:00
parent 33e15309b8
commit 7251674202
8 changed files with 825 additions and 387 deletions

BIN
utils/BACK32M Normal file

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utils/ROMSUPGR Normal file

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utils/UPGR32M Normal file

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utils/back32m.asm Normal file
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@ -0,0 +1,170 @@
output BACK32M
include zxuno.inc
org $2000 ; comienzo de la ejecución de los comandos ESXDOS
call wrear0
dec b
out (c), 0
inc b
in f, (c)
jp p, Nonlock
call Print
dz 'ROM not rooted'
ret
Nonlock wreg flash_cs, 0 ; activamos spi, enviando un 0
wreg flash_spi, $9f ; jedec id
in a, (c)
in a, (c)
in a, (c)
in a, (c)
wreg flash_cs, 1 ; desactivamos spi, enviando un 1
sub $19
jr z, Goodflsh
call Print
dz 'Incorrect flash IC'
ret
Goodflsh ld a, scandbl_ctrl
dec b
out (c), a
inc b
in a, (c)
and $3f
ld (normal+1), a
or $c0
out (c), a
call init
ld bc, zxuno_port
ld a, scandbl_ctrl
out (c), a
inc b
normal ld a, 0
out (c), a
ret
init xor a
esxdos M_GETSETDRV ; A = unidad actual
jr nc, SDCard
call Print
dz 'SD card not inserted'
ret
SDCard ld b, FA_WRITE | FA_OPEN_AL ; B = modo de apertura
ld hl, FileName ; HL = Puntero al nombre del fichero (ASCIIZ)
esxdos F_OPEN
ld (handle+1), a
jr nc, FileFound
call Print
dz 'Can\'t open FLASH.ZX2'
ret
FileFound call Print
dz 'Backing up FLASH.ZX2 to SD', 13
call write16m
wreg flash_cs, 0 ; activamos spi, enviando un 0
wreg flash_spi, 6 ; envío write enable
wreg flash_cs, 1 ; desactivamos spi, enviando un 1
wreg flash_cs, 0 ; activamos spi, enviando un 0
wreg flash_spi, $c5 ; envío wrear
ld l, 1
out (c), l
wreg flash_cs, 1 ; desactivamos spi, enviando un 1
call write16m
esxdos F_CLOSE
call Print
dz 13, 'Backup complete'
wrear0 wreg flash_cs, 0 ; activamos spi, enviando un 0
wreg flash_spi, 6 ; envío write enable
wreg flash_cs, 1 ; desactivamos spi, enviando un 1
wreg flash_cs, 0 ; activamos spi, enviando un 0
wreg flash_spi, $c5 ; envío wrear
out (c), 0
wreg flash_cs, 1 ; desactivamos spi, enviando un 1
ret
write16m ld hl, $0000
Bucle push hl
ld de, $8000
ld a, $40
call rdflsh
add hl, hl
add hl, hl
ld a, h
and $3f
jr nz, punto
ld a, 'o'
rst $10
punto ld hl, $8000
ld bc, $4000
handle ld a, 0
esxdos F_WRITE
pop hl
jr nc, WriteOK
call Print
dz 'Write Error'
ret
WriteOK ld de, $0040
adc hl, de
jr nc, Bucle
ret
Print pop hl
db $3e
Print1 rst $10
ld a, (hl)
inc hl
or a
jr nz, Print1
jp (hl)
; ------------------------
; Read from SPI flash
; Parameters:
; DE: destination address
; HL: source address without last byte
; A: number of pages (256 bytes) to read
; ------------------------
rdflsh ex af, af'
xor a
push hl
wreg flash_cs, 0 ; activamos spi, enviando un 0
wreg flash_spi, 3 ; envio flash_spi un 3, orden de lectura
pop hl
push hl
out (c), h
out (c), l
out (c), a
ex af, af'
ex de, hl
in f, (c)
rdfls1 ld e, $20
rdfls2 ini
inc b
ini
inc b
ini
inc b
ini
inc b
ini
inc b
ini
inc b
ini
inc b
ini
inc b
dec e
jr nz, rdfls2
dec a
jr nz, rdfls1
wreg flash_cs, 1
pop hl
ret
rst28 ld bc, zxuno_port + $100
pop hl
outi
ld b, (zxuno_port >> 8)+2
outi
jp (hl)
FileName dz 'FLASH.ZX2'

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@ -1,154 +1,185 @@
output ROMSBACK
include zxuno.inc
org $2000 ; comienzo de la ejecución de los comandos ESXDOS
Main ld bc, zxuno_port
out (c), 0
inc b
in f, (c)
jp p, Nonlock
call Print
dz 'ROM not rooted'
ret
Nonlock ld a, scandbl_ctrl
dec b
out (c), a
inc b
in a, (c)
and $3f
ld (normal+1), a
or $c0
out (c), a
call init
ld bc, zxuno_port
ld a, scandbl_ctrl
out (c), a
inc b
normal ld a, 0
out (c), a
ret
init xor a
esxdos M_GETSETDRV ; A = unidad actual
jr nc, SDCard
call Print
dz 'SD card not inserted'
ret
SDCard ld b, FA_WRITE | FA_OPEN_AL ; B = modo de apertura
ld hl, FileName ; HL = Puntero al nombre del fichero (ASCIIZ)
esxdos F_OPEN
ld (handle+1), a
jr nc, FileFound
call Print
dz 'Can\'t open ROMS.ZX1'
ret
FileFound call Print
db 'Backing up ROMS.ZX1 to SD', 13
dz '[', 6, ' ]', 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8
ld ixl, 64
ld de, $8000
ld hl, $0060
ld a, $11
call rdflsh
ld hl, $8000
ld bc, $1041
handle ld a, 0
esxdos F_WRITE
ld hl, $00c0
jr c, tError
Bucle ld a, ixl
dec a
and $03
jr nz, punto
ld a, 'o'
rst $10
punto ld a, ixl
cp 45
jr nz, o45roms
ld hl, $34c0
o45roms ld de, $8000
ld a, $40
call rdflsh
ld de, $0040
add hl, de
push hl
ld hl, $8000
ld bc, $4000
ld a, (handle+1)
esxdos F_WRITE
pop hl
jr nc, ReadOK
tError call Print
dz 'Write Error'
ret
ReadOK dec ixl
jr nz, Bucle
ld a, (handle+1)
esxdos F_CLOSE
call Print
dz 13, 'Backup complete', 13
ret
Print pop hl
db $3e
Print1 rst $10
ld a, (hl)
inc hl
or a
jr nz, Print1
jp (hl)
; ------------------------
; Read from SPI flash
; Parameters:
; DE: destination address
; HL: source address without last byte
; A: number of pages (256 bytes) to read
; ------------------------
rdflsh ex af, af'
xor a
push hl
wreg flash_cs, 0 ; activamos spi, enviando un 0
wreg flash_spi, 3 ; envio flash_spi un 3, orden de lectura
pop hl
push hl
out (c), h
out (c), l
out (c), a
ex af, af'
ex de, hl
in f, (c)
rdfls1 ld e, $20
rdfls2 ini
inc b
ini
inc b
ini
inc b
ini
inc b
ini
inc b
ini
inc b
ini
inc b
ini
inc b
dec e
jr nz, rdfls2
dec a
jr nz, rdfls1
wreg flash_cs, 1
pop hl
ret
rst28 ld bc, zxuno_port + $100
pop hl
outi
ld b, (zxuno_port >> 8)+2
outi
jp (hl)
FileName dz 'ROMS.ZX1'
output ROMSBACK
include zxuno.inc
org $2000 ; comienzo de la ejecución de los comandos ESXDOS
call wrear0
dec b
out (c), 0
inc b
in f, (c)
jp p, Nonlock
call Print
dz 'ROM not rooted'
ret
Nonlock ld a, scandbl_ctrl
dec b
out (c), a
inc b
in a, (c)
and $3f
ld (normal+1), a
or $c0
out (c), a
call init
ld bc, zxuno_port
ld a, scandbl_ctrl
out (c), a
inc b
normal ld a, 0
out (c), a
ret
init xor a
esxdos M_GETSETDRV ; A = unidad actual
jr nc, SDCard
call Print
dz 'SD card not inserted'
ret
SDCard ld b, FA_WRITE | FA_OPEN_AL ; B = modo de apertura
ld hl, FileName ; HL = Puntero al nombre del fichero (ASCIIZ)
esxdos F_OPEN
ld (handle+1), a
jr nc, FileFound
call Print
dz 'Can\'t open ROMS.ZX1'
ret
FileFound call Print
db 'Backing up ROMS.ZX1 to SD', 13
dz '[', 6, ' ]', 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8
wreg flash_cs, 0 ; activamos spi, enviando un 0
wreg flash_spi, $9f ; jedec id
in a, (c)
in a, (c)
in a, (c)
in a, (c)
wreg flash_cs, 1 ; desactivamos spi, enviando un 1
sub $19
jr nz, ZX1
ld ix, $1d40
ld iy, $0000
jr ZX2cont
ZX1 ld ix, $2d40
ld iy, $34c0
ZX2cont ld de, $8000
ld hl, $0060
ld a, $11
call rdflsh
ld hl, $8000
ld bc, $1041
handle ld a, 0
esxdos F_WRITE
ld hl, $00c0
jr c, tError
Bucle ld a, ixl
dec a
and $03
jr nz, punto
ld a, 'o'
rst $10
punto ld a, ixl
cp ixh
jr nz, o29roms
wreg flash_cs, 0 ; activamos spi, enviando un 0
wreg flash_spi, 6 ; envío write enable
wreg flash_cs, 1 ; desactivamos spi, enviando un 1
wreg flash_cs, 0 ; activamos spi, enviando un 0
wreg flash_spi, $c5 ; envío wrear
ld l, 1
out (c), l
wreg flash_cs, 1 ; desactivamos spi, enviando un 1
push iy
pop hl
o29roms ld de, $8000
ld a, $40
call rdflsh
ld de, $0040
add hl, de
push hl
ld hl, $8000
ld bc, $4000
ld a, (handle+1)
esxdos F_WRITE
pop hl
jr nc, ReadOK
tError call Print
dz 'Write Error'
ret
ReadOK dec ixl
jr nz, Bucle
ld a, (handle+1)
esxdos F_CLOSE
call Print
dz 13, 'Backup complete', 13
ld iy, $5c3a
wrear0 wreg flash_cs, 0 ; activamos spi, enviando un 0
wreg flash_spi, 6 ; envío write enable
wreg flash_cs, 1 ; desactivamos spi, enviando un 1
wreg flash_cs, 0 ; activamos spi, enviando un 0
wreg flash_spi, $c5 ; envío wrear
out (c), 0
wreg flash_cs, 1 ; desactivamos spi, enviando un 1
ret
Print pop hl
db $3e
Print1 rst $10
ld a, (hl)
inc hl
or a
jr nz, Print1
jp (hl)
; ------------------------
; Read from SPI flash
; Parameters:
; DE: destination address
; HL: source address without last byte
; A: number of pages (256 bytes) to read
; ------------------------
rdflsh ex af, af'
xor a
push hl
wreg flash_cs, 0 ; activamos spi, enviando un 0
wreg flash_spi, 3 ; envio flash_spi un 3, orden de lectura
pop hl
push hl
out (c), h
out (c), l
out (c), a
ex af, af'
ex de, hl
in f, (c)
rdfls1 ld e, $20
rdfls2 ini
inc b
ini
inc b
ini
inc b
ini
inc b
ini
inc b
ini
inc b
ini
inc b
ini
inc b
dec e
jr nz, rdfls2
dec a
jr nz, rdfls1
wreg flash_cs, 1
pop hl
ret
rst28 ld bc, zxuno_port + $100
pop hl
outi
ld b, (zxuno_port >> 8)+2
outi
jp (hl)
FileName dz 'ROMS.ZX1'

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@ -1,233 +1,267 @@
output ROMSUPGR
include zxuno.inc
org $2000 ; comienzo de la ejecución de los comandos ESXDOS
Main ld bc, zxuno_port
out (c), 0
inc b
in f, (c)
jp p, Nonlock
call Print
dz 'ROM not rooted'
ret
Nonlock ld a, scandbl_ctrl
dec b
out (c), a
inc b
in a, (c)
and $3f
ld (normal+1), a
or $c0
out (c), a
call init
ld bc, zxuno_port
ld a, scandbl_ctrl
out (c), a
inc b
normal ld a, 0
out (c), a
ret
init xor a
esxdos M_GETSETDRV ; A = unidad actual
jr nc, SDCard
call Print
dz 'SD card not inserted'
ret
SDCard ld b, FA_READ ; B = modo de apertura
ld hl, FileName ; HL = Puntero al nombre del fichero (ASCIIZ)
esxdos F_OPEN
ld (handle+1), a
jr nc, FileFound
call Print
dz 'File ROMS.ZX1 not found'
ret
FileFound call Print
db 'Upgrading ROMS.ZX1 from SD', 13
dz '[', 6, ' ]', 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8
ld ixl, 64
ld de, $8000
ld hl, $0060
ld a, $20
call rdflsh
ld de, $0060
exx
ld hl, $8000
ld bc, $1041
handle ld a, 0
esxdos F_READ
jr c, tError
ld a, $20
ld hl, $8000
exx
call wrflsh
ld e, $c0
exx
Bucle ld a, ixl
dec a
and $03
jr nz, punto
ld a, 'o'
exx
push de
rst $10
pop de
exx
punto ld hl, $8000
ld bc, $4000
ld a, (handle+1)
esxdos F_READ
jr nc, ReadOK
tError call Print
dz 'Read Error'
ret
ReadOK ld a, $40
ld hl, $8000
exx
call wrflsh
inc de
ld a, ixl
cp 46
jr nz, o45roms
ld de, $34c0
o45roms exx
dec ixl
jr nz, Bucle
ld a, (handle+1)
esxdos F_CLOSE
call Print
dz 13, 'Upgrade complete', 13
ret
Print pop hl
db $3e
Print1 rst $10
ld a, (hl)
inc hl
or a
jr nz, Print1
jp (hl)
; ------------------------
; Read from SPI flash
; Parameters:
; DE: destination address
; HL: source address without last byte
; A: number of pages (256 bytes) to read
; ------------------------
rdflsh ex af, af'
xor a
push hl
wreg flash_cs, 0 ; activamos spi, enviando un 0
wreg flash_spi, 3 ; envio flash_spi un 3, orden de lectura
pop hl
push hl
out (c), h
out (c), l
out (c), a
ex af, af'
ex de, hl
in f, (c)
rdfls1 ld e, $20
rdfls2 ini
inc b
ini
inc b
ini
inc b
ini
inc b
ini
inc b
ini
inc b
ini
inc b
ini
inc b
dec e
jr nz, rdfls2
dec a
jr nz, rdfls1
wreg flash_cs, 1
pop hl
ret
; ------------------------
; Write to SPI flash
; Parameters:
; A: number of pages (256 bytes) to write
; DE: target address without last byte
; HL': source address from memory
; ------------------------
wrflsh ex af, af'
xor a
wrfls1 wreg flash_cs, 0 ; activamos spi, enviando un 0
wreg flash_spi, 6 ; envío write enable
wreg flash_cs, 1 ; desactivamos spi, enviando un 1
wreg flash_cs, 0 ; activamos spi, enviando un 0
wreg flash_spi, $20 ; envío sector erase
out (c), d
out (c), e
out (c), a
wreg flash_cs, 1 ; desactivamos spi, enviando un 1
wrfls2 call waits5
wreg flash_cs, 0 ; activamos spi, enviando un 0
wreg flash_spi, 6 ; envío write enable
wreg flash_cs, 1 ; desactivamos spi, enviando un 1
wreg flash_cs, 0 ; activamos spi, enviando un 0
wreg flash_spi, 2 ; page program
out (c), d
out (c), e
out (c), a
ld a, $20
exx
ld bc, zxuno_port+$100
wrfls3 inc b
outi
inc b
outi
inc b
outi
inc b
outi
inc b
outi
inc b
outi
inc b
outi
inc b
outi
dec a
jr nz, wrfls3
exx
wreg flash_cs, 1 ; desactivamos spi, enviando un 1
ex af, af'
dec a
jr z, waits5
ex af, af'
inc e
ld a, e
and $0f
jr nz, wrfls2
ld hl, wrfls1
push hl
waits5 wreg flash_cs, 0 ; activamos spi, enviando un 0
wreg flash_spi, 5 ; envío read status
in a, (c)
waits6 in a, (c)
and 1
jr nz, waits6
wreg flash_cs, 1 ; desactivamos spi, enviando un 1
ret
rst28 ld bc, zxuno_port + $100
pop hl
outi
ld b, (zxuno_port >> 8)+2
outi
jp (hl)
FileName dz 'ROMS.ZX1'
output ROMSUPGR
include zxuno.inc
org $2000 ; comienzo de la ejecución de los comandos ESXDOS
call wrear0
dec b
out (c), 0
inc b
in f, (c)
jp p, Nonlock
call Print
dz 'ROM not rooted'
ret
Nonlock ld a, scandbl_ctrl
dec b
out (c), a
inc b
in a, (c)
and $3f
ld (normal+1), a
or $c0
out (c), a
call init
ld bc, zxuno_port
ld a, scandbl_ctrl
out (c), a
inc b
normal ld a, 0
out (c), a
ret
init xor a
esxdos M_GETSETDRV ; A = unidad actual
jr nc, SDCard
call Print
dz 'SD card not inserted'
ret
SDCard ld b, FA_READ ; B = modo de apertura
ld hl, FileName ; HL = Puntero al nombre del fichero (ASCIIZ)
esxdos F_OPEN
ld (handle+1), a
jr nc, FileFound
call Print
dz 'File ROMS.ZX1 not found'
ret
FileFound wreg flash_cs, 0 ; activamos spi, enviando un 0
wreg flash_spi, $9f ; jedec id
in a, (c)
in a, (c)
in a, (c)
in a, (c)
wreg flash_cs, 1 ; desactivamos spi, enviando un 1
sub $19
jr nz, ZX1
call Print
db 'Upgrading ROMS.ZX1 from SD', 13
dz '[ ]', 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8
ld ix, $0a2c
ld iy, $0000
jr ZX2cont
ZX1 call Print
db 'Upgrading ROMS.ZX1 from SD', 13
dz '[', 6, ' ]', 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8
ld ix, $2e40
ld iy, $34c0
ZX2cont ld de, $8000
ld hl, $0060
ld a, $20
call rdflsh
ld de, $0060
exx
ld hl, $8000
ld bc, $1041
handle ld a, 0
esxdos F_READ
jr c, tError
ld a, $20
ld hl, $8000
exx
call wrflsh
ld e, $c0
exx
Bucle ld a, ixl
dec a
and $03
jr nz, punto
ld a, 'o'
exx
push de
rst $10
pop de
exx
punto ld hl, $8000
ld bc, $4000
ld a, (handle+1)
esxdos F_READ
jr nc, ReadOK
tError call Print
dz 'Read Error'
ret
ReadOK ld a, $40
ld hl, $8000
exx
call wrflsh
inc de
ld a, ixl
cp ixh
jr nz, o10roms
wreg flash_cs, 0 ; activamos spi, enviando un 0
wreg flash_spi, 6 ; envío write enable
wreg flash_cs, 1 ; desactivamos spi, enviando un 1
wreg flash_cs, 0 ; activamos spi, enviando un 0
wreg flash_spi, $c5 ; envío wrear
ld l, 1
out (c), l
wreg flash_cs, 1 ; desactivamos spi, enviando un 1
push iy
pop de
o10roms exx
dec ixl
jr nz, Bucle
ld a, (handle+1)
esxdos F_CLOSE
call Print
dz 13, 'Upgrade complete', 13
ld iy, $5c3a
wrear0 wreg flash_cs, 0 ; activamos spi, enviando un 0
wreg flash_spi, 6 ; envío write enable
wreg flash_cs, 1 ; desactivamos spi, enviando un 1
wreg flash_cs, 0 ; activamos spi, enviando un 0
wreg flash_spi, $c5 ; envío wrear
out (c), 0
wreg flash_cs, 1 ; desactivamos spi, enviando un 1
ret
Print pop hl
db $3e
Print1 rst $10
ld a, (hl)
inc hl
or a
jr nz, Print1
jp (hl)
; ------------------------
; Read from SPI flash
; Parameters:
; DE: destination address
; HL: source address without last byte
; A: number of pages (256 bytes) to read
; ------------------------
rdflsh ex af, af'
xor a
push hl
wreg flash_cs, 0 ; activamos spi, enviando un 0
wreg flash_spi, 3 ; envio flash_spi un 3, orden de lectura
pop hl
push hl
out (c), h
out (c), l
out (c), a
ex af, af'
ex de, hl
in f, (c)
rdfls1 ld e, $20
rdfls2 ini
inc b
ini
inc b
ini
inc b
ini
inc b
ini
inc b
ini
inc b
ini
inc b
ini
inc b
dec e
jr nz, rdfls2
dec a
jr nz, rdfls1
wreg flash_cs, 1
pop hl
ret
; ------------------------
; Write to SPI flash
; Parameters:
; A: number of pages (256 bytes) to write
; DE: target address without last byte
; HL': source address from memory
; ------------------------
wrflsh ex af, af'
xor a
wrfls1 wreg flash_cs, 0 ; activamos spi, enviando un 0
wreg flash_spi, 6 ; envío write enable
wreg flash_cs, 1 ; desactivamos spi, enviando un 1
wreg flash_cs, 0 ; activamos spi, enviando un 0
wreg flash_spi, $20 ; envío sector erase
out (c), d
out (c), e
out (c), a
wreg flash_cs, 1 ; desactivamos spi, enviando un 1
wrfls2 call waits5
wreg flash_cs, 0 ; activamos spi, enviando un 0
wreg flash_spi, 6 ; envío write enable
wreg flash_cs, 1 ; desactivamos spi, enviando un 1
wreg flash_cs, 0 ; activamos spi, enviando un 0
wreg flash_spi, 2 ; page program
out (c), d
out (c), e
out (c), a
ld a, $20
exx
ld bc, zxuno_port+$100
wrfls3 inc b
outi
inc b
outi
inc b
outi
inc b
outi
inc b
outi
inc b
outi
inc b
outi
inc b
outi
dec a
jr nz, wrfls3
exx
wreg flash_cs, 1 ; desactivamos spi, enviando un 1
ex af, af'
dec a
jr z, waits5
ex af, af'
inc e
ld a, e
and $0f
jr nz, wrfls2
ld hl, wrfls1
push hl
waits5 wreg flash_cs, 0 ; activamos spi, enviando un 0
wreg flash_spi, 5 ; envío read status
in a, (c)
waits6 in a, (c)
and 1
jr nz, waits6
wreg flash_cs, 1 ; desactivamos spi, enviando un 1
ret
rst28 ld bc, zxuno_port + $100
pop hl
outi
ld b, (zxuno_port >> 8)+2
outi
jp (hl)
FileName dz 'ROMS.ZX1'

203
utils/upgr32m.asm Normal file
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output UPGR32M
include zxuno.inc
org $2000 ; comienzo de la ejecución de los comandos ESXDOS
call wrear0
dec b
out (c), 0
inc b
in f, (c)
jp p, Nonlock
call Print
dz 'ROM not rooted'
ret
Nonlock wreg flash_cs, 0 ; activamos spi, enviando un 0
wreg flash_spi, $9f ; jedec id
in a, (c)
in a, (c)
in a, (c)
in a, (c)
wreg flash_cs, 1 ; desactivamos spi, enviando un 1
sub $19
jr z, Goodflsh
call Print
dz 'Incorrect flash IC'
ret
Goodflsh ld a, scandbl_ctrl
dec b
out (c), a
inc b
in a, (c)
and $3f
ld (normal+1), a
or $c0
out (c), a
call init
ld bc, zxuno_port
ld a, scandbl_ctrl
out (c), a
inc b
normal ld a, 0
out (c), a
ret
init xor a
esxdos M_GETSETDRV ; A = unidad actual
jr nc, SDCard
call Print
dz 'SD card not inserted'
ret
SDCard ld b, FA_READ ; B = modo de apertura
ld hl, FileName ; HL = Puntero al nombre del fichero (ASCIIZ)
esxdos F_OPEN
ld (handle+1), a
jr nc, FileFound
call Print
dz 'Can\'t open FLASH.ZX2'
ret
FileFound call Print
dz 'Upgrading FLASH.ZX2 from SD', 13
call read16m
wreg flash_cs, 0 ; activamos spi, enviando un 0
wreg flash_spi, 6 ; envío write enable
wreg flash_cs, 1 ; desactivamos spi, enviando un 1
wreg flash_cs, 0 ; activamos spi, enviando un 0
wreg flash_spi, $c5 ; envío wrear
ld l, 1
out (c), l
wreg flash_cs, 1 ; desactivamos spi, enviando un 1
call read16m
ld a, (handle+1)
esxdos F_CLOSE
call Print
dz 13, 'Upgrade complete'
wrear0 wreg flash_cs, 0 ; activamos spi, enviando un 0
wreg flash_spi, 6 ; envío write enable
wreg flash_cs, 1 ; desactivamos spi, enviando un 1
wreg flash_cs, 0 ; activamos spi, enviando un 0
wreg flash_spi, $c5 ; envío wrear
out (c), 0
wreg flash_cs, 1 ; desactivamos spi, enviando un 1
ret
read16m ld ix, $0400
ld de, $0000
exx
Bucle ld a, ixl
inc a
and $3f
jr nz, punto
ld a, 'o'
exx
push de
rst $10
pop de
exx
punto ld hl, $8000
ld bc, $4000
handle ld a, 0
esxdos F_READ
jr nc, ReadOK
call Print
dz 'Read Error'
ret
ReadOK ld a, $40
ld hl, $8000
exx
call wrflsh
inc de
exx
dec ixl
jr nz, Bucle
dec ixh
jr nz, Bucle
ret
Print pop hl
db $3e
Print1 rst $10
ld a, (hl)
inc hl
or a
jr nz, Print1
jp (hl)
; ------------------------
; Write to SPI flash
; Parameters:
; A: number of pages (256 bytes) to write
; DE: target address without last byte
; BC': zxuno_port+$100 (constant)
; HL': source address from memory
; ------------------------
wrflsh ex af, af'
xor a
wrfls1 wreg flash_cs, 0 ; activamos spi, enviando un 0
wreg flash_spi, 6 ; envío write enable
wreg flash_cs, 1 ; desactivamos spi, enviando un 1
wreg flash_cs, 0 ; activamos spi, enviando un 0
wreg flash_spi, $20 ; envío sector erase
out (c), d
out (c), e
out (c), a
wreg flash_cs, 1 ; desactivamos spi, enviando un 1
wrfls2 call waits5
wreg flash_cs, 0 ; activamos spi, enviando un 0
wreg flash_spi, 6 ; envío write enable
wreg flash_cs, 1 ; desactivamos spi, enviando un 1
wreg flash_cs, 0 ; activamos spi, enviando un 0
wreg flash_spi, 2 ; page program
out (c), d
out (c), e
out (c), a
ld a, $20
exx
ld bc, zxuno_port+$100
wrfls3 inc b
outi
inc b
outi
inc b
outi
inc b
outi
inc b
outi
inc b
outi
inc b
outi
inc b
outi
dec a
jr nz, wrfls3
exx
wreg flash_cs, 1 ; desactivamos spi, enviando un 1
ex af, af'
dec a
jr z, waits5
ex af, af'
inc e
ld a, e
and $0f
jr nz, wrfls2
ld hl, wrfls1
push hl
waits5 wreg flash_cs, 0 ; activamos spi, enviando un 0
wreg flash_spi, 5 ; envío read status
in a, (c)
waits6 in a, (c)
and 1
jr nz, waits6
wreg flash_cs, 1 ; desactivamos spi, enviando un 1
ret
rst28 ld bc, zxuno_port + $100
pop hl
outi
ld b, (zxuno_port >> 8)+2
outi
jp (hl)
FileName dz 'FLASH.ZX2'