A2osX/ProDOS.FX/ProDOS.S.LDR.txt

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2019-10-16 06:09:13 +00:00
NEW
AUTO 3,1
2019-11-05 07:29:49 +00:00
*--------------------------------------
2019-11-04 07:21:40 +00:00
.MA DEBUG
:1 bit $C000
bpl :1
sta $C010
.EM
2020-01-13 11:05:11 +00:00
*--------------------------------------
.MA DEBUGOA
bit $C061
bpl :1
>DEBUG
:1 .EQ *
.EM
2019-11-05 07:29:49 +00:00
*--------------------------------------
2019-10-16 06:09:13 +00:00
H2000 jmp prostart
2019-11-01 20:06:04 +00:00
jmp atalkset
jmp p16start
2019-11-05 07:29:49 +00:00
*--------------------------------------
2020-08-29 17:25:43 +00:00
LDR.MSG.PRODOS .AT "PRODOS FX 0.94"
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LDR.MSG.UNSUPP .AT "UNSUPPORTED HARDWARE"
LDR.MSG.IIe .AT "//e"
LDR.MSG.IIc .AT "//c"
LDR.MSG.IIgs .AT "IIgs"
LDR.MSG.Unknown .AT "Unknown"
2020-08-29 17:25:43 +00:00
LDR.MSG.CLK .AT "XClk"
2019-11-07 14:27:24 +00:00
LDR.MSG.RAM .AT "/RAM"
2019-11-08 07:35:08 +00:00
LDR.MSG.ROOTERR .AT "ERR reading CATALOG"
2019-11-05 07:29:49 +00:00
*--------------------------------------
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p16start inc LDR.BootFlag set = 2 for GQuit rts
atalkset inc LDR.BootFlag set = 1 for appletalk rts
2019-10-16 06:09:13 +00:00
prostart lda unitnum
2019-11-01 20:06:04 +00:00
sta LDR.MLIOL.P+1
2019-11-07 14:27:24 +00:00
.DO READCAT=1
sta LDR.MLIRB.P+1
.FIN
2019-11-01 20:06:04 +00:00
cld
bit RROMBNK2
sta CLR80DISP
sta CLR80STORE
2020-08-30 17:50:57 +00:00
2019-11-01 20:06:04 +00:00
jsr init
jsr setvid
jsr setkbd
2020-08-30 17:50:57 +00:00
jsr home
lda #32
2019-11-07 14:27:24 +00:00
2020-08-30 17:50:57 +00:00
ldx #39
.1 sta $400,x
dex
bpl .1
2019-11-07 14:27:24 +00:00
2020-08-30 17:50:57 +00:00
ldx #LDR.MSG.PRODOS
jsr LDR.PrintX
2019-11-01 20:06:04 +00:00
sec
jsr idroutine returns system info
bcs .2 taken if not a //gs
lda #$80
trb newvideo video mode select
2019-10-16 06:09:13 +00:00
* test for at least a 65c02
2019-11-01 20:06:04 +00:00
.2 sed
lda #$99
2019-10-16 06:09:13 +00:00
clc
2019-11-01 20:06:04 +00:00
adc #$01
2019-10-16 06:09:13 +00:00
cld
2019-11-01 20:06:04 +00:00
bmi LDR.UNSUPP.HW
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stz auxsp
sta SETALTZP
stz auxsp
lda auxsp
bne LDR.UNSUPP.HW
dec auxsp init aux sp to $FF
lda auxsp
beq LDR.UNSUPP.HW
sta CLRALTZP
lda auxsp
bne LDR.UNSUPP.HW NO 128k
2019-11-08 07:35:08 +00:00
LDR.CheckROM ldx #LDR.MSG.IIE
2019-11-06 20:48:15 +00:00
lda #MACHID.T.IIe+MACHID.M.128+MACHID.COL80
2019-11-01 20:06:04 +00:00
2020-08-29 17:25:43 +00:00
ldy version check hardware id
2019-11-07 14:27:24 +00:00
cpy #$06 apple //e?
2019-11-01 20:06:04 +00:00
beq .1 if yes
2019-11-07 14:27:24 +00:00
cpy #$EA apple //+ or ///?
2019-11-01 20:06:04 +00:00
beq LDR.UNSUPP.HW
2019-11-07 14:27:24 +00:00
ldx #LDR.MSG.UNKNOWN
2019-11-05 07:29:49 +00:00
bra m128k machine is unknown, Assume //e Enh 128k
2019-11-01 20:06:04 +00:00
2020-08-29 17:25:43 +00:00
.1 ldy zidbyte //c ?
2019-11-01 20:06:04 +00:00
bne .2
2019-11-05 07:29:49 +00:00
ldy kbd //c, check for keypress
cpy #$9B escape? (to disable accelerator)
bne .11
sta KBDSTROBE clear keyboard
.11 lda #MACHID.T.IIc+MACHID.M.128+MACHID.COL80
2019-11-07 14:27:24 +00:00
ldx #LDR.MSG.IIC
2019-11-01 20:06:04 +00:00
bra m128k
2019-11-07 14:27:24 +00:00
.2 cpy #$EA
2019-11-01 20:06:04 +00:00
beq LDR.UNSUPP.HW //e UNenh....
2019-11-07 14:27:24 +00:00
cpy #$E0
beq .3
ldx #LDR.MSG.UNKNOWN
bra m128k not a //e Enh....
2019-10-16 06:09:13 +00:00
2019-11-07 14:27:24 +00:00
.3 sec
2020-08-29 17:25:43 +00:00
jsr idroutine //gs ????
2019-11-05 07:29:49 +00:00
bcs m128k no.....
2019-11-01 20:06:04 +00:00
2019-11-08 07:35:08 +00:00
inc LDR.cortland
2019-11-07 14:27:24 +00:00
ldx #LDR.MSG.IIGS
2019-11-01 20:06:04 +00:00
lda #MACHID.T.IIe+MACHID.M.128+MACHID.COL80+MACHID.CLK
bra m128k
2019-11-07 14:27:24 +00:00
LDR.UNSUPP.HW ldx #LDR.MSG.UNSUPP
jsr LDR.PrintX
2020-04-23 15:36:51 +00:00
bne * no BRA !!! (6502)
2019-11-08 07:35:08 +00:00
*--------------------------------------
2019-11-05 07:29:49 +00:00
m128k sta idapple Save MACHID in temp location
2019-11-01 20:06:04 +00:00
2020-08-29 17:25:43 +00:00
lda #$20 "PRODOS" -> "ProDOS"
tsb LDR.MSG.PRODOS+1
tsb LDR.MSG.PRODOS+2
2020-08-30 17:50:57 +00:00
sec
jsr LDR.ScrInit80
2019-11-01 20:06:04 +00:00
ldx #$F
.2 lda LDR.3F0,x
sta $3F0,x
dex
bpl .2
lda #$01 patch for the gs rom
trb statereg to force off intcxrom
2019-10-16 06:09:13 +00:00
2019-11-10 18:28:06 +00:00
ldx #PAKME.ILDR-PAKME.Table
ldy #ILDR.START
2019-11-01 20:06:04 +00:00
lda /ILDR.START
2019-11-10 18:28:06 +00:00
jsr X.Unpak.XatYA
2019-11-01 20:06:04 +00:00
2019-11-10 18:28:06 +00:00
ldx #PAKME.GP-PAKME.Table
ldy #MLI
2019-11-01 20:06:04 +00:00
lda /MLI
2019-11-10 18:28:06 +00:00
jsr X.Unpak.XatYA
2019-11-01 20:06:04 +00:00
2019-11-04 07:21:40 +00:00
jsr lc1in switch in language card bank 1.
2019-11-10 18:28:06 +00:00
ldx #PAKME.XRW-PAKME.Table
ldy #$D000
2019-11-01 20:06:04 +00:00
lda /$D000
2019-11-10 18:28:06 +00:00
jsr X.Unpak.XatYA
2019-11-01 20:06:04 +00:00
ldx #0
2020-08-29 17:25:43 +00:00
.1 stz FCBs,x
2020-05-23 18:45:32 +00:00
stz VCBs,x
2019-11-01 20:06:04 +00:00
inx
bne .1
2019-11-10 18:28:06 +00:00
ldx #PAKME.XDOS-PAKME.Table
ldy #$DE00
2019-11-01 20:06:04 +00:00
lda /$DE00
2019-11-10 18:28:06 +00:00
jsr X.Unpak.XatYA
2019-11-01 20:06:04 +00:00
2020-04-23 15:36:51 +00:00
ldx #XDOS.DATA.LEN
2019-11-09 12:19:41 +00:00
2019-11-04 07:21:40 +00:00
.3 stz XDOS.DATA-1,x
dex
bne .3
2019-11-10 18:28:06 +00:00
ldx #PAKME.IRQ-PAKME.Table
ldy #$FF9B
2019-11-01 20:06:04 +00:00
lda /$FF9B
2019-11-10 18:28:06 +00:00
jsr X.Unpak.XatYA
2019-10-16 06:09:13 +00:00
2019-11-06 20:48:15 +00:00
LDR.IRQ lda RROMWRAMBNK2
ldy irqv interrupt vector
ldx irqv+1 x = high byte
jsr lc1in set language card bank 1 to r/w
sta SETALTZP
stx irqv+1 interrupt vector
sty irqv save irq vector in aux lc
sta CLRALTZP
stx irqv+1 save irq vector in main lc
sty irqv
lda #calldisp
sta jspare+1 P8 system death vector
lda /calldisp
sta jspare+2
2019-11-23 15:24:55 +00:00
.DO LOWERCASE=0
2019-10-16 06:09:13 +00:00
lda kversion
sta xdosver save current version for dir use
2019-11-23 15:24:55 +00:00
.FIN
2019-11-04 07:21:40 +00:00
lda idapple
sta MACHID
2019-11-08 07:35:08 +00:00
lda LDR.cortland
2019-11-01 20:06:04 +00:00
beq LDR.II branch if // family
2019-11-08 07:35:08 +00:00
*--------------------------------------
LDR.IIGS sta cortflag
2019-11-01 20:06:04 +00:00
2019-11-06 16:25:00 +00:00
lda #calldisp
sta cortdisp
lda /calldisp
sta cortdisp+1
2019-11-08 07:35:08 +00:00
* lda RROMWRAMBNK2
* stz vmode force setvid to reset cursor
* jsr setvid reset output to screen
2019-11-07 14:27:24 +00:00
* jsr lc1in set language card bank 1 to r/w
lda #'C'
2019-11-04 07:21:40 +00:00
ldx PAKME.CCLK
ldy PAKME.CCLK+1
jsr LDR.SetupCLK
2019-11-10 18:28:06 +00:00
* ldx #PAKME.SEL2-PAKME.Table
* ldy #$1000
* lda /$1000
* jsr X.Unpak.XatYA
2019-11-01 20:06:04 +00:00
2019-11-10 18:28:06 +00:00
ldx #PAKME.SEL2-PAKME.Table
2019-11-04 07:21:40 +00:00
jsr LDR.SetupQC
2019-11-08 07:35:08 +00:00
*--------------------------------------
2019-11-04 07:21:40 +00:00
lda LDR.BootFlag
2019-11-01 20:06:04 +00:00
bne .1 branch if prodos 8 alone
2019-10-16 06:09:13 +00:00
* running from gs/os shell so zero out os_boot for appletalk
2019-11-08 16:11:49 +00:00
sta OS_BOOT indicates O/S initially booted.
2019-10-16 06:09:13 +00:00
jsr patch101 patch for gs/os - rev note #101
2019-11-08 07:35:08 +00:00
.1 bra LDR.Common
2019-11-07 14:27:24 +00:00
*--------------------------------------
2019-11-10 18:28:06 +00:00
LDR.II ldx #PAKME.SEL1-PAKME.Table
2019-11-04 07:21:40 +00:00
jsr LDR.SetupQC
2019-11-05 16:31:29 +00:00
2019-11-08 07:35:08 +00:00
jsr LDR.ClkDevScan
2019-11-07 14:27:24 +00:00
*--------------------------------------
2019-11-08 07:35:08 +00:00
LDR.Common jsr LDR.BlkDevScan
2019-11-01 20:06:04 +00:00
2019-11-08 07:35:08 +00:00
jsr LDR.SetupRAM
2019-11-07 14:27:24 +00:00
*--------------------------------------
2019-11-04 07:21:40 +00:00
lda LDR.BootFlag get setup entry point flag
beq LDR.ReadRoot taken if normal boot.
2019-11-01 20:06:04 +00:00
lda RROMBNK2
2019-10-16 06:09:13 +00:00
rts return to caller at setup entry point.
2019-11-08 07:35:08 +00:00
*--------------------------------------
2019-11-07 14:27:24 +00:00
LDR.ReadRoot lda LDR.MLIOL.P+1 place boot devnum in globals
sta devnum last device used
jsr MLI
2019-10-16 06:09:13 +00:00
.DA #MLIONLINE
2019-11-01 20:06:04 +00:00
.DA LDR.MLIOL.P
2019-11-04 07:21:40 +00:00
bcs .9
2019-10-16 06:09:13 +00:00
lda pbuf+1 get volume name length.
and #$0F strip devnum
2019-11-04 07:21:40 +00:00
beq .9
2019-11-08 07:35:08 +00:00
2019-10-16 06:09:13 +00:00
inc add 1 for leading '/'
sta pbuf save prefix length.
lda #'/' place leading '/' in prefix buffer
sta pbuf+1
jsr MLI
.DA #MLISETPREFIX
2019-11-01 20:06:04 +00:00
.DA LDR.MLISETP.P
2019-11-04 07:21:40 +00:00
bcs .9
2019-11-04 20:42:38 +00:00
.DO READCAT=1
2019-11-04 07:21:40 +00:00
stz dst
2019-11-04 20:42:38 +00:00
lda /dbuf
2019-11-04 07:21:40 +00:00
ldy #$02 read directory into buffer
ldx #0
.1 sta dst+1
sta LDR.MLIRB.P+3 Data buf HI
sty LDR.MLIRB.P+4 Blk Num LO
stx LDR.MLIRB.P+5 Blk Num HI
2019-10-16 06:09:13 +00:00
jsr MLI
.DA #MLIREADBLOCK
2019-11-01 20:06:04 +00:00
.DA LDR.MLIRB.P
2019-11-04 07:21:40 +00:00
bcs .9
2019-10-16 06:09:13 +00:00
ldy #$03 get next block# from link
lda (dst),y
tax
dey
2019-11-04 07:21:40 +00:00
ora (dst),y 00 00 -> Last Block
beq .8
2019-10-16 06:09:13 +00:00
lda (dst),y
tay
lda dst+1
2019-11-04 07:21:40 +00:00
inc
inc add $200 to buffer pointer
2019-10-16 06:09:13 +00:00
cmp /dbuf+$800 until it points past end of buffer.
2019-11-04 07:21:40 +00:00
bcc .1 if ok, read next block.
2019-11-04 20:42:38 +00:00
.FIN
2019-11-04 07:21:40 +00:00
.8 jmp $800 jmp to "load interpreter" code
2019-10-16 06:09:13 +00:00
2019-11-08 07:35:08 +00:00
.9 ldx #LDR.MSG.ROOTERR
jsr LDR.PrintX
2019-11-10 18:28:06 +00:00
bra *
2019-11-07 14:27:24 +00:00
*--------------------------------------
2019-11-04 07:21:40 +00:00
LDR.SetupQC bit RRAMWRAMBNK2 read/write RAM bank 2
bit RRAMWRAMBNK2
2019-10-16 06:09:13 +00:00
2019-11-10 18:28:06 +00:00
ldy #$D100
2019-11-04 07:21:40 +00:00
lda /$D100
2019-11-10 18:28:06 +00:00
jsr X.Unpak.XatYA
2019-10-16 06:09:13 +00:00
2019-11-04 07:21:40 +00:00
lda #$EE byte to distinguish LC bank 2
sta $D000
jmp lc1in switch in LC bank 1
*--------------------------------------
2020-04-08 06:13:31 +00:00
DS1216E.DATA1 .EQ idxl
2019-11-05 16:31:29 +00:00
DS1216E.DATA2 .EQ A1L
*--------------------------------------
LDR.ClkDevScan php
sei
lda $CFFF
pha
sta $C300
ldx #7
.1 ldy #8
.2 lda $C304
lsr
ror DS1216E.DATA1,x
dey
bne .2
dex
bpl .1
lda $C304 Reset DS1216E comparison register with READ A2=1
ldx #7 Read 8 bytes...
2020-04-08 06:13:31 +00:00
.3 lda DS1216E.SIG,x
2019-11-05 16:31:29 +00:00
phx
2020-04-08 06:13:31 +00:00
2019-11-05 16:31:29 +00:00
ldx #8 ....of 8 bits
.4 ldy #0
lsr
bcc .5
iny
.5 pha
lda $C300,y Write Pattern bit in A0, with A2=0
pla
dex
bne .4
plx
dex
bpl .3
ldx #7
.6 ldy #8
.7 lda $C304
lsr
ror DS1216E.DATA2,x
dey
bne .7
dex
bpl .6
pla
bmi .8
sta $CFFF
.8 plp
ldx #7
2020-04-08 06:13:31 +00:00
2019-11-05 16:31:29 +00:00
.9 lda DS1216E.DATA1,x
cmp DS1216E.DATA2,x
2020-01-06 07:03:37 +00:00
bne .90
2019-11-05 16:31:29 +00:00
dex
bpl .9
2020-01-06 07:03:37 +00:00
bra LDR.ClkDevTCLK
2019-11-05 16:31:29 +00:00
2020-01-06 07:03:37 +00:00
.90 lda #'N'
2019-11-05 16:31:29 +00:00
ldx PAKME.NCLK
ldy PAKME.NCLK+1
2019-11-08 07:35:08 +00:00
bra LDR.SetupCLK
*--------------------------------------
2019-11-05 16:31:29 +00:00
LDR.ClkDevTCLK lda CLRC8ROM switch out $C8 ROMs
stz idxl
lda #$C1
sta idxl+1
.1 ldy #6
.2 lda (idxl),y compare id bytes
cmp dskid,y
bne .3
dey
dey
bpl .2
2019-11-07 14:27:24 +00:00
lda #'T'
2019-11-05 16:31:29 +00:00
ldx PAKME.TCLK
ldy PAKME.TCLK+1
jsr LDR.SetupCLK
lda idxl+1
sta TCLK.Cx1+2
sta TCLK.Cx2+2
rts
.3 inc idxl+1
lda idxl+1
cmp #$C8
bne .1
rts
2019-11-04 07:21:40 +00:00
*--------------------------------------
LDR.SetupCLK stx ZPInBufPtr
sty ZPInBufPtr+1
2019-11-07 14:27:24 +00:00
2020-08-29 17:25:43 +00:00
sta LDR.MSG.CLK
bit RROMBNK2
2019-11-07 14:27:24 +00:00
ldx #LDR.MSG.CLK
jsr LDR.PrintX
2020-08-29 17:25:43 +00:00
jsr lc1in
2019-11-04 07:21:40 +00:00
lda #$D742
sta ZPOutBufPtr
lda /$D742
sta ZPOutBufPtr+1
jsr X.Unpak
2019-10-16 06:09:13 +00:00
2019-11-04 07:21:40 +00:00
lda #$4C enable clock routine by putting a jmp
sta clockv in front of clock vector
2019-10-16 06:09:13 +00:00
2019-11-04 07:21:40 +00:00
lda #MACHID.CLK
tsb MACHID
2019-11-07 14:27:24 +00:00
LDR.SetupCLK.RTS
2019-11-04 07:21:40 +00:00
rts
*--------------------------------------
2019-11-09 12:19:41 +00:00
LDR.SetupRAM lda DEVCNT
2019-11-08 16:11:49 +00:00
cmp #13
bcs LDR.SetupCLK.RTS
jsr lc1in
2019-11-08 07:35:08 +00:00
2019-11-10 18:28:06 +00:00
ldx #PAKME.RAM-PAKME.Table
ldy #$FF00
2019-11-08 07:35:08 +00:00
lda /$FF00
2019-11-10 18:28:06 +00:00
jsr X.Unpak.XatYA
2019-11-08 07:35:08 +00:00
sta SETWRITEAUX
2019-11-10 18:28:06 +00:00
ldx #PAKME.RAMX-PAKME.Table
ldy #$0200
2019-11-08 07:35:08 +00:00
lda /$0200
2019-11-10 18:28:06 +00:00
jsr X.Unpak.XatYA
2019-10-31 06:54:28 +00:00
2019-11-08 07:35:08 +00:00
sta CLRWRITEAUX
2019-11-04 07:21:40 +00:00
2019-11-08 07:35:08 +00:00
lda #RAMDRV put driver address into
2019-11-08 16:11:49 +00:00
sta DEVPTRS3D2
2019-11-08 07:35:08 +00:00
lda /RAMDRV
2019-11-08 16:11:49 +00:00
sta DEVPTRS3D2+1
2019-11-08 07:35:08 +00:00
2019-11-09 12:19:41 +00:00
inc DEVCNT count (-1) active devices
ldx DEVCNT
2019-11-08 07:35:08 +00:00
lda #$BF unit num of /RAM
2019-11-09 12:19:41 +00:00
sta DEVLST,x
2019-11-08 07:35:08 +00:00
ldx #LDR.MSG.RAM
jmp LDR.PrintX
*--------------------------------------
* find all disk devices in system slots and set up address
* and device table in prodos global page.
*--------------------------------------
LDR.BlkDevScan stz idxl
2019-10-31 06:54:28 +00:00
lda #$C7 search slots from high to low
sta idxl+1
2019-11-04 07:21:40 +00:00
2019-11-08 16:11:49 +00:00
lda #7
sta LDR.SlotIdx
2020-04-13 17:04:02 +00:00
.1 ldx LDR.SlotIdx
stz LDR.SlotDevType-1,x
2019-11-09 12:19:41 +00:00
jsr LDR.CheckDiskID
2019-11-08 07:35:08 +00:00
bcs .8 if no ProDOS device in this slot.
ldy #$ff
2019-10-31 06:54:28 +00:00
lda (idxl),y check last byte of $Cn rom (y = $ff)
2019-11-08 07:35:08 +00:00
bne .2 branch if 16 sector disk II.
sta devid =0 since disk ii's have null attributes
2020-08-30 17:50:57 +00:00
lda #XRW.START
2020-04-13 17:04:02 +00:00
sta LDR.driveradr
2020-08-30 17:50:57 +00:00
lda /XRW.START
2020-04-13 17:04:02 +00:00
sta LDR.driveradr+1
2019-11-08 07:35:08 +00:00
sec 2 devices
2019-11-08 16:11:49 +00:00
jsr LDR.AddBlkDevs
bra .7
2019-11-08 07:35:08 +00:00
.2 cmp #$FF if = $FF then 13 sector disk II.
beq .8 ignore if 13 sector boot ROM
2019-10-31 06:54:28 +00:00
ldy #$07 check for a smartport device.
lda (idxl),y
2019-11-08 16:11:49 +00:00
bne .3 no smartport
2019-11-08 07:35:08 +00:00
2019-11-08 16:11:49 +00:00
jsr LDR.AddSPDevs
bra .7
2019-10-31 06:54:28 +00:00
2019-11-08 16:11:49 +00:00
.3 ldy #$FE BLK device...
2019-10-31 06:54:28 +00:00
lda (idxl),y get attributes.
and #$03 verify it provides read and status calls.
cmp #$03
2019-11-08 07:35:08 +00:00
bne .7 assume it's an off-brand disk
2019-11-08 16:11:49 +00:00
lda (idxl),y get back ID byte
lsr
lsr
lsr
lsr
sta devid ->DEV LIST NIBBLE
2019-11-08 07:35:08 +00:00
2019-11-08 16:11:49 +00:00
and #$3 Device count minus 1
inc
ldx LDR.SlotIdx
2019-11-09 12:19:41 +00:00
sta LDR.SlotDevCnt-1,x
2019-11-08 16:11:49 +00:00
tax
2019-11-08 07:35:08 +00:00
2019-11-08 16:11:49 +00:00
iny $CnFF
lda (idxl),y
2020-04-13 17:04:02 +00:00
sta LDR.driveradr
2019-11-08 16:11:49 +00:00
lda idxl+1 store hi entry addr (low already done)
2020-04-13 17:04:02 +00:00
sta LDR.driveradr+1
2019-10-31 06:54:28 +00:00
2019-11-08 16:11:49 +00:00
cpx #2 CS if 2 devs or more
jsr LDR.AddBlkDevs install 1 or 2 devices from this slot.
2019-11-04 07:21:40 +00:00
2019-11-08 16:11:49 +00:00
.7 ldx LDR.SlotIdx
2020-04-13 17:04:02 +00:00
lda sltbit-1,x
2019-11-08 07:35:08 +00:00
tsb rommap mark bit to flag rom present
.8 dec idxl+1 next lower slot.
2019-11-08 16:11:49 +00:00
dec LDR.SlotIdx have all slots been checked ?
2019-11-08 07:35:08 +00:00
bne .1
2019-11-08 16:11:49 +00:00
*--------------------------------------
LDR.AddExtraDevs
2020-01-13 11:05:11 +00:00
* stz idxl
2019-11-09 12:19:41 +00:00
lda #$C7
sta idxl+1
2019-11-08 16:11:49 +00:00
lda #7
sta LDR.SlotIdx
2019-10-31 06:54:28 +00:00
2019-11-08 16:11:49 +00:00
.1 ldx LDR.SlotIdx
2020-01-29 12:33:33 +00:00
lda LDR.SlotDevType-1,x
beq .8
2020-01-28 16:42:51 +00:00
2019-11-09 12:19:41 +00:00
lda LDR.SlotDevCnt-1,x
2019-11-08 16:11:49 +00:00
cmp #3
bcc .8
2019-10-31 06:54:28 +00:00
2020-01-28 16:42:51 +00:00
jsr LDR.AddExtraSPDevs
2019-11-04 07:21:40 +00:00
2020-04-13 17:04:02 +00:00
.8 dec idxl+1
dec LDR.SlotIdx
2019-11-08 16:11:49 +00:00
bne .1
2020-04-13 17:04:02 +00:00
2019-11-09 12:19:41 +00:00
LDR.AddExtraDevs.RTS
2019-10-31 06:54:28 +00:00
rts
2019-11-08 07:35:08 +00:00
*--------------------------------------
2019-11-08 16:11:49 +00:00
LDR.AddSPDevs jsr LDR.SetDevID setup the devid byte from attributes
2019-10-31 06:54:28 +00:00
2019-11-08 16:11:49 +00:00
iny #$ff
lda (idxl),y
2020-04-13 17:04:02 +00:00
sta LDR.driveradr
2019-11-09 12:19:41 +00:00
sta .1+1 modify operand
2019-10-31 06:54:28 +00:00
clc
adc #$03
2020-04-13 17:04:02 +00:00
sta LDR.SPVect+1
2019-11-08 16:11:49 +00:00
lda idxl+1
2020-04-13 17:04:02 +00:00
sta LDR.driveradr+1
sta LDR.SPVect+2
2019-11-09 12:19:41 +00:00
sta .1+2 modify operand
2019-11-08 16:11:49 +00:00
2019-11-01 20:06:04 +00:00
asl convert $Cn to $n0
2019-10-31 06:54:28 +00:00
asl
asl
asl
sta unitnum unit number
2019-11-08 16:11:49 +00:00
2019-10-31 06:54:28 +00:00
stz A4L force a prodos status call
2019-11-08 16:11:49 +00:00
2019-10-31 06:54:28 +00:00
stz buf dummy pointer
lda #$10
sta buf+1 dummy pointer should be <> 0
2019-11-08 16:11:49 +00:00
stz bloknml # of bytes to transfer
stz bloknml+1
2019-11-09 12:19:41 +00:00
.1 jsr $0000 SELF MODIFIED
2020-04-13 17:04:02 +00:00
ldy #$FB
lda (idxl),y check device id
and #$02 SCSI ?
beq .2 no, no need to init Cocoon
2019-11-08 16:11:49 +00:00
2020-04-13 17:04:02 +00:00
jsr LDR.SPStatusCall status of Cocoon : A = device = 2 for SCSI
2019-10-31 06:54:28 +00:00
2020-04-13 17:04:02 +00:00
.2 lda #0 set unit# = 0
jsr LDR.SPStatusCall
lda LDR.SPStatusBuf Device count
2019-11-09 12:19:41 +00:00
beq LDR.AddExtraDevs.RTS no devices, so done.
2019-10-31 06:54:28 +00:00
2020-01-29 12:33:33 +00:00
* sta LDR.DevCnt
2019-11-08 16:11:49 +00:00
ldx LDR.SlotIdx
2019-11-09 12:19:41 +00:00
inc LDR.SlotDevType-1,x set as smartport
2019-11-08 16:11:49 +00:00
2020-01-29 12:33:33 +00:00
*.3 inc LDR.SPStatus.U
2019-10-31 06:54:28 +00:00
2020-04-13 17:04:02 +00:00
* jsr LDR.SPStatusCall.U call to get the device status
2020-01-29 12:33:33 +00:00
* bcs .7
2019-10-31 06:54:28 +00:00
2020-04-13 17:04:02 +00:00
* lda LDR.SPStatusBuf
2020-01-28 16:42:51 +00:00
* bpl .7 not a block device
2019-11-08 16:11:49 +00:00
2020-01-29 12:33:33 +00:00
* ldx LDR.SlotIdx
* inc LDR.SlotDevCnt-1,x
2019-11-08 16:11:49 +00:00
2020-01-29 12:33:33 +00:00
*.7 dec LDR.DevCnt
* bne .3
2019-11-08 16:11:49 +00:00
2020-01-29 12:33:33 +00:00
* ldx LDR.SlotIdx
* lda LDR.SlotDevCnt-1,x
* beq LDR.AddBlkDevs.RTS
2019-11-09 12:19:41 +00:00
2020-01-29 12:33:33 +00:00
sta LDR.SlotDevCnt-1,x
2019-11-09 12:19:41 +00:00
cmp #2 CC/CS, add 1 or 2 devs
2019-11-08 07:35:08 +00:00
*--------------------------------------
2019-11-08 16:11:49 +00:00
LDR.AddBlkDevs php how many drives (carry).
lda idxl+1 get index to global device table
and #$07 for this slot...
asl
tay into y reg.
2019-11-08 07:35:08 +00:00
2019-11-08 16:11:49 +00:00
asl
asl now form device # = slot #
asl in high nibble.
2019-11-08 07:35:08 +00:00
2019-11-08 16:11:49 +00:00
ora devid combine with attributes.
2019-11-09 12:19:41 +00:00
ldx DEVCNT
2019-11-08 16:11:49 +00:00
inx put device # into device list.
2019-11-09 12:19:41 +00:00
sta DEVLST,x
2019-11-08 16:11:49 +00:00
asl now form drive 2 device number, if any.
2019-11-08 07:35:08 +00:00
2019-11-08 16:11:49 +00:00
plp restore # of devices in carry.
ror if 2 drives, then bit 7=1.
bpl .1 branch if a 1 drive device (e.g. hard drive)
2019-11-08 07:35:08 +00:00
2019-11-08 16:11:49 +00:00
inx else presume that 2nd drive is present.
2019-11-09 12:19:41 +00:00
sta DEVLST,x active device list.
2019-11-08 16:11:49 +00:00
2020-01-13 11:05:11 +00:00
.1 stx DEVCNT save updated device count.
2019-11-08 16:11:49 +00:00
asl shift # of drives back into carry.
2020-04-13 17:04:02 +00:00
lda LDR.driveradr get high address of device driver.
2019-11-09 12:19:41 +00:00
sta DEVPTRS,y device driver table 1.
2019-11-08 16:11:49 +00:00
bcc .2 branch if single drive.
2019-11-09 12:19:41 +00:00
sta DEVPTRS+16,y device driver table 2.
2019-11-08 16:11:49 +00:00
2020-04-13 17:04:02 +00:00
.2 lda LDR.driveradr+1
2019-11-09 12:19:41 +00:00
sta DEVPTRS+1,y
2019-11-08 16:11:49 +00:00
bcc .3
2019-11-09 12:19:41 +00:00
sta DEVPTRS+17,y
2019-11-08 16:11:49 +00:00
2019-11-09 12:19:41 +00:00
.3
LDR.AddBlkDevs.RTS
rts
2019-11-08 07:35:08 +00:00
*--------------------------------------
2019-11-08 16:11:49 +00:00
LDR.AddExtraSPDevs
2019-10-31 06:54:28 +00:00
ldy #$FF get smartport address.
lda (idxl),y
clc
adc #$03 add 3 for smartport call
2020-04-13 17:04:02 +00:00
sta LDR.SPVect+1
2019-10-31 06:54:28 +00:00
lda idxl+1
2020-04-13 17:04:02 +00:00
sta LDR.SPVect+2
2019-10-31 06:54:28 +00:00
2019-11-08 16:11:49 +00:00
jsr LDR.SetDevID set up device attributes
2019-10-31 06:54:28 +00:00
2020-04-13 17:04:02 +00:00
lda #0
jsr LDR.SPStatusCall do a status call on smartport itself
2019-10-31 06:54:28 +00:00
2020-04-13 17:04:02 +00:00
lda LDR.SPStatusBuf # of devices on smartport
2019-11-09 12:19:41 +00:00
2019-10-31 06:54:28 +00:00
cmp #$03
2019-11-08 16:11:49 +00:00
bcc .8 only 2 devices,skip to next one.
2019-10-31 06:54:28 +00:00
2019-11-09 12:19:41 +00:00
dec
dec
sta LDR.DevCnt
2019-10-31 06:54:28 +00:00
2019-11-09 12:19:41 +00:00
lda #3
sta LDR.SPStatus.U
2020-04-13 17:04:02 +00:00
.1 jsr LDR.SPStatusCall.U do status call
2019-10-31 06:54:28 +00:00
2020-04-13 17:04:02 +00:00
lda LDR.SPStatusBuf is this a block device?
2020-01-29 12:33:33 +00:00
bpl .2
2019-10-31 06:54:28 +00:00
2019-11-09 12:19:41 +00:00
jsr LDR.MountSPDevs
bcs .8
2019-11-08 16:11:49 +00:00
2019-11-09 12:19:41 +00:00
.2 inc LDR.SPStatus.U
2020-04-13 17:04:02 +00:00
2019-11-09 12:19:41 +00:00
dec LDR.DevCnt
bne .1
2019-11-08 16:11:49 +00:00
.8 rts
2019-11-08 07:35:08 +00:00
*--------------------------------------
2019-11-09 12:19:41 +00:00
LDR.MountSPDevs ldx #LDR.DEVPTRS.CNT-1
2019-11-08 16:11:49 +00:00
2019-11-09 12:19:41 +00:00
.1 ldy LDR.DEVPTRS.IDX,x
lda DEVPTRS,y device driver table 1
2019-10-31 06:54:28 +00:00
cmp #nodevice
2019-11-01 20:06:04 +00:00
bne .2
2019-11-09 12:19:41 +00:00
lda DEVPTRS+1,y
2019-10-31 06:54:28 +00:00
cmp /nodevice
2019-11-09 12:19:41 +00:00
beq .3
2019-11-08 16:11:49 +00:00
2019-11-01 20:06:04 +00:00
.2 dex
bpl .1
2019-11-09 12:19:41 +00:00
sec
rts
.3 jsr lc1in write enable LC ram bank 1.
tya divide index by 2
2019-10-31 06:54:28 +00:00
lsr
tax
2019-11-09 12:19:41 +00:00
2019-11-08 16:11:49 +00:00
lda LDR.SPStatus.U
2020-04-13 17:04:02 +00:00
sta XDOS.SPUnit-1,x store the smartport unit #
2019-11-08 16:11:49 +00:00
2020-04-13 17:04:02 +00:00
lda LDR.SPVect+1 and entry address.
sta XDOS.SPVectLo-1,x
2019-11-08 16:11:49 +00:00
2020-04-13 17:04:02 +00:00
lda LDR.SPVect+2
sta XDOS.SPVectHi-1,x
2019-11-08 16:11:49 +00:00
2019-10-31 06:54:28 +00:00
lda RROMBNK2 write protect lc ram.
2019-11-08 16:11:49 +00:00
2019-11-09 12:19:41 +00:00
inc DEVCNT
ldx DEVCNT
2019-10-31 06:54:28 +00:00
tya
2019-11-08 16:11:49 +00:00
2019-11-09 12:19:41 +00:00
asl convert to DSSS0000
2019-10-31 06:54:28 +00:00
asl
asl
2019-11-08 16:11:49 +00:00
2019-10-31 06:54:28 +00:00
ora devid include device attributes
2019-11-09 12:19:41 +00:00
sta DEVLST,x in the active device list.
2019-11-08 16:11:49 +00:00
2019-11-09 12:19:41 +00:00
lda #XDOS.SPREMAP
sta DEVPTRS,y device driver table 1
lda /XDOS.SPREMAP
sta DEVPTRS+1,y
clc
2019-11-08 16:11:49 +00:00
rts
*--------------------------------------
2020-04-13 17:04:02 +00:00
LDR.SPStatusCall
sta LDR.SPStatus.U device = 2 for SCSI
LDR.SPStatusCall.U
2020-07-23 16:48:45 +00:00
LDR.SPVect jsr $0000 self modifying
2020-04-13 17:04:02 +00:00
.HS 00
.DA LDR.SPStatus.P
rts
2019-11-08 16:11:49 +00:00
*--------------------------------------
LDR.CheckDiskID lda CLRC8ROM switch out $C8 ROMs
ldy #$05
.1 lda (idxl),y compare id bytes
cmp dskid,y
sec set if no disk card
bne .2
2019-10-31 06:54:28 +00:00
2019-11-08 16:11:49 +00:00
dey
dey
bpl .1 loop until all 4 id bytes match.
clc clear if disk card
.2 rts
*--------------------------------------
LDR.SetDevID ldy #$FE check attributes byte.
lda (idxl),y
lsr move hi nibble to lo nibble for
lsr device table entries.
lsr
lsr
sta devid
rts
2019-11-08 07:35:08 +00:00
*--------------------------------------
2020-08-30 17:50:57 +00:00
LDR.ScrInit80 sta CLRC3ROM
lda #$8C Reset 80 col screen ($0C:HOME)
jsr $C300
jsr setnorm
2020-08-29 17:25:43 +00:00
jsr home
jsr SETINV
2020-08-30 17:50:57 +00:00
.DO LOGO
lda #20
sta CV
lda #LOGO.PAKED
sta ZPInBufPtr
lda /LOGO.PAKED
sta ZPInBufPtr+1
2020-09-18 06:03:33 +00:00
stz ZPOutBufPtr
2020-08-30 17:50:57 +00:00
lda #$A0
sta ZPOutBufPtr+1
jsr X.Unpak
sta CLRHIRES
sta SETMIXED
bit RDIOUDIS
sta SETIOUDIS
sta SETDHIRES
bmi .10
sta CLRIOUDIS
.10 sta CLRTEXT
2020-09-18 06:03:33 +00:00
stz ZPPtr1
2020-08-30 17:50:57 +00:00
lda #$A0
sta ZPPtr1+1
lda #0
.1 pha
jsr GBSCALC
ldy #0
.2 lda (ZPPtr1),y
pha
and #$f
tax
lda PALETTE.AUX,x
sta SETPAGE2
sta (GBASL),y
pla
lsr
lsr
lsr
lsr
tax
lda PALETTE.MAIN,x
sta CLRPAGE2
sta (GBASL),y
iny
cpy #40
bne .2
lda ZPPtr1
clc
adc #40
sta ZPPtr1
bcc .3
inc ZPPtr1+1
.3 ldy #0
.4 lda (ZPPtr1),y
pha
and #$f
tax
lda PALETTE.AUX,x
asl
asl
asl
asl
sta SETPAGE2
ora (GBASL),y
sta (GBASL),y
pla
lsr
lsr
lsr
lsr
tax
lda PALETTE.MAIN,x
asl
asl
asl
asl
sta CLRPAGE2
ora (GBASL),y
sta (GBASL),y
iny
cpy #40
bne .4
lda ZPPtr1
clc
adc #40
sta ZPPtr1
bcc .7
inc ZPPtr1+1
.7 pla
inc
cmp #20
bne .1
.FIN
2020-08-29 17:25:43 +00:00
jsr CLREOL
jsr setnorm
2020-08-30 17:50:57 +00:00
2020-08-29 17:25:43 +00:00
ldx #LDR.MSG.PRODOS
2019-11-08 07:35:08 +00:00
*--------------------------------------
2020-08-29 17:25:43 +00:00
LDR.PrintX bit RROMBNK2
lda INVFLG
pha
jsr SETINV
2019-11-08 07:35:08 +00:00
.1 lda $2000,x
pha
2020-08-29 17:25:43 +00:00
ora #$80
jsr COUT
2019-11-08 07:35:08 +00:00
inx
pla
bpl .1
2020-08-29 17:25:43 +00:00
lda #$A0
jsr COUT
pla
sta INVFLG
2019-11-08 07:35:08 +00:00
rts
*--------------------------------------
2020-08-30 17:50:57 +00:00
PALETTE.MAIN .HS 00.02.04.06.08.0A.0C.0E
.HS 01.03.05.07.09.0B.0D.0F
PALETTE.AUX .HS 00.01.02.03.04.05.06.07
.HS 08.09.0A.0B.0C.0D.0E.0F
*--------------------------------------
2019-11-01 20:06:04 +00:00
* 16 bytes moved to $03F0 vectors
2019-11-05 16:31:29 +00:00
*--------------------------------------
2019-11-01 20:06:04 +00:00
LDR.3F0 .DA breakv
.DA oldrst
.DA #$5A powerup byte
jmp oldrst '&' vector
jmp oldrst ctrl-y vector
.HS 004000
.DA GP.IRQV global page interrupt vector
lc1in lda RRAMWRAMBNK1
lda RRAMWRAMBNK1
rts
2019-11-05 16:31:29 +00:00
*--------------------------------------
2019-11-04 07:21:40 +00:00
* patch to gsos vectors so error is returned for os calls - rev note #101
2019-11-05 16:31:29 +00:00
*--------------------------------------
2019-11-04 07:21:40 +00:00
patch101 php
sei disable interrupts
clc
xce full native mode
>LONGMX
phb save DBR
pha
pha
pea $0000 length of patch
pea $0010 0000/0010 = 16 bytes
pea $3101 user id for prodos 8
pea $8018 attributes (locked/nospec/nocross)
pha
pha
>IIGS NewHandle
lda $01,s retrieve handle
tax
lda $03,s
tay
pea $0000 copy the code into the handle
pea L2C4D
phy
phx
pea $0000 length of patch = 0000/0010
pea $0010
>IIGS PtrToHand
plx low word of handle
plb set DBR to handle's bank
lda >1,x get upper 16 bits of 24 bit address
tay save in y
lda >0,x get low 8 bits of address
and ##$00FF clear high byte
xba put address in high byte
ora ##$005C include JML opcode
sta GSOS2 store in gsos vectors
clc
adc ##$000B
sta GSOS
tya store upper 16 bits too
sta GSOS2+2
adc ##$0000 adj for possible page crossing
sta GSOS+2
plb remove garbage byte from stack
plb restore DBR.
sec
xce back to emulation mode
plp
rts
2020-04-13 17:04:02 +00:00
*--------------------------------------
2019-11-04 07:21:40 +00:00
* copy of the code that goes in the handle
2020-04-13 17:04:02 +00:00
*--------------------------------------
2019-11-04 07:21:40 +00:00
L2C4D lda 1,s
sta 7,s
lda 2,s
sta 8,s
pla
pla
pla
lda ##$00FF #NoOS
sec
rtl
2019-11-05 16:31:29 +00:00
*--------------------------------------
2020-04-13 17:04:02 +00:00
DS1216E.SIG .HS 5CA33AC55CA33AC5 Reverted 7->0
*--------------------------------------
* id bytes: evens for clock, odds for disk
dskid .HS 082028005803703C
sltbit .HS 02040810204080
*--------------------------------------
LDR.MLIOL.P .DA #2
.DA #$60
.DA pbuf+1
LDR.MLISETP.P .DA #1
.DA pbuf
.DO READCAT=1
LDR.MLIRB.P .DA #3
.DA #0 unit number
.DA 0 2 byte data buffer
.DA 0 2 byte block number
.FIN
LDR.SPStatus.P .DA #$03 # of parms
LDR.SPStatus.U .DA #$00 unit number (code for smartport stat)
.DA LDR.SPStatusBuf
.DA #00 status code (0 = general status)
LDR.DEVPTRS.CNT .EQ 14
LDR.DEVPTRS.IDX .DA #$16 S3D2
2020-09-16 12:00:54 +00:00
.DA #$12 S1D2
.DA #$02 S1D1
.DA #$14 S2D2
.DA #$04 S2D1
.DA #$18 S4D2
.DA #$08 S4D1
2020-04-13 17:04:02 +00:00
.DA #$06 S3D1
.DA #$1A S5D2
.DA #$0A S5D1
2020-09-11 15:01:48 +00:00
.DA #$1C S6D2
.DA #$0C S6D1
.DA #$1E S7D2
.DA #$0E S7D1
2020-04-13 17:04:02 +00:00
*--------------------------------------
LDR.cortland .DA #0 cortland loader flag (1 = Cortland)
LDR.BootFlag .DA #0 0 = normal boot, <>0 = return
*--------------------------------------
LDR.SPStatusBuf .BS 8 8 bytes for smartport call
LDR.driveradr .BS 2
LDR.SlotIdx .BS 1
LDR.DevCnt .BS 1
LDR.SlotDevType .BS 7
LDR.SlotDevCnt .BS 7
*--------------------------------------
2019-10-16 06:09:13 +00:00
MAN
2020-08-29 17:25:43 +00:00
SAVE usr/src/prodos.fx/prodos.s.ldr
LOAD usr/src/prodos.fx/prodos.s
2019-10-16 06:09:13 +00:00
ASM