dos33fsprogs/disk_bug/test.s

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test_entry:
load_new = $119D
load_address=$11C0
load_track=load_address+1
load_sector=load_address+2
load_length=load_address+3
; make sure we are in 40col mode
; with monitor I/O working
jsr $FE89 ; SETKBD (simulate keypress?)
jsr $FE93 ; SETVID (simulate video output?)
jsr $FB2F ; INIT (clear screen/etc)
jsr $FE84 ; SETNORM (set normal video)
jsr $FC58 ; HOME (clear screen)
;=============================
; print title
;=============================
lda #<message1
sta print_smc+1
lda #>message1
sta print_smc+2
jsr print_message
; wait for keypress
jsr $fd0c ; RDKEY
;=============================
; print reading disk1 message
;=============================
lda #<message2
sta print_smc+1
lda #>message2
sta print_smc+2
jsr print_message
; wait for keypress
; jsr $fd0c ; RDKEY
;================================
; read t0/s0 into c0
;================================
lda #$c
sta load_address
lda #$00
sta load_track
lda #$00
sta load_sector
lda #$1
sta load_length
jsr load_new
lda $c00
and #$f
clc
adc #'0'
sta message3+15
lda $c00
lsr
lsr
lsr
lsr
and #$f
clc
adc #'0'
sta message3+14
;=============================
; print read1 result message
;=============================
lda #<message3
sta print_smc+1
lda #>message3
sta print_smc+2
jsr print_message
; wait for keypress
jsr $fd0c ; RDKEY
;=============================
; print insert disk2 message
;=============================
lda #<message4
sta print_smc+1
lda #>message4
sta print_smc+2
jsr print_message
; wait for keypress
jsr $fd0c ; RDKEY
;===============================
; print read disk2 try1 message
;===============================
lda #<message5
sta print_smc+1
lda #>message5
sta print_smc+2
jsr print_message
lda #$c
sta load_address
lda #$00
sta load_track
lda #$00
sta load_sector
lda #$1
sta load_length
jsr load_new
lda $c00
and #$f
clc
adc #'0'
sta message6+15
lda $c00
lsr
lsr
lsr
lsr
and #$f
clc
adc #'0'
sta message6+14
;=============================
; print result2 message
;=============================
lda #<message6
sta print_smc+1
lda #>message6
sta print_smc+2
jsr print_message
lda $c00
cmp #$20
beq no_bug_found
;=============================
; print bug found
;=============================
lda #<message9
sta print_smc+1
lda #>message9
sta print_smc+2
jsr print_message
no_bug_found:
; wait for keypress
jsr $fd0c ; RDKEY
;===============================
; print read disk2 try2 message
;===============================
lda #<message7
sta print_smc+1
lda #>message7
sta print_smc+2
jsr print_message
lda #$c
sta load_address
lda #$00
sta load_track
lda #$00
sta load_sector
lda #$1
sta load_length
jsr load_new
lda $c00
and #$f
clc
adc #'0'
sta message8+15
lda $c00
lsr
lsr
lsr
lsr
and #$f
clc
adc #'0'
sta message8+14
;=============================
; print result3 message
;=============================
lda #<message8
sta print_smc+1
lda #>message8
sta print_smc+2
jsr print_message
;============================
; forever
;============================
forever:
jmp forever
;============================
; print message
;============================
print_message:
ldx #$00 ; loop either 256 chars or until hit zero
loop1:
print_smc:
lda message1,X
beq done1
ora #$80
jsr $FDED ; COUT
inx
bne loop1
done1:
rts
message1:
.byte "TESTING DISK-SWITCH BUG",$0d
.byte "=======================",$0d,$0d,0
message2:
.byte "READING DISK1 T0:S0 TO $C00",$0d,$0d,0
message3:
.byte " BYTE 0 WAS $GG (EXPECTED $01)",$0d,$0d,0
message4:
.byte "PLEASE PUT IN DISK2",$0d,$0d,0
message5:
.byte "READING DISK2 T0:S0 TO $C00",$0d,$0d,0
message6:
.byte " BYTE 0 WAS $GG (EXPECTED $20)",$0d,$0d,0
message7:
.byte "READING DISK2 T0:S0 TO $C00 AGAIN",$0d,$0d,0
message8:
.byte " BYTE 0 WAS $GG (EXPECTED $20)",$0d,$0d,0
message9:
.byte "*** BUG FOUND ***",$0d,$0d,0