Commodore 1570 - Page 104

1)
2)
3)
4)
done_wr
error
cmd buf
Ida
sta
jsr
dlsdr
stat
clkhi
; get data from serial data reg
; save status
; set clock high
Code to check status byte.
This code will
check for mode
whether GCR or MFM.
Verify sector size.
Check for error, if ok then continue.
On error, check error switch if set co_ntinue
otherwise abort.
Verify switches
Ida
stat
; retrieve status
and
#15
cmp
#2
; just chk for error only (3)
bcs
error
; finish
dex
beq done_wr
; done?
mc
buffer
+ 1
; next buffer
jmp
wrLit
cli
. byte
$24
sec
rts
. byte
'UO' ,2,0,0,0,0
96