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Kernel version 0.9 : Changed timeout loop causing freeze with MAC Apple IIE Card

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This commit is contained in:
Rémy GIBERT 2017-02-19 21:11:44 +01:00
parent ed63d97fa0
commit e6441b6b26
2 changed files with 65 additions and 59 deletions
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2
INC/COM.6551.I.txt
View File

@ -57,7 +57,7 @@ SSC.CTL.B4800 .EQ %00001100
SSC.CTL.B7200 .EQ %00001101
SSC.CTL.B9600 .EQ %00001110
SSC.CTL.B19200 .EQ %00001111
SSC.CTL.B115200 .EQ %00010000
SSC.CTL.B115200 .EQ %00000000
*--------------------------------------
MAN

122
SYS/KM.VSDRIVE.S.txt
View File

@ -23,59 +23,32 @@ VSDRIVE.Init >LDAXI VSDRIVE.MSG0
jsr PrintCStrAX
jsr VSDRIVE.Check
bcc .1
bcs .90
>LDAXI VSDRIVE.DRVKO
jsr PrintCStrAX
rts
lda #$C1
.1 jsr SSC.Detect
bcc .2
.1 lda #$C1 Self Modified
>LDAXI VSDRIVE.SSCKO
jsr PrintCStrAX
rts
.2 jsr SSC.Detect
bcs .99
.2 sta DRV+2 DRV.Slotn0
lsr
lsr
lsr
lsr
pha
stx DRV+2 DRV.Slotn0
sta .1+1 SlotCn
and #$0F
pha slot n
>LDAXI VSDRIVE.SSCOK
jsr PrintCStrAX
jsr VSDRIVE.Ping
bcc .3
>LDAXI VSDRIVE.SRVKO
jsr PrintCStrAX
lda DRV+2 DRV.Slotn0
lsr
lsr
lsr
lsr
ora #$C0
inc
cmp #$C8
bne .1 Go try next SSC....
rts
bcs .92
.3 >LDAXI VSDRIVE.SRVOK
>LDAXI VSDRIVE.SRVOK
jsr PrintCStrAX
jsr VSDRIVE.SetSlot
bcc .4
bcs .91
>LDAXI VSDRIVE.NOSLOT
jsr PrintCStrAX
rts
.4 pha save slot
pha save slot
pha 2 times
>LDAXI VSDRIVE.DEVOK
jsr PrintCStrAX
@ -84,7 +57,26 @@ VSDRIVE.Init >LDAXI VSDRIVE.MSG0
>LDAXI VSDRIVE.OK
jsr PrintCStrAX
rts
.90 >LDAXI VSDRIVE.DRVKO
jsr PrintCStrAX
rts
.91 >LDAXI VSDRIVE.NOSLOT
jsr PrintCStrAX
rts
.92 >LDAXI VSDRIVE.SRVKO
jsr PrintCStrAX
inc .1+1
lda .1+1
cmp #$C8
bne .2 Go try next SSC....
.99 >LDAXI VSDRIVE.SSCKO
jsr PrintCStrAX
rts
*--------------------------------------
VSDRIVE.Check bit RRAMWRAMBNK2
@ -111,26 +103,31 @@ SSC.Detect stz TmpPtr1
lda (TmpPtr1),y
cmp DEVSIG.Value,x
bne .3
dex
bpl .2
lda TmpPtr1+1
lda TmpPtr1+1 A=SlotCN
asl
asl
asl
asl
tax
tax X=SlotN0
stz SSC.RESET,x
lda #SSC.CTL.B115200+SSC.CTL.8D+SSC.CTL.1S+SSC.CMD.NOP
pha zzzzzzz...
pla
lda #SSC.CTL.CLKINT+SSC.CTL.B115200+SSC.CTL.8D+SSC.CTL.1S+SSC.CMD.NOP
sta SSC.CTL,x
lda #SSC.CMD.RIRQDIS
sta SSC.CMD,x
txa
lda TmpPtr1+1
clc
rts
rts X=SlotN0, A=SlotCN
.3 inc TmpPtr1+1 no match, try next slot....
lda TmpPtr1+1
@ -142,23 +139,28 @@ SSC.Detect stz TmpPtr1
*--------------------------------------
VSDRIVE.Ping ldx DRV+2 DRV.Slotn0
.1 lda SSC.STATUS,x
bit #SSC.STATUS.TDRE Ready for transmit?
beq .1
stz VSDRIVE.Ping.TO
stz VSDRIVE.Ping.TO+1
ldy #10
.2 inc VSDRIVE.Ping.TO Wait.......
.1 lda SSC.STATUS,x
bit #SSC.STATUS.TDRE Ready for transmit?
bne .2
inc VSDRIVE.Ping.TO Wait.......
bne .1
inc VSDRIVE.Ping.TO+1
bne .2
bne .1
dey
bne .2
bne .1
lda #$C4 Send "D" (DIR)
sec
rts
ldy #10 10 retries...
.2 lda #$C4 Send "D" (DIR)
sta SSC.DATA,x
stz VSDRIVE.Ping.TO
@ -167,7 +169,13 @@ VSDRIVE.Ping ldx DRV+2 DRV.Slotn0
.3 inc VSDRIVE.Ping.TO
bne .4
inc VSDRIVE.Ping.TO+1
beq .9 Time Out.....
bne .4
dey
bne .2
sec
rts Time Out.....
.4 lda SSC.STATUS,x
and #SSC.STATUS.RDRF incoming char?
@ -186,9 +194,7 @@ VSDRIVE.Ping ldx DRV+2 DRV.Slotn0
clc
rts
.9 sec
rts
VSDRIVE.Ping.TO .BS 2
*--------------------------------------
* Find 2 free slots in DEVPTRS (D1 & D2)