Atari 400 Technical Reference Manual page 324

ERR LINE
AD DR
B1 B2 B3 B4
DISK *****
DISKP.SRC
*****
3/9/79
***** 4:00:00 PAGE 63
2836
EE4F
C8
TWICE:
INY
2837
EE50
C8 INY
; INCR BUFFER POINTER BY 2
2838 EE51 B1 15 RDBAD: LDA
(BUFADR), Y iREAD LO BYTE BAD SECTOR DATA
2839 EE53 C9 FF CMP
#$FF
2840 EE55 DO F8 BNE TWICE
i
IS IT "FF"
?
2841 EE57 C8 INY
i
YES,
2842 EE58 B1 15 LDA
(BUFADR), Y·
iREAD HI BYTE BAD SECTOR DATA
2843 EE5A C8 INY
2844 EE5B C9 FF CMP #$FF
2845 EE5D
DO F2 BNE
RDBAD ; IS IT "FF"
?
2846 EE5F 88 DEY
2847 EE60 88 DEY
i
YES,
2848 EE61 8C 08 03 STY DBYTLO
iPUT
BAD SECTOR BYTE COUNT INTO DCB
2849 EE64 A9 00 LDA
#0
2850 EE66 8D 09 03 STA DBYTHI
2851 EE69 AC 03 03 ENDDIF: LDY DSTATS
2852 EE6C 60 RTS
2853
2854
2855
2856
2857 SUB R 0 UTI N E S
2858
2859
2860 PUT BUFFER ADDR FROM DCB INTO TEMP REG
2861
2862 EE6D AD 04 03 PUTADR: LDA DBUFLO
2863 EE70 85 15 STA BUFADR
2864
EE72
AD 05 03 LDA
DBUFHI
2865 EE75 85 16 STA
BUFADR+1
iPUT
BUFFER ADDR IN TEMP REG
2866
EE77
60
RTS
2867 i*****************************************************
***********
2868
2869
2870 SPARE BYTE OR MODULE TOO LONG FLAG
2871
2872 EE78 CRNTP4
*
2873
2874 *=$14
2875 0014
00
DSKSPR: . BYTE PRNORG-CRNTP4 iAGDISKP TOO LONG
2876