Apple II User Manual
2225 8F56 8E 38 A6 OUTCHT STX SCR8 ;PRESERVE X
2226 8F59 8C 39 A6 STY SCR9 ;DITTO Y
2227 8F5C 85 FC STA CHAR
2227 8F5C 85 FC STA CHAR
2228 8F5E A9 FF LDA #$FF ;USE FF W/SHIFTS TO COUNT BITS
2229 8F60 48 KIMBIT PHA ;SAVE BIT CTR
2229 8F60 48 KIMBIT PHA ;SAVE BIT CTR
2230 8F61 AD 02 A4 LDA TPOUT ;GET CURRENT OUTPUT LEVEL
2231 8F64 46 FC LSR CHAR ;GET DATA BIT IN CARRY
2231 8F64 46 FC LSR CHAR ;GET DATA BIT IN CARRY
2232 8F66 A2 12 LDX #18 ;ASSUME 'ONE'
2233 8F68 B0 02 BCS HF
2233 8F68 B0 02 BCS HF
2234 8F6A A2 24 LDX #36 ;BIT IS ZERO
2235 8F6C A0 19 HF LDY #25
2235 8F6C A0 19 HF LDY #25
2236 8F6E 49 08 EOR #TPBIT ;INVERT OUTPUT
2237 8F70 8D 02 A4 STA TPOUT
2237 8F70 8D 02 A4 STA TPOUT
2238 8F73 88 HFP1 DEY ;PAUSE FOR 138 USEC
2239 8F74 D0 FD BNE HFP1
2239 8F74 D0 FD BNE HFP1
2240 8F76 CA DEX ;COUNT HALF CYCS OF HF
2241 8F77 D0 F3 BNE HF
2241 8F77 D0 F3 BNE HF
2242 8F79 A2 18 LDX #24 ;ASSUME BIT IS ONE
2243 8F7B B0 02 BCS LF20
2243 8F7B B0 02 BCS LF20
2244 8F7D A2 0C LDX #12 ;BIT IS ZERO
2245 8F7F A0 27 LF20 LDY #39
2245 8F7F A0 27 LF20 LDY #39
2246 8F81 49 08 EOR #TPBIT ;INVERT OUTPUT
2247 8F83 8D 02 A4 STA TPOUT
2247 8F83 8D 02 A4 STA TPOUT
2248 8F86 88 LFP1 DEY ;PAUSE FOR 208 USEC
2249 8F87 D0 FD BNE LFP1
2249 8F87 D0 FD BNE LFP1
2250 8F89 CA DEX ;COUNT HALF CYCS
2251 8F8A D0 F3 BNE LF20
2251 8F8A D0 F3 BNE LF20
2252 8F8C 68 PLA ;RESTORE BIT CTR
2253 8F8D 0A ASL A ;DECREMENT IT
2253 8F8D 0A ASL A ;DECREMENT IT
2254 8F8E D0 D0 BNE KIMBIT ;FF SHIFTED 8X = 0
2255 8F90 AE 38 A6 LDX SCR8
2255 8F90 AE 38 A6 LDX SCR8
2256 8F93 AC 39 A6 LDY SCR9
2257 8F96 98 TYA ;RESTORE DATA BYTE
2257 8F96 98 TYA ;RESTORE DATA BYTE
2258 8F97 60 RTS
2259 8F98
2259 8F98
2260 8F98 FF FF .DB $FF,$FF ;NOT USED
2261 8F9A
2261 8F9A
2262 8F9A ; REGISTER NAME PATCH
2263 8F9A *=$8F9A
2263 8F9A *=$8F9A
2264 8F9A 53 .DB "S"
2265 8F9B 46 .DB "F"
2265 8F9B 46 .DB "F"
2266 8F9C 41 .DB "A"
2267 8F9D 58 .DB 'X'
2267 8F9D 58 .DB 'X'
2268 8F9E 59 .DB "Y"
2269 8F9F 01 .DB $01
2269 8F9F 01 .DB $01
2270 8FA0 ;
2271 8FA0 ;
2271 8FA0 ;
2272 8FA0 ;***
2273 8FA0 ;*** DEFAULT TABLE
2273 8FA0 ;*** DEFAULT TABLE
2274 8FA0 ;***
2275 8FA0 *=$8FA0
2275 8FA0 *=$8FA0
2276 8FA0 DFTBLK =*
2277 8FA0 00 C0 .DW $C000 ;BASIC *** JUMP TABLE
2277 8FA0 00 C0 .DW $C000 ;BASIC *** JUMP TABLE
2278 8FA2 A7 8B .DW TTY
2279 8FA4 64 8B .DW NEWDEV
2279 8FA4 64 8B .DW NEWDEV
2280 8FA6 00 00 .DW $0000 ;PAGE ZERO
2281 8FA8 00 02 .DW $0200
2281 8FA8 00 02 .DW $0200
2282 8FAA 00 03 .DW $0300
2283 8FAC 00 C8 .DW $C800
2283 8FAC 00 C8 .DW $C800
2284 8FAE 00 D0 .DW $D000
2285 8FB0 04 .DB $04 ;TAPE DELAY (9.0 SEC)
2285 8FB0 04 .DB $04 ;TAPE DELAY (9.0 SEC)
2286 8FB1 2C .DB $2C ;KIM TAPE BOUNDARY