Atari 400 Technical Reference Manual page 357

ERR LINE ADDR B1 B2 B3 B4 DISPLAY HANDLER
10-30-78 -- DISPLC PAGE
96
4202 F4D3 A2 02
LDX #2
iADD 4 LINES OF TEXT AT BOTTOM OF SCREEN
4203
F4D5
A9 02 DOPEN2: LDA #2
4204 F4D7 20 17 F9 JSR
STORE
4205 F4DA CA
DEX
4206 F4DB
10 F8 BPL DOPEN2
4207 F4DD A4 6A LDY RAMTOP iRELOAD MSC FOR TEXT
4208 F4DF 88 DEY
4209 F4EO 98 TYA
4210 F4E1
20 17 F9 JSR STORE
4211 F4E4
A9 60 LDA
#$60
4212 F4E6 20 17 F9 JSR STORE
4213 F4E9 A9 42 LDA #$42
4214 F4EB 20 17 F9 JSR STORE
4215 F4EE
18 CLC
4216 F4EF
A9 OC LDA #MXDMDE-NUMDLE iPOINT X AT MIXED MODE TABLE
4217 F4F1
65 66 ADC OPNTMP
4218 F4F3 85 66 STA
OPNTMP
4219 F4F5
A4 66 NOTMXD: LDY OPNTMP
4220 F4F7
BE 51 FE LDX NUMDLE,Y iGET NUMBER OF DISPLAY LIST ENTRIES
4221 F4FA A5 51 DOPEN3: LDA HOLDl i STORE N DLE'S
4222 F4FC 20 17 F9 JSR
STORE
4223 F4FF CA DEX
4224 F500
DO F8 BNE DOPEN3
4225 F502
A5 57 LDA DINDEX iDO THE MESSY 320X1 PROBLEM
4226
F504
C9 08 CMP #8
4227 F506 90 1C BCC DOPEN5
4228 F508 A2 5D LDX #93
iGET REMAINING NUMBER OF DLE'S
4229 F50A A5 6A
LDA RAMTOP ; RELOAD MEMORY SCAN COUNTER
4230 F50C
38 SEC
4231 F50D
E9 10 SBC #$10
4232
F50F
20 17 F9 JSR STORE
4233 F512 A9 00
LDA
#0
4234 F514
20 17 F9 JSR STORE
4235 F517
A9 4F LDA #$4F ; (ANTIC) RELOAD MSC CODE
4236 F519 20 17 F9 JSR
STORE
4237 F51C AS 51 DOPEN4: LDA
HOLDl iDO REMAINING DLE'S
4238 F51E
20 17 F9 JSR STORE
4239 F521
CA DEX
4240 F522 DO F8
BNE DOPEN4
4241 F524 A5 59 DOPEN5: LOA
SAVMSC+1 iPOLISH OFF DISPLAY LIST
4242 F526 20 17 F9
JSR STORE
4243 F529
A5 58 LDA SAVMSC
4244 F52B 20 17 F9 JSR STORE
4245 F52E A5 51
LDA HOLDl
4246 F530
09 40 ORA #$40
4247 F532
20 17 F9 JSR STORE
4248 F535 A9 70
LDA
#$70
;24 BLANK LINES
4249 F537
20 17 F9 JSR STORE
4250 F53A A9 70 LDA #$70
4251 F53C 20 17 F9
JSR STORE
4252 F53F
A5 64 LDA ADRESS
iSAVE DISPLAY LIST ADDRESS
4253 F541 8D 30 02 STA
SDLSTL
4254 F544 AS 65
LDA ADRESS+l
4255 F546
80 31 02 STA SDLSTL+1