Developer CD Series 1995 September: Reference Library

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File List | 1990-11-06 | 58.9 KB | 1,126 lines | [TEXT/MPS ]

MPW IIGS Assembler - Ver 1.1b1 06-Nov-90 Page 1 Copyright Apple Computer, Inc. 1987-1990 Loc SLoc Object Code Addr T M Source Statement ;******************************************************* ; ; Develop Code Samples. ; ; Written by Matt Gulick. Started October 16,1990 ; ;******************************************************* ;******************************************************* ; ; This file contains the code samples that are used in ; the Scanning From ProDOS article in DEVELOP. These ; code segments may be used freely by anyone. All ; code in this file assumes that we are running in an ; 8 bit Apple IIe. ; ;******************************************************* ;******************************************************* ; ; Revision History: ; ;******************************************************* ; Oct 16, 1990 File started. ; STRING PASCAL BLANKS OFF PAGESIZE 70 PRINT NOGEN PRINT NOMDIR MACHINE M65C02 MPW IIGS Assembler - Ver 1.1b1 06-Nov-90 Page 2 Copyright Apple Computer, Inc. 1987-1990 Loc SLoc Object Code Addr T M Source Statement ;******************************************************* ; ; CODE SAMPLE #1 ; ; This first code segment walks the slots starting at ; slot 7, looking first for a card of any kind. Once ; found, we check the ID bytes for a Smartport card. ; Once found we check the ID Type byte to see if it is ; a SCSI Card. If it passes all these tests, we then ; issue a Device $00 Status $00 call to further ensure ; that this is the Apple High-Speed SCSI Card. ; ;******************************************************* ; ; The following are Equates ; that will bee used in all ; the Sample Code Segments ; that follow. ; 0000 00C7 slot_7 equ $C7 0000 00C1 slot_1 equ $C1 0000 0042 My_ZPage equ $42 0000 C000 KBD equ $C000 ;Keyboard 0000 C00C CLR80VID equ $C00C ;Disable 80-column hardware 0000 C00D SET80VID equ $C00D ;Enable 80-column hardware 0000 C010 KBD_STRB equ $C010 ;Keyboard Strobe 0000 C018 RD80COL equ $C018 ;Read 80 Col. Mode 0000 C01A RDTEXT equ $C01A ;Read Text Mode 0000 C01B RDMIX equ $C01B ;Read Mix Mode 0000 C01C RDPAGE2 equ $C01C ;Read Page 2 setting 0000 C01D RDHIRES equ $C01D ;Read HiRes setting 0000 C050 TXTCLR equ $C050 ;Clear Text Mode 0000 C051 TXTSET equ $C051 ;Set Text Mode 0000 C052 MIXCLR equ $C052 ;Clear Mixed Mode 0000 C053 MIXSET equ $C053 ;Set Mixed Mode 0000 C054 TXTPAGE1 equ $C054 ;Set Text Page 1 0000 C055 TXTPAGE2 equ $C055 ;Set Text page 2 0000 C056 LORES equ $C056 ;Set LoRes Graphics 0000 C057 HIRES equ $C057 ;Set HiRes Graphics 0000 C05E CLRAN3 equ $C05E ;Clear annunciator 3 0000 C05F SETAN3 equ $C05F ;Set annunciator 3 0000 009B ESC equ $9B ;High bit set ASCII ESC Key 0000 0001 Blk_sig1 equ $01 0000 0003 Blk_sig2 equ $03 0000 0005 Blk_sig3 equ $05 0000 0007 SPort_sig equ $07 0000 00FB SPort_ID equ $FB 0000 0080 Ext_SPort equ %10000000 ;Bit 7 0000 0002 SCSI equ %00000010 ;Bit 2 0000 0000 No_Err equ $00 0000 0027 IO_Err equ $27 0000 0028 No_dev equ $28 ;******************************************************* EXPORT P8_Scanner 00000 0000 P8_Scanner PROC 00000 0000 ; 00000 0000 ; Main Code Segment. 00000 0000 ; 00000 0000 MPW IIGS Assembler - Ver 1.1b1 06-Nov-90 Page 3 Copyright Apple Computer, Inc. 1987-1990 Loc SLoc Object Code Addr T M Source Statement 00000 0000 20 FFFF 00018 6 jsr find_card 00003 0003 20 FFFF 000FA 6 jsr find_scanr 00006 0006 20 FFFF 0018E 6 jsr htone_filter 00009 0009 20 FFFF 001F5 6 jsr def_window 0000C 000C 20 FFFF 0027B 6 jsr start_scan 0000F 000F 20 FFFF 002CE 6 jsr get_data 00012 0012 20 FFFF 005C3 6 jsr display 00015 0015 90 E9 00000 2 bcc P8_Scanner 00017 0017 60 6 rts 00018 0018 00018 0018 ;******************************************************* 00018 0018 ; 00018 0018 ; CODE SAMPLE #1 00018 0018 ; 00018 0018 ; This first code segment walks the slots starting at 00018 0018 ; slot 7, looking first for a card of any kind. Once 00018 0018 ; found, we check the ID bytes for a Smartport card. 00018 0018 ; Once found we check the ID Type byte to see if it is 00018 0018 ; a SCSI Card. If it passes all these tests, we then 00018 0018 ; issue a Device $00 Status $00 call to further ensure 00018 0018 ; that this is the Apple High-Speed SCSI Card. 00018 0018 ; 00018 0018 ;******************************************************* 00018 0018 00018 0018 find_card 00018 0018 ; 00018 0018 ; Save the current Zero 00018 0018 ; Page values before 00018 0018 ; using them. 00018 0018 ; 00018 0018 A5 42 3 lda <My_ZPage 0001A 001A 48 3 pha 0001B 001B A5 43 3 lda <My_ZPage+1 0001D 001D 48 3 pha 0001E 001E ; 0001E 001E ; Start at Slot 7. 0001E 001E ; 0001E 001E A9 C7 2 lda #slot_7 00020 0020 85 43 3 sta <My_ZPage+1 ;Zero Page 00022 0022 8D FFFF 000AF 4 sta slot+1 ;For Safe keeping 00025 0025 64 42 3 stz <My_ZPage 00027 0027 9C FFFF 000AE 4 stz slot 0002A 002A ; 0002A 002A ; Is it a Smartport Card? 0002A 002A ; 0002A 002A A0 01 2 @chk_smart ldy #Blk_sig1 0002C 002C B1 42 5 lda (My_ZPage),y;Block_device Signature Byte 0002E 002E C9 20 2 cmp #$20 ;#1 = $20 00030 0030 D0 23 00055 2 bne @next_slot 00032 0032 00032 0032 A0 03 2 ldy #Blk_sig2 00034 0034 B1 42 5 lda (My_ZPage),y;Block_device Signature Byte 00036 0036 D0 1D 00055 2 bne @next_slot ;#2 = $00 00038 0038 00038 0038 A0 05 2 ldy #Blk_sig3 0003A 003A B1 42 5 lda (My_ZPage),y;Block_device Signature Byte 0003C 003C C9 03 2 cmp #$03 ;#3 = $03 0003E 003E D0 15 00055 2 bne @next_slot 00040 0040 00040 0040 A0 07 2 ldy #SPort_sig 00042 0042 B1 42 5 lda (My_ZPage),y;SmartPort Signature Byte 00044 0044 D0 0F 00055 2 bne @next_slot ;#1 = $00 00046 0046 ; 00046 0046 ; We have a Smartport 00046 0046 ; Device. Is it SCSI with 00046 0046 ; Extended SmartPort? 00046 0046 ; 00046 0046 A0 FB 2 ldy #SPort_ID 00048 0048 B1 42 5 lda (My_ZPage),y MPW IIGS Assembler - Ver 1.1b1 06-Nov-90 Page 4 Copyright Apple Computer, Inc. 1987-1990 Loc SLoc Object Code Addr T M Source Statement 0004A 004A 29 82 2 and #Ext_SPort+\ SCSI 0004C 004C C9 82 2 cmp #Ext_SPort+\ SCSI 0004E 004E D0 05 00055 2 bne @next_slot 00050 0050 ; 00050 0050 ; Is it an Apple High- 00050 0050 ; Speed SCSI Card? 00050 0050 ; 00050 0050 20 FFFF 0006E 6 jsr is_it_appl 00053 0053 90 0E 00063 2 bcc @exit 00055 0055 ; 00055 0055 ; Check the Next Slot. 00055 0055 ; 00055 0055 A5 43 3 @next_slot lda <My_ZPage+1 00057 0057 3A 2 dec a 00058 0058 85 43 3 sta <My_ZPage+1 0005A 005A 8D FFFF 000AF 4 sta slot+1 0005D 005D C9 C1 2 cmp #slot_1 0005F 005F B0 C9 0002A 2 bge @chk_smart 00061 0061 A9 28 2 lda #No_dev ;No Device Error 00063 0063 ; 00063 0063 ; Clean Exit 00063 0063 ; 00063 0063 AA 2 @exit tax 00064 0064 68 4 pla 00065 0065 85 43 3 sta <My_ZPage+1 00067 0067 68 4 pla 00068 0068 85 42 3 sta <My_ZPage 0006A 006A 8A 2 txa 0006B 006B 0006B 006B C9 01 2 cmp #$01 ;Set Carry if Non-Zero 0006D 006D 60 6 rts 0006E 006E ; 0006E 006E ; This routine determines 0006E 006E ; if the card is the new 0006E 006E ; High-Speed SCSI Card. 0006E 006E ; 0006E 006E A0 FF 2 is_it_appl ldy #$ff 00070 0070 B1 42 5 lda (My_ZPage),y 00072 0072 18 2 clc 00073 0073 69 03 2 adc #$03 ;Set Smartport Entry Address 00075 0075 8D FFFF 000B3 4 sta card_ntry 00078 0078 00078 0078 A5 43 3 lda <My_ZPage+1 0007A 007A 8D FFFF 000B4 4 sta card_ntry+1 0007D 007D 0007D 007D 20 FFFF 000B0 6 jsr call_card 00080 0080 00 dc.b $00 ;Status Call Command Number 00081 0081 00B5 dc.w stat_list1 00083 0083 ; 00083 0083 ; Check the Results 00083 0083 ; 00083 0083 AD FFFF 000BC 4 lda stat_data+2 ;Low Byte of Vendor ID 00086 0086 C9 01 2 cmp #$01 ;Must be $01 00088 0088 D0 12 0009C 2 bne @non_apple 0008A 008A 0008A 008A AD FFFF 000BD 4 lda stat_data+3 ;High Byte of Vendor ID 0008D 008D D0 0D 0009C 2 bne @non_apple ;Must be $00 0008F 008F 0008F 008F AD FFFF 000BE 4 lda stat_data+4 ;Low Byte of Version 00092 0092 D0 08 0009C 2 bne @non_apple ;Should be Null 00094 0094 00094 0094 AD FFFF 000BF 4 lda stat_data+5 ;High Byte of Version 00097 0097 D0 03 0009C 2 bne @non_apple ;Should be Null 00099 0099 00099 0099 18 2 clc ;Acc. 0 by previous LDA 0009A 009A 80 03 0009F 3 bra @done 0009C 009C MPW IIGS Assembler - Ver 1.1b1 06-Nov-90 Page 5 Copyright Apple Computer, Inc. 1987-1990 Loc SLoc Object Code Addr T M Source Statement 0009C 009C A9 28 2 @non_apple lda #No_dev ;Device not found. 0009E 009E 38 2 sec 0009F 009F ; 0009F 009F ; Restore ZPage 0009F 009F ; 0009F 009F 48 3 @done pha 000A0 00A0 08 3 php 000A1 00A1 AD FFFF 000AE 4 lda slot 000A4 00A4 85 42 3 sta <My_ZPage 000A6 00A6 AD FFFF 000AF 4 lda slot+1 000A9 00A9 85 43 3 sta <My_ZPage+1 000AB 00AB 28 4 plp 000AC 00AC 68 4 pla 000AD 00AD 60 6 rts 000AE 00AE 000AE 00AE 0000 slot dc.w $0000 000B0 00B0 000B0 00B0 ;******************************************************* 000B0 00B0 000B0 00B0 6C FFFF 5 call_card jmp (card_ntry) 000B3 00B3 000B3 00B3 0000 card_ntry dc.w $0000 000B5 00B5 000B5 00B5 ;******************************************************* 000B5 00B5 000B5 00B5 03 stat_list1 dc.b $03 ;PCount = 3 000B6 00B6 00 dc.b $00 ;Device = Card 000B7 00B7 00BA dc.w stat_data ;Data returned here 000B9 00B9 00 dc.b $00 ;Get Host Status Call 000BA 00BA 000BA 00BA ;******************************************************* 000BA 00BA 000BA 00BA 000000000000 stat_data dcb.b 64,0 ;Our Buffer. 000FA 00FA 000FA 00FA ;******************************************************* 000FA 00FA ; 000FA 00FA ; CODE SAMPLE #2 000FA 00FA ; 000FA 00FA ; This code segment walks the unit numbers from the 000FA 00FA ; SCSI Card starting at unit 2 and going to unit 0 to 000FA 00FA ; get the actual unit number count. Once this is 000FA 00FA ; done, we start at unit 1 and walk forward until we 000FA 00FA ; find the scanner. 000FA 00FA ; 000FA 00FA ;******************************************************* 000FA 00FA 000FA 00FA find_scanr 000FA 00FA ; 000FA 00FA ; First we issue a 000FA 00FA ; Status call to device 000FA 00FA ; number 2. This will 000FA 00FA ; force the card to 000FA 00FA ; build its tables if it 000FA 00FA ; has not yet done so. 000FA 00FA ; 000FA 00FA A9 02 2 lda #$02 000FC 00FC 8D FFFF 00171 4 sta dev_num2 000FF 00FF 9C FFFF 00174 4 stz stat_code2 00102 0102 00102 0102 20 00B0 000B0 6 jsr call_card 00105 0105 00 dc.b $00 00106 0106 0170 dc.w stat_list2 00108 0108 B0 4F 00159 2 bcs @error 0010A 010A ; 0010A 010A ; Now call Unit 0 to 0010A 010A ; find out the total 0010A 010A ; device count. 0010A 010A ; 0010A 010A 9C FFFF 00171 4 stz dev_num2 MPW IIGS Assembler - Ver 1.1b1 06-Nov-90 Page 6 Copyright Apple Computer, Inc. 1987-1990 Loc SLoc Object Code Addr T M Source Statement 0010D 010D 20 00B0 000B0 6 jsr call_card 00110 0110 00 dc.b $00 ;Status Call Command Number 00111 0111 0170 dc.w stat_list2 00113 0113 B0 44 00159 2 bcs @error 00115 0115 00115 0115 AD FFFF 00175 4 lda stat_data2 ;Get the Total Device 00118 0118 8D FFFF 0016E 4 sta dev_count ;Count 0011B 011B 0011B 011B A9 03 2 lda #$03 ;Set up for DIB Status 0011D 011D 8D FFFF 00174 4 sta stat_code2 ;Calls 00120 0120 00120 0120 AD FFFF 00171 4 @loop lda dev_num2 ;First time we increment 00123 0123 CD FFFF 0016E 4 cmp dev_count ;a zero giving a device 00126 0126 B0 31 00159 2 bge @error ;number of 1. 00128 0128 00128 0128 EE FFFF 00171 6 inc dev_num2 0012B 012B 20 00B0 000B0 6 jsr call_card 0012E 012E 00 dc.b $00 ;Status Call Command Number 0012F 012F 0170 dc.w stat_list2 00131 0131 B0 26 00159 2 bcs @error 00133 0133 00133 0133 AD FFFF 0018A 4 lda d_type 00136 0136 C9 08 2 cmp #$08 ;Is it Type = Scanner? 00138 0138 D0 E6 00120 2 bne @loop ;No. 0013A 013A 0013A 013A AD FFFF 0018B 4 lda d_stype 0013D 013D C9 A0 2 cmp #$A0 ;Subtype = $A0? 0013F 013F D0 DF 00120 2 bne @loop ;No 00141 0141 ; 00141 0141 ; Scan string is a Pascal 00141 0141 ; String. A length byte 00141 0141 ; followed by ASCII. We 00141 0141 ; want to make sure they 00141 0141 ; are both the same length 00141 0141 ; as well as the same text. 00141 0141 ; 00141 0141 AE FFFF 00179 4 ldx id_str_len 00144 0144 BD FFFF 4 @str_loop lda id_str_len,x 00147 0147 DD FFFF 4 cmp scan_str,x 0014A 014A D0 D4 00120 2 bne @loop 0014C 014C CA 2 dex 0014D 014D D0 F5 00144 2 bne @str_loop 0014F 014F 0014F 014F AD FFFF 00171 4 lda dev_num2 ;We have our Scanner 00152 0152 8D FFFF 0016F 4 sta scan_dnum 00155 0155 A9 00 2 lda #No_Err 00157 0157 18 2 clc 00158 0158 60 6 rts 00159 0159 00159 0159 A9 28 2 @error lda #No_dev ;Device not found. 0015B 015B 38 2 sec 0015C 015C 60 6 rts 0015D 015D 0015D 015D ;******************************************************* 0015D 015D 0015D 015D 104150504C45 scan_str dc.b 'APPLE SCANNER ' ;4 Spaces between 0016E 016E ;1 Sace after 0016E 016E 00 dev_count dc.b $00 0016F 016F 0016F 016F ;******************************************************* 0016F 016F 0016F 016F 00 scan_dnum dc.b $00 ;Scanner Device Number 00170 0170 00170 0170 ;******************************************************* 00170 0170 00170 0170 03 stat_list2 dc.b $03 ;PCount = 3 00171 0171 00 dev_num2 dc.b $00 ;Device number 00172 0172 0175 dc.w stat_data2 ;Data returned here 00174 0174 00 stat_code2 dc.b $00 ;Status Code MPW IIGS Assembler - Ver 1.1b1 06-Nov-90 Page 7 Copyright Apple Computer, Inc. 1987-1990 Loc SLoc Object Code Addr T M Source Statement 00175 0175 00175 0175 ;******************************************************* 00175 0175 00175 0175 stat_data2 ;Our Buffer. Used over. 00175 0175 00 d_stat dc.b $00 ;Device Status Byte 00176 0176 00 blk_low dc.b $00 ;Block Count (Low) 00177 0177 00 blk_mid dc.b $00 ;Block Count (Mid) 00178 0178 00 blk_hi dc.b $00 ;Block Count (High) 00179 0179 00 id_str_len dc.b $00 ;ID String Length 0017A 017A 000000000000 id_str dcb.b 16,$00 ;ID STring (16 Bytes) 0018A 018A 00 d_type dc.b $00 ;Device Type 0018B 018B 00 d_stype dc.b $00 ;Device Subtype 0018C 018C 0000 d_version dc.w $00 ;Version Word 0018E 018E 0018E 018E ;******************************************************* 0018E 018E ; 0018E 018E ; CODE SAMPLE #3 0018E 018E ; 0018E 018E ; This code segment issues an Apple Scanner SEND 0018E 018E ; Command by using the Apple SCSI Card Generic SCSI 0018E 018E ; call ($2B). By so doing we can send our halftone 0018E 018E ; filter to the Scanner. 0018E 018E ; 0018E 018E ;******************************************************* 0018E 018E 0018E 018E htone_filter 0018E 018E ; 0018E 018E ; Issue the Call 0018E 018E ; 0018E 018E AD 016F 0016F 4 lda scan_dnum 00191 0191 8D FFFF 0019C 4 sta dev_num3 00194 0194 00194 0194 20 00B0 000B0 6 jsr call_card 00197 0197 04 dc.b $04 ;Control Call Command Number 00198 0198 019B dc.w cmd_list3 0019A 019A 60 6 rts 0019B 019B 0019B 019B ;******************************************************* 0019B 019B 0019B 019B 03 cmd_list3 dc.b $03 ;PCount = 3 0019C 019C 04 dev_num3 dc.b $04 ;Device number 0019D 019D 01A0 dc.w filter_data ;Pointer to data 0019F 019F 2B dc.b $2B ;Control Code 001A0 01A0 001A0 01A0 ;******************************************************* 001A0 01A0 001A0 01A0 filter_data ;Our Data 001A0 01A0 0018 dc.w 24 ;Total Length of Parms 001A2 01A2 000001BA dc.l send_fltr ;CDB Pointer (Long) 001A6 01A6 000001C4 dc.l DCData3 ;DCMove Ptr (Long) 001AA 01AA 00000000 dc.l $00000000 ;Rqst Sense Ptr (Long) 001AE 01AE 00 dc.b $00 ;Reserved 001AF 01AF 00 dc.b $00 ;SCSI Status 001B0 01B0 00 dc.b $00 ;Command Count 001B1 01B1 00000011 dc.l $00000011 ;Trans Count (Long) 001B5 01B5 00 dc.b $00 ;DMA Mode 001B6 01B6 00000000 dc.l $00000000 ;Reserved (Long) 001BA 01BA 001BA 01BA ;******************************************************* 001BA 01BA 001BA 01BA 2A send_fltr dc.b $2A ;Scanner SEND Command 001BB 01BB 00 dc.b $00 ;Reserved 001BC 01BC 02 dc.b $02 ;Transfer Type 001BD 01BD 00 dc.b $00 ;Reserved 001BE 01BE 00 dc.b $00 ;Reserved 001BF 01BF 02 dc.b $02 ;Transfer ID Byte 001C0 01C0 00 dc.b $00 ;Reserved 001C1 01C1 00 dc.b $00 ;Transfer Length (High) 001C2 01C2 11 dc.b $11 ;Transfer Length (Low) MPW IIGS Assembler - Ver 1.1b1 06-Nov-90 Page 8 Copyright Apple Computer, Inc. 1987-1990 Loc SLoc Object Code Addr T M Source Statement 001C3 01C3 00 dc.b $00 ;Reserved 001C4 01C4 001C4 01C4 ;******************************************************* 001C4 01C4 001C4 01C4 000001E4 DCData3 dc.l send_data ;Scanner SEND Data Ptr 001C8 01C8 00000011 dc.l $00000011 ;Transfer Count 001CC 01CC 00000000 dc.l $00000000 ;Offset 001D0 01D0 00000000 dc.l $00000000 ;Reserved 001D4 01D4 001D4 01D4 00000000 dc.l $00000000 ;DCStop 001D8 01D8 00000000 dc.l $00000000 ;Reserved 001DC 01DC 00000000 dc.l $00000000 ;Reserved 001E0 01E0 00000000 dc.l $00000000 ;Reserved 001E4 01E4 001E4 01E4 ;******************************************************* 001E4 01E4 001E4 01E4 44 send_data dc.b $44 ;4 X 4 Matrix Size 001E5 01E5 08 dc.b $08 ;Pel 0 001E6 01E6 88 dc.b $88 ;Pel 1 001E7 01E7 28 dc.b $28 ;Pel 2 001E8 01E8 A8 dc.b $A8 ;Pel 3 001E9 01E9 C8 dc.b $C8 ;Pel 4 001EA 01EA 48 dc.b $48 ;Pel 5 001EB 01EB E8 dc.b $E8 ;Pel 6 001EC 01EC 68 dc.b $68 ;Pel 7 001ED 01ED 38 dc.b $38 ;Pel 8 001EE 01EE B8 dc.b $B8 ;Pel 9 001EF 01EF 18 dc.b $18 ;Pel 10 001F0 01F0 98 dc.b $98 ;Pel 11 001F1 01F1 F8 dc.b $F8 ;Pel 12 001F2 01F2 78 dc.b $78 ;Pel 13 001F3 01F3 D8 dc.b $D8 ;Pel 14 001F4 01F4 58 dc.b $58 ;Pel 15 001F5 01F5 001F5 01F5 ;******************************************************* 001F5 01F5 ; 001F5 01F5 ; CODE SAMPLE #4 001F5 01F5 ; 001F5 01F5 ; This code segment issues an Apple Scanner Define 001F5 01F5 ; Window Parameters Command by using the Apple SCSI 001F5 01F5 ; Card Generic SCSI call ($2B). This command defines 001F5 01F5 ; the area of the scanner glass we want to scan 001F5 01F5 ; 001F5 01F5 ;******************************************************* 001F5 01F5 001F5 01F5 def_window 001F5 01F5 ; 001F5 01F5 ; Issue the Call 001F5 01F5 ; 001F5 01F5 AD 016F 0016F 4 lda scan_dnum 001F8 01F8 8D FFFF 00203 4 sta dev_num4 001FB 01FB 001FB 01FB 20 00B0 000B0 6 jsr call_card 001FE 01FE 04 dc.b $04 ;Control Call Command Number 001FF 01FF 0202 dc.w cmd_list4 00201 0201 60 6 rts 00202 0202 00202 0202 ;******************************************************* 00202 0202 00202 0202 03 cmd_list4 dc.b $03 ;PCount = 3 00203 0203 00 dev_num4 dc.b $00 ;Device number 00204 0204 0207 dc.w def_wndo ;Pointer to data 00206 0206 2B dc.b $2B ;Control Code 00207 0207 00207 0207 ;******************************************************* 00207 0207 00207 0207 def_wndo ;Our Data 00207 0207 0018 dc.w 24 ;Total Length of Parms 00209 0209 00000221 dc.l def_wnd_cmd ;CDB Pointer (Long) MPW IIGS Assembler - Ver 1.1b1 06-Nov-90 Page 9 Copyright Apple Computer, Inc. 1987-1990 Loc SLoc Object Code Addr T M Source Statement 0020D 020D 0000022B dc.l DCData4 ;DCMove Ptr (Long) 00211 0211 00000000 dc.l $00000000 ;Rqst Sense Ptr (Long) 00215 0215 00 dc.b $00 ;Reserved 00216 0216 00 dc.b $00 ;SCSI Status 00217 0217 00 dc.b $00 ;Command Count 00218 0218 00000030 dc.l 8+40 ;Trans Count (Long) 0021C 021C 00 dc.b $00 ;DMA Mode 0021D 021D 00000000 dc.l $00000000 ;Reserved (Long) 00221 0221 00221 0221 ;******************************************************* 00221 0221 00221 0221 24 def_wnd_cmd dc.b $24 ;Scanner Define Window 00222 0222 ;Parameters Command 00222 0222 00 dc.b $00 ;Reserved 00223 0223 00 dc.b $00 ;Reserved 00224 0224 00 dc.b $00 ;Reserved 00225 0225 00 dc.b $00 ;Reserved 00226 0226 00 dc.b $00 ;Reserved 00227 0227 00 dc.b $00 ;Transfer Length (High) 00228 0228 00 dc.b $00 ;Transfer Length (Mid) 00229 0229 30 dc.b 8+40 ;Transfer Length (Low) 0022A 022A 80 dc.b $80 ;Apple Bit 0022B 022B 0022B 022B ;******************************************************* 0022B 022B 0022B 022B 0000024B DCData4 dc.l wndo_data ;Scanner Window Data Ptr 0022F 022F 00000030 dc.l 8+40 ;Transfer Count 00233 0233 00000000 dc.l $00000000 ;Offset 00237 0237 00000000 dc.l $00000000 ;Reserved 0023B 023B 0023B 023B 00000000 dc.l $00000000 ;DCStop 0023F 023F 00000000 dc.l $00000000 ;Reserved 00243 0243 00000000 dc.l $00000000 ;Reserved 00247 0247 00000000 dc.l $00000000 ;Reserved 0024B 024B 0024B 024B ;******************************************************* 0024B 024B ; NOTE: Remember that all values that are longer than 0024B 024B ; 1 byte are in reversed order from natice 65xxx code. 0024B 024B ;******************************************************* 0024B 024B 0024B 024B 000000000000 wndo_data dcb.b 6,$00 ;Reserved 00251 0251 00 dc.b $00 ;Transfer Length (High) 00252 0252 28 dc.b 40 ;Transfer Length (Low) 00253 0253 00253 0253 01 dc.b $01 ;Window Identifier 00254 0254 00 dc.b $00 ;Reserved 00255 0255 00255 0255 00 dc.b $00 ;X Resolution (High) 00256 0256 4B dc.b 75 ;X Resolution (Low) 00257 0257 00257 0257 00 dc.b $00 ;Y Resolution (High) 00258 0258 4B dc.b 75 ;Y Resolution (Low) 00259 0259 ; 00259 0259 ; We will use the corner as 00259 0259 ; Our Upper Left Possition. 00259 0259 ; This is at coordinate 0,0 00259 0259 ; 00259 0259 00 dc.b $00 ;Upper Left X (High) 0025A 025A 00 dc.b $00 ;Upper Left X (Mid High) 0025B 025B 00 dc.b $00 ;Upper Left X (Mid Low) 0025C 025C 00 dc.b $00 ;Upper Left X (Low) 0025D 025D 0025D 025D 00 dc.b $00 ;Upper Left Y (High) 0025E 025E 00 dc.b $00 ;Upper Left Y (Mid High) 0025F 025F 00 dc.b $00 ;Upper Left Y (Mid Low) 00260 0260 00 dc.b $00 ;Upper Left Y (Low) 00261 0261 ; 00261 0261 ; Width is defined as the number 00261 0261 ; of 1/1200-inch increments on MPW IIGS Assembler - Ver 1.1b1 06-Nov-90 Page 10 Copyright Apple Computer, Inc. 1987-1990 Loc SLoc Object Code Addr T M Source Statement 00261 0261 ; the horizontal axis; must be on 00261 0261 ; a byte boundry for both the 00261 0261 ; start and end points. We will 00261 0261 ; set for 4 Inches and drop the 00261 0261 ; extra. 00261 0261 ; 00261 0261 00 dc.b $00 ;Width (High) 00262 0262 00 dc.b $00 ;Width (Mid High) 00263 0263 12 dc.b 4*1200/256 ;Width (Mid Low) 00264 0264 C0 dc.b 4*1200 ;Width (Low) 00265 0265 ; 00265 0265 ; Length is defined as the number 00265 0265 ; of 1/1200-inch increments on the 00265 0265 ; vertical axis. We want ≈ 2 1/2 00265 0265 ; inches or 3072 increments 00265 0265 ; 00265 0265 00 dc.b $00 ;Length (High) 00266 0266 00 dc.b $00 ;Length (Mid High) 00267 0267 0C dc.b 3072/256 ;Length (Mid Low) 00268 0268 00 dc.b 3072 ;Length (Low) 00269 0269 00269 0269 80 dc.b $80 ;Median Brightness 0026A 026A 80 dc.b $80 ;Median Threshold 0026B 026B 80 dc.b $80 ;Median Contrast 0026C 026C 0026C 026C 01 dc.b $01 ;Image Composition (Halftone) 0026D 026D 01 dc.b $01 ;Bits per Pixel 0026E 026E 0026E 026E 00 dc.b $00 ;Halftone Mask Always $00 (High) 0026F 026F 02 dc.b $02 ;Downloaded Mask Pattern (Low) 00270 0270 00270 0270 03 dc.b $03 ;Padding Type 00271 0271 0000 dcb.b 2,$00 ;Reserved 00273 0273 00 dc.b $00 ;Compression Type (None) 00274 0274 000000000000 dcb.b 7,$00 ;Scanner Ref. is wrong. Says 5. 0027B 027B 0027B 027B ;******************************************************* 0027B 027B ; 0027B 027B ; CODE SAMPLE #5 0027B 027B ; 0027B 027B ; This code segment issues an Apple Scanner SCAN 0027B 027B ; Command by using the Apple SCSI Card Generic SCSI 0027B 027B ; call ($2B). This starts the actual scanning. 0027B 027B ; 0027B 027B ;******************************************************* 0027B 027B 0027B 027B start_scan 0027B 027B ; 0027B 027B ; Issue the Call 0027B 027B ; 0027B 027B AD 016F 0016F 4 lda scan_dnum 0027E 027E 8D FFFF 00289 4 sta dev_num5 00281 0281 00281 0281 20 00B0 000B0 6 jsr call_card 00284 0284 04 dc.b $04 ;Control Call Command Number 00285 0285 0288 dc.w cmd_list5 00287 0287 60 6 rts 00288 0288 00288 0288 ;******************************************************* 00288 0288 00288 0288 03 cmd_list5 dc.b $03 ;PCount = 3 00289 0289 00 dev_num5 dc.b $00 ;Device number 0028A 028A 028D dc.w scan_cmd ;Pointer to data 0028C 028C 2B dc.b $2B ;Control Code 0028D 028D 0028D 028D ;******************************************************* 0028D 028D 0028D 028D scan_cmd ;Our Data 0028D 028D 0018 dc.w 24 ;Total Length of Parms MPW IIGS Assembler - Ver 1.1b1 06-Nov-90 Page 11 Copyright Apple Computer, Inc. 1987-1990 Loc SLoc Object Code Addr T M Source Statement 0028F 028F 000002A7 dc.l do_scan ;CDB Pointer (Long) 00293 0293 000002AD dc.l DCData5 ;DCMove Ptr (Long) 00297 0297 00000000 dc.l $00000000 ;Rqst Sense Ptr (Long) 0029B 029B 00 dc.b $00 ;Reserved 0029C 029C 00 dc.b $00 ;SCSI Status 0029D 029D 00 dc.b $00 ;Command Count 0029E 029E 00000001 dc.l $00000001 ;Trans Count (Long) 002A2 02A2 00 dc.b $00 ;DMA Mode 002A3 02A3 00000000 dc.l $00000000 ;Reserved (Long) 002A7 02A7 002A7 02A7 ;******************************************************* 002A7 02A7 002A7 02A7 1B do_scan dc.b $1B ;SCAN 002A8 02A8 ;Parameters Command 002A8 02A8 000000 dcb.b 3,$00 ;Reserved 002AB 02AB 01 dc.b 1 ;Transfer Length (Low) 002AC 02AC 00 dc.b $00 ;Wait and Home Bits = 0 002AD 02AD 002AD 02AD ;******************************************************* 002AD 02AD 002AD 02AD 000002CD DCData5 dc.l window_ID ;Scanner Window Data Ptr 002B1 02B1 00000001 dc.l 1 ;Transfer Count 002B5 02B5 00000000 dc.l $00000000 ;Offset 002B9 02B9 00000000 dc.l $00000000 ;Reserved 002BD 02BD 002BD 02BD 00000000 dc.l $00000000 ;DCStop 002C1 02C1 00000000 dc.l $00000000 ;Reserved 002C5 02C5 00000000 dc.l $00000000 ;Reserved 002C9 02C9 00000000 dc.l $00000000 ;Reserved 002CD 02CD 002CD 02CD ;******************************************************* 002CD 02CD 002CD 02CD 01 window_ID dc.b $01 ;Window Identifier 002CE 02CE 002CE 02CE ;******************************************************* 002CE 02CE ; 002CE 02CE ; CODE SAMPLE #6 002CE 02CE ; 002CE 02CE ; This code segment issues a series of calls to the 002CE 02CE ; Apple Scanner by using the Apple SCSI Card Generic 002CE 02CE ; SCSI call ($2B). We first issue a GET DATA STATUS 002CE 02CE ; to see if there is enough data. Then we read in a 002CE 02CE ; single Scan Line with a READ Call. The data is then 002CE 02CE ; converted and placed in a video buffer. 002CE 02CE ; 002CE 02CE ;******************************************************* 002CE 02CE 002CE 02CE get_data 002CE 02CE 9C FFFF 00338 4 stz scan_line ;Init the scanline to 0 002D1 02D1 ; 002D1 02D1 ; Issue the Call 002D1 02D1 ; 002D1 02D1 AD 016F 0016F 4 @get_data2 lda scan_dnum 002D4 02D4 8D FFFF 00365 4 sta dev_num6 002D7 02D7 8D FFFF 0036A 4 sta dev_num65 002DA 02DA 002DA 02DA 20 00B0 000B0 6 jsr call_card 002DD 02DD 04 dc.b $04 ;Control Call Command Number 002DE 02DE 0364 dc.w cmd_list6 002E0 02E0 B0 52 00334 2 bcs @out 002E2 02E2 ; 002E2 02E2 ; Is there enough Data? 002E2 02E2 ; Enough data = 1 scan 002E2 02E2 ; line of 4 inches at 75 002E2 02E2 ; DPI or 300 pixels. At 002E2 02E2 ; 8 pixels per byte, the 002E2 02E2 ; data will be padded to 002E2 02E2 ; 38 bytes. 002E2 02E2 ; MPW IIGS Assembler - Ver 1.1b1 06-Nov-90 Page 12 Copyright Apple Computer, Inc. 1987-1990 Loc SLoc Object Code Addr T M Source Statement 002E2 02E2 AD FFFF 003FF 4 lda scan_data 002E5 02E5 D0 0C 002F3 2 bne @have_line 002E7 02E7 AD FFFF 00400 4 lda scan_data+1 002EA 02EA D0 07 002F3 2 bne @have_line 002EC 02EC AD FFFF 00401 4 lda scan_data+2 002EF 02EF C9 26 2 cmp #38 ;Decimal 38 002F1 02F1 90 DB 002CE 2 blt get_data 002F3 02F3 ; 002F3 02F3 ; We have the data. Read 002F3 02F3 ; it. 002F3 02F3 ; 002F3 02F3 20 00B0 000B0 6 @have_line jsr call_card 002F6 02F6 04 dc.b $04 ;Control Call Command Number 002F7 02F7 0369 dc.w cmd_list65 002F9 02F9 B0 39 00334 2 bcs @out 002FB 02FB ; 002FB 02FB ; Now we need to invert 002FB 02FB ; the data. 002FB 02FB ; 002FB 02FB A9 28 2 lda #40 ;40 bytes/line 002FD 02FD 8D FFFF 00339 4 sta byte_count 00300 0300 9C FFFF 0033A 4 stz byte_index 00303 0303 A9 07 2 @loop_1 lda #$07 00305 0305 8D FFFF 0033B 4 sta seven ;Pixels/byte 00308 0308 A2 24 2 @loop_2 ldx #38-2 0030A 030A 0E FFFF 00427 6 asl raw_image+37;Shift bits out the top to 0030D 030D 3E FFFF 7 @loop_3 rol raw_image,x ;the next byte 1 at a time 00310 0310 CA 2 dex 00311 0311 10 FA 0030D 2 bpl @loop_3 00313 0313 AE FFFF 0033A 4 ldx byte_index ;Shift the last bit in to 00316 0316 7E FFFF 7 ror screen,x ;this byte. This reverses the 00319 0319 CE FFFF 0033B 6 dec seven ;bit ordering. Also taking 8 0031C 031C D0 EA 00308 2 bne @loop_2 ;bits per byte down to 7 0031E 031E 5E FFFF 7 lsr screen,x 00321 0321 EE FFFF 0033A 6 inc byte_index 00324 0324 CE FFFF 00339 6 dec byte_count 00327 0327 D0 DA 00303 2 bne @loop_1 00329 0329 ; 00329 0329 ; Move data to Scan Line 00329 0329 ; 00329 0329 AE FFFF 00338 4 ldx scan_line 0032C 032C 20 FFFF 00428 6 jsr on_screen 0032F 032F EE FFFF 00338 6 inc scan_line 00332 0332 80 9D 002D1 3 bra @get_data2 00334 0334 00334 0334 A9 00 2 @out lda #$00 00336 0336 18 2 clc 00337 0337 60 6 rts 00338 0338 00338 0338 ;******************************************************* 00338 0338 00338 0338 00 scan_line dc.b $00 ;Scan Line Index 00339 0339 00 byte_count dc.b $00 ;Number of bytes left 0033A 033A 00 byte_index dc.b $00 ;Current Byte in use 0033B 033B 00 seven dc.b $00 ;Count off 7 pixels 0033C 033C 000000000000 screen dcb.b 40,0 ;Place to do the screen 00364 0364 00364 0364 ;******************************************************* 00364 0364 00364 0364 03 cmd_list6 dc.b $03 ;PCount = 3 00365 0365 00 dev_num6 dc.b $00 ;Device number 00366 0366 036E dc.w gd_status ;Pointer to data 00368 0368 2B dc.b $2B ;Control Code 00369 0369 00369 0369 03 cmd_list65 dc.b $03 ;PCount = 3 0036A 036A 00 dev_num65 dc.b $00 ;Device number 0036B 036B 0388 dc.w read ;Pointer to data 0036D 036D 2B dc.b $2B ;Control Code 0036E 036E MPW IIGS Assembler - Ver 1.1b1 06-Nov-90 Page 13 Copyright Apple Computer, Inc. 1987-1990 Loc SLoc Object Code Addr T M Source Statement 0036E 036E ;******************************************************* 0036E 036E 0036E 036E gd_status ;Our Data 0036E 036E 0018 dc.w 24 ;Total Length of Parms 00370 0370 000003A2 dc.l get_stat ;CDB Pointer (Long) 00374 0374 000003B6 dc.l DCData6 ;DCMove Ptr (Long) 00378 0378 00000000 dc.l $00000000 ;Rqst Sense Ptr (Long) 0037C 037C 00 dc.b $00 ;Reserved 0037D 037D 00 dc.b $00 ;SCSI Status 0037E 037E 00 dc.b $00 ;Command Count 0037F 037F 0000000C dc.l $0000000C ;Trans Count (Long) 00383 0383 00 dc.b $00 ;DMA Mode 00384 0384 00000000 dc.l $00000000 ;Reserved (Long) 00388 0388 00388 0388 read ;Our Data 00388 0388 0018 dc.w 24 ;Total Length of Parms 0038A 038A 000003AC dc.l get_data2 ;CDB Pointer (Long) 0038E 038E 000003D6 dc.l DCData65 ;DCMove Ptr (Long) 00392 0392 00000000 dc.l $00000000 ;Rqst Sense Ptr (Long) 00396 0396 00 dc.b $00 ;Reserved 00397 0397 00 dc.b $00 ;SCSI Status 00398 0398 00 dc.b $00 ;Command Count 00399 0399 00000026 dc.l $00000026 ;Trans Count (Long) 0039D 039D 00 dc.b $00 ;DMA Mode 0039E 039E 00000000 dc.l $00000000 ;Reserved (Long) 003A2 03A2 003A2 03A2 ;******************************************************* 003A2 03A2 003A2 03A2 34 get_stat dc.b $34 ;GET DATA STATUS 003A3 03A3 ;Parameters Command 003A3 03A3 000000000000 dcb.b 7,$00 ;Reserved 003AA 03AA 0C dc.b 12 ;Transfer Length (Low) 003AB 03AB 00 dc.b $00 ;Wait and Home Bits = 0 003AC 03AC 003AC 03AC 28 get_data2 dc.b $28 ;READ 003AD 03AD ;Parameters Command 003AD 03AD 00000000 dcb.b 4,$00 ;Reserved 003B1 03B1 01 dc.b $01 ;Window ID 003B2 03B2 00 dc.b $00 ;Transfer Length (High) 003B3 03B3 00 dc.b $00 ;Transfer Length (Mid) 003B4 03B4 26 dc.b $26 ;Transfer Length (Low) 003B5 03B5 00 dc.b $00 ;Wait and Home Bits = 0 003B6 03B6 003B6 03B6 ;******************************************************* 003B6 03B6 003B6 03B6 000003F6 DCData6 dc.l data_cnt ;Data Pointer 003BA 03BA 0000000C dc.l 12 ;Transfer Count 003BE 03BE 00000000 dc.l $00000000 ;Offset 003C2 03C2 00000000 dc.l $00000000 ;Reserved 003C6 03C6 003C6 03C6 00000000 dc.l $00000000 ;DCStop 003CA 03CA 00000000 dc.l $00000000 ;Reserved 003CE 03CE 00000000 dc.l $00000000 ;Reserved 003D2 03D2 00000000 dc.l $00000000 ;Reserved 003D6 03D6 003D6 03D6 00000402 DCData65 dc.l raw_image ;Data Pointer 003DA 03DA 00000026 dc.l 38 ;Transfer Count 003DE 03DE 00000000 dc.l $00000000 ;Offset 003E2 03E2 00000000 dc.l $00000000 ;Reserved 003E6 03E6 003E6 03E6 00000000 dc.l $00000000 ;DCStop 003EA 03EA 00000000 dc.l $00000000 ;Reserved 003EE 03EE 00000000 dc.l $00000000 ;Reserved 003F2 03F2 00000000 dc.l $00000000 ;Reserved 003F6 03F6 003F6 03F6 ;******************************************************* 003F6 03F6 003F6 03F6 data_cnt ;Data Space 003F6 03F6 0000 dcb.b 2,$00 ;Reserved MPW IIGS Assembler - Ver 1.1b1 06-Nov-90 Page 14 Copyright Apple Computer, Inc. 1987-1990 Loc SLoc Object Code Addr T M Source Statement 003F8 03F8 00 dc.b $00 ;Data Length 003F9 03F9 00 dc.b $00 ;Block 003FA 03FA 00 dc.b $00 ;Window Identifier 003FB 03FB 00000000 dcb.b 4,$00 ;Reserved 003FF 03FF 00 scan_data dc.b $00 ;Scan Data (High) 00400 0400 00 dc.b $00 ;Scan Data (Mid) 00401 0401 00 dc.b $00 ;Scan Data (Low) 00402 0402 00402 0402 000000000000 raw_image dcb.b 38,$00 ;Scanned Data Image 00428 0428 00428 0428 ;******************************************************* 00428 0428 00428 0428 BD FFFF 4 on_screen lda scan_tbl_lo,x 0042B 042B 85 42 3 sta <$42 0042D 042D BD FFFF 4 lda scan_tbl_hi,x 00430 0430 85 43 3 sta <$43 00432 0432 A2 27 2 ldx #40-1 00434 0434 A0 27 2 ldy #40-1 00436 0436 BD 033C 4 @loop lda screen,x 00439 0439 49 7F 2 eor #$7f 0043B 043B 91 42 6 sta ($42),y 0043D 043D CA 2 dex 0043E 043E 88 2 dey 0043F 043F 10 F5 00436 2 bpl @loop 00441 0441 00441 0441 18 2 clc 00442 0442 60 6 rts 00443 0443 00443 0443 000000000000 scan_tbl_lo dcb.b 8,$00 ;Lines 0-7 0044B 044B 808080808080 dcb.b 8,$80 ;Lines 8-15 00453 0453 000000000000 dcb.b 8,$00 ;Lines 16-23 0045B 045B 808080808080 dcb.b 8,$80 ;Lines 24-31 00463 0463 000000000000 dcb.b 8,$00 ;Lines 32-39 0046B 046B 808080808080 dcb.b 8,$80 ;Lines 40-47 00473 0473 000000000000 dcb.b 8,$00 ;Lines 48-55 0047B 047B 808080808080 dcb.b 8,$80 ;Lines 56-63 00483 0483 00483 0483 282828282828 dcb.b 8,$28 ;Lines 64-71 0048B 048B A8A8A8A8A8A8 dcb.b 8,$a8 ;Lines 72-79 00493 0493 282828282828 dcb.b 8,$28 ;Lines 80-87 0049B 049B A8A8A8A8A8A8 dcb.b 8,$a8 ;Lines 88-95 004A3 04A3 282828282828 dcb.b 8,$28 ;Lines 96-103 004AB 04AB A8A8A8A8A8A8 dcb.b 8,$a8 ;Lines 104-111 004B3 04B3 282828282828 dcb.b 8,$28 ;Lines 112-119 004BB 04BB A8A8A8A8A8A8 dcb.b 8,$a8 ;Lines 120-127 004C3 04C3 004C3 04C3 505050505050 dcb.b 8,$50 ;Lines 128-135 004CB 04CB D0D0D0D0D0D0 dcb.b 8,$d0 ;Lines 136-143 004D3 04D3 505050505050 dcb.b 8,$50 ;Lines 144-151 004DB 04DB D0D0D0D0D0D0 dcb.b 8,$d0 ;Lines 152-159 004E3 04E3 505050505050 dcb.b 8,$50 ;Lines 160-167 004EB 04EB D0D0D0D0D0D0 dcb.b 8,$d0 ;Lines 168-175 004F3 04F3 505050505050 dcb.b 8,$50 ;Lines 176-183 004FB 04FB D0D0D0D0D0D0 dcb.b 8,$d0 ;Lines 184-191 00503 0503 00503 0503 2024282C3034 scan_tbl_hi dc.b $20,$24,$28,$2c,$30,$34,$38,$3c 0050B 050B 2024282C3034 dc.b $20,$24,$28,$2c,$30,$34,$38,$3c 00513 0513 2125292D3135 dc.b $21,$25,$29,$2d,$31,$35,$39,$3d 0051B 051B 2125292D3135 dc.b $21,$25,$29,$2d,$31,$35,$39,$3d 00523 0523 22262A2E3236 dc.b $22,$26,$2a,$2e,$32,$36,$3a,$3e 0052B 052B 22262A2E3236 dc.b $22,$26,$2a,$2e,$32,$36,$3a,$3e 00533 0533 23272B2F3337 dc.b $23,$27,$2b,$2f,$33,$37,$3b,$3f 0053B 053B 23272B2F3337 dc.b $23,$27,$2b,$2f,$33,$37,$3b,$3f 00543 0543 00543 0543 2024282C3034 dc.b $20,$24,$28,$2c,$30,$34,$38,$3c 0054B 054B 2024282C3034 dc.b $20,$24,$28,$2c,$30,$34,$38,$3c 00553 0553 2125292D3135 dc.b $21,$25,$29,$2d,$31,$35,$39,$3d 0055B 055B 2125292D3135 dc.b $21,$25,$29,$2d,$31,$35,$39,$3d 00563 0563 22262A2E3236 dc.b $22,$26,$2a,$2e,$32,$36,$3a,$3e MPW IIGS Assembler - Ver 1.1b1 06-Nov-90 Page 15 Copyright Apple Computer, Inc. 1987-1990 Loc SLoc Object Code Addr T M Source Statement 0056B 056B 22262A2E3236 dc.b $22,$26,$2a,$2e,$32,$36,$3a,$3e 00573 0573 23272B2F3337 dc.b $23,$27,$2b,$2f,$33,$37,$3b,$3f 0057B 057B 23272B2F3337 dc.b $23,$27,$2b,$2f,$33,$37,$3b,$3f 00583 0583 00583 0583 2024282C3034 dc.b $20,$24,$28,$2c,$30,$34,$38,$3c 0058B 058B 2024282C3034 dc.b $20,$24,$28,$2c,$30,$34,$38,$3c 00593 0593 2125292D3135 dc.b $21,$25,$29,$2d,$31,$35,$39,$3d 0059B 059B 2125292D3135 dc.b $21,$25,$29,$2d,$31,$35,$39,$3d 005A3 05A3 22262A2E3236 dc.b $22,$26,$2a,$2e,$32,$36,$3a,$3e 005AB 05AB 22262A2E3236 dc.b $22,$26,$2a,$2e,$32,$36,$3a,$3e 005B3 05B3 23272B2F3337 dc.b $23,$27,$2b,$2f,$33,$37,$3b,$3f 005BB 05BB 23272B2F3337 dc.b $23,$27,$2b,$2f,$33,$37,$3b,$3f 005C3 05C3 005C3 05C3 ;******************************************************* 005C3 05C3 ; 005C3 05C3 ; CODE SAMPLE #7 005C3 05C3 ; 005C3 05C3 ; This code segment toggles the HiRes Soft switches so 005C3 05C3 ; that we can see what was just scanned. 005C3 05C3 ; 005C3 05C3 ;******************************************************* 005C3 05C3 005C3 05C3 display 005C3 05C3 ; 005C3 05C3 ; Save the Current State 005C3 05C3 ; 005C3 05C3 AD C01A 4 lda RDTEXT 005C6 05C6 8D FFFF 00630 4 sta @text ;Text/Graphics 005C9 05C9 005C9 05C9 AD C01B 4 lda RDMIX 005CC 05CC 8D FFFF 00631 4 sta @mixed ;Mixed? 005CF 05CF 005CF 05CF AD C01C 4 lda RDPAGE2 005D2 05D2 8D FFFF 00632 4 sta @page ;Page 1 or 2 005D5 05D5 005D5 05D5 AD C01D 4 lda RDHIRES 005D8 05D8 8D FFFF 00633 4 sta @hires ;HiRes Mode? 005DB 05DB 005DB 05DB AD C018 4 lda RD80COL 005DE 05DE 8D FFFF 00634 4 sta @80col ;80-Column Mode? 005E1 05E1 005E1 05E1 AD C00C 4 lda CLR80VID ;40-Column Mode. 005E4 05E4 AD C050 4 lda TXTCLR ;Standard Apple II Graphics 005E7 05E7 AD C052 4 lda MIXCLR ;Clear Mixed Mode 005EA 05EA AD C054 4 lda TXTPAGE1 ;Page 1 005ED 05ED AD C057 4 lda HIRES ;HiRes Mode 005F0 05F0 AD C05E 4 lda CLRAN3 ;Clear annunciator 3 005F3 05F3 005F3 05F3 005F3 05F3 8D C010 4 sta KBD_STRB ;Clear Key Strobe 005F6 05F6 AD C000 4 @key_loop lda KBD ;Get key 005F9 05F9 10 FB 005F6 2 bpl @key_loop ;Wait for Key Press 005FB 05FB 8D C010 4 sta KBD_STRB ;Clear Key Strobe 005FE 05FE C9 9B 2 cmp #ESC ;ESC Key 00600 0600 18 2 clc 00601 0601 D0 04 00607 2 bne @chk_txt 00603 0603 38 2 sec ;Exit on ESC 00604 0604 00604 0604 AD C05F 4 lda SETAN3 ;Set annunciator 3 00607 0607 00607 0607 AD FFFF 00630 4 @chk_txt lda @text 0060A 060A 10 03 0060F 2 bpl @chk_mix 0060C 060C 8D C051 4 sta TXTSET ;Text on 0060F 060F 0060F 060F AD FFFF 00631 4 @chk_mix lda @mixed 00612 0612 10 03 00617 2 bpl @chk_page 00614 0614 8D C053 4 sta MIXSET ;Mixed on 00617 0617 00617 0617 AD FFFF 00632 4 @chk_page lda @page MPW IIGS Assembler - Ver 1.1b1 06-Nov-90 Page 16 Copyright Apple Computer, Inc. 1987-1990 Loc SLoc Object Code Addr T M Source Statement 0061A 061A 10 03 0061F 2 bpl @chk_hires 0061C 061C 8D C055 4 sta TXTPAGE2 ;Page 2 0061F 061F 0061F 061F AD FFFF 00633 4 @chk_hires lda @hires 00622 0622 10 03 00627 2 bpl @chk_40col 00624 0624 8D C056 4 sta LORES ;HiRes Off 00627 0627 00627 0627 AD FFFF 00634 4 @chk_40col lda @80col 0062A 062A 10 03 0062F 2 bpl @rts 0062C 062C 8D C00D 4 sta SET80VID ;80-Column on. 0062F 062F 0062F 062F 60 6 @rts rts 00630 0630 00630 0630 00 @text dc.b $00 00631 0631 00 @mixed dc.b $00 00632 0632 00 @page dc.b $00 00633 0633 00 @hires dc.b $00 00634 0634 00 @80col dc.b $00 00635 0635 00635 0635 ;******************************************************* 00635 0635 00635 0635 ENDP END Elapsed time: 4.05 seconds. Assembly complete - no errors found. 1026 lines.