memory.inc.html; generated on Fri Sep 18 21:44:55 2015 by ca65html
uz@cc65.org
1: JOBS0 := $0000
2: JOBS1 := $0001
3: JOBS2 := $0002
4: JOBS3 := $0003
5: JOBS4 := $0004
6: JOBS5 := $0005
7: TRACK0 := $0006
8: SECTOR0 := $0007
9: TRACK1 := $0008
10: SECTOR1 := $0009
11: TRACK2 := $000A
12: SECTOR2 := $000B
13: TRACK3 := $000C
14: SECTOR3 := $000D
15: TRACK4 := $000E
16: SECTOR4 := $000F
17: TRACK5 := $0010
18: SECTOR5 := $0011
19: DiskID0 := $0012
20: DiskID1 := $0014
21: HEADER := $0016
22: ACTJOB := $001B
23: WPSW := $001C ; set to 1 if disk has been changed. This is determined by a change of the write protect switch, hence the name WPSW. (WPSW for drive 0, WPSW+1 for drive 1)
24: LWPT := $001E
25: DRVST := $0020
26: DRVTRK := $0022
27: STAB := $0024
28: SAVPNT := $002E
29: BUFPNT := $0030
30: HDRPNT := $0032
31: GCRPNT := $0034
32: GCRERR := $0035
33: BYTCNT := $0036
34: BITCNT := $0037
35: BID := $0038
36: HBID := $0039
37: CHKSUM := $003A
38: HINIB := $003B
39: BYTE := $003C
40: DRIVE := $003D
41: CDRIVE := $003E
42: JOBN := $003F
43: TRACC := $0040
44: NXTJOB := $0041
45: NXTRK := $0042
46: SECTR := $0043
47: WORK := $0044
48: JOB := $0045
49: CTRACK := $0046
50: DBID := $0047
51: ACLTIM := $0048
52: SAVSP := $0049
53: STEPS := $004A
54: TMP := $004B
55: CSECT := $004C
56: NEXTS := $004D
57: NXTBF := $004E
58: NXTPNT := $004F
59: GCRFLG := $0050
60: FTNUM := $0051
61: BTAB := $0052
62: GTAB := $0056
63: AS := $005E
64: AF := $005F
65: ACLSTP := $0060
66: RSTEPS := $0061
67: NXTST := $0062
68: MINSTP := $0064
69: VNMI := $0065
70: NMIFLG := $0067
71: AUTOFG := $0068
72: SECINC := $0069
73: REVCNT := $006A
74: USRJMP := $006B
75: BMPNT := $006D
76: T0 := $006F
77: T1 := $0070
78: T2 := $0071
79: T3 := $0072
80: T4 := $0073
81: T5 := $0074
82: IP := $0075
83: LSNADR := $0077
84: TLKADR := $0078
85: LSNACT := $0079
86: TLKACT := $007A
87: ADRSED := $007B
88: ATNPND := $007C ; 0 if there is no ATN pending, 1 if it is. This is used to tell the main loop that the IEC/IEEE bus must be processed.
89: ATNMOD := $007D
90: PRGTRK := $007E
91: DRVNUM := $007F
92: TRACK := $0080
93: SECTOR := $0081
94: LINDX := $0082
95: SA := $0083
96: ORGSA := $0084
97: DATA := $0085
98: R0 := $0086
99: R1 := $0087
100: R2 := $0088
101: R3 := $0089
102: R4 := $008A
103: RESULT := $008B
104: ACCUM := $008F
105: DIRBUF := $0094
106: ICMD := $0096
107: MYPA := $0097
108:
109: BUFFERS_COUNT := 5 ; number of buffers
110:
111: CONT := $0098
112: BUFTAB0 := $0099 ; address of buffer 0
113: BUFTAB1 := $009B ; address of buffer 1
114: BUFTAB2 := $009D ; address of buffer 2
115: BUFTAB3 := $009F ; address of buffer 3
116: BUFTAB4 := $00A1 ; address of buffer 4
117: BUFTABCMD := $00A3 ; must be after BUFTAB4 due to the way it is initialized in the RESET routine
118: BUFTABERR := $00A5 ; must be after BUFTABCMD due to the way it is initialized in the RESET routine
119: BUF0 := $00A7
120: BUF1 := $00AE
121: RECL := $00B5
122: RECH := $00BB
123: NR := $00C1
124: RS := $00C7
125: SS := $00CD
126: F1PTR := $00D3
127: RECPTR := $00D4
128: SSNUM := $00D5
129: SSIND := $00D6
130: RELPTR := $00D7
131: ENTSEC := $00D8
132: ENTIND := $00DD
133: FILDRV := $00E2
134: PATTYP := $00E7
135: PATTYP_WILDCARD := $80
136: FILTYP := $00EC
137: CHNRDY := $00F2
138: EIOFLG := $00F8
139: JOBNUM := $00F9
140: LRUTBL := $00FA
141: NODRV := $00FF
142: DSKVER := $0101
143: ZPEND := $0103
144:
145: L0104 := $0104
146: L0146 := $0146
147: L0147 := $0147
148: L0148 := $0148
149: L01AF := $01AF
150: L01B0 := $01B0
151: L01B1 := $01B1
152: L01B2 := $01B2
153: L01B3 := $01B3
154: L01B4 := $01B4
155: L01B5 := $01B5
156: .if CompileDrive >= DRIVE_1571CR
157: L01B6 := $01B6
158: .elseif CompileDrive >= DRIVE_1571
159: L01B6 := $01B4
160: .endif
161:
162: L01BB := $01BB
163:
164: SP_END := $0145
165:
166: CMDBUF := $0200
167: CMDBUF_End := $0228
168: CMDBUF_End2 := $022A
169: CMDNUM := $022A ; storage for the command number in command processin
170: LINTAB := $022B
171: CHNDAT := $022E
172: LINTAB_End := $0239
173: L023A := $023A
174: L023B := $023B
175: L023C := $023C
176: L023D := $023D
177: L023E := $023E
178:
179: L0243 := $0243
180: LSTCHR := $0244
181: TYPE := $024A
182: STRSIZ := $024B
183: TEMPSA := $024C
184: CMD := $024D
185: LSTSEC := $024E
186: BUFUSE := $024F
187: MDIRTY := $0251
188: ENTFND := $0253
189: DIRLST := $0254
190: CMDWAT := $0255 ; 1 if there is a command waiting in the command buffer (CMDBUF), otherwise 0.
191: LINUSE := $0256
192: LBUSED := $0257
193: REC := $0258
194: TRKSS := $0259
195: SECSS := $025A
196: LSTJOB := $025B
197: DSEC := $0260
198: DIND := $0266
199: ERWORD := $026C
200: ERLED := $026D
201: PRGDRV := $026E
202: PRGSEC := $026F
203: WLINDX := $0270
204: RLINDX := $0271
205: NBTEMP := $0272
206: CMDSIZ := $0274
207: CHAR := $0275 ; temporary storage for characters in commando processing
208: LIMIT := $0276
209: F1CNT := $0277
210: F2CNT := $0278
211: F2PTR := $0279
212: FILTBL := $027A
213: FILTRK := $0280
214: FILSEC := $0285
215: PATFLG := $028A ; flag for the pattern found:
216: ; bit 0..6: number of wildcard s('*', '?') found
217: ; bit 7: wildcard and comma available
218: PATFLG_WILDCARD := $80
219: IMAGE := $028B
220: DRVCNT := $028C
221: DRVFLG := $028D
222: LSTDRV := $028E
223: FOUND := $028F
224: DIRSEC := $0290
225: DELSEC := $0291
226: DELIND := $0292
227: LSTBUF := $0293
228: INDEX := $0294
229: FILCNT := $0295
230: TYPFLG := $0296
231: MODE := $0297
232: JOBRTN := $0298
233: EPTR := $0299
234: TOFF := $029A
235: UBAM := $029B
236: TBAM := $029D
237: BAM := $02A1
238: VIRQJOB1570 := $02A9
239: CNTMOTOR1570 := $02AB
240: MAXTRK1571 := $02AC
241: TMP1570 := $02AD
242: FLGMODE1570 := $02AF
243: L02B0 := $02B0
244: NAMBUF := $02B1
245: ERRBUF := $02D5
246: WBAM := $02F9
247: NDBL := $02FA
248: NDBH := $02FC
249: PHASE := $02FE
250: BUFFER0 := $0300
251: BUFFER1 := $0400
252: BUFFER2 := $0500
253: BUFFER3 := $0600
254: BUFFER4 := $0700
255:
256: RAM_PAGE1 := $0100
257: RAM_END := $07FF
258:
259: ; general VIA definitions
260:
261: .include "../via.inc"
262:
263: VBC := $1800
264: VBC_PB1 := VBC + VIA_O_PB
265:
266: .if CompileDrive >= DRIVE_1540
267:
268: VBC_PA1_01 := $01
269: VBC_PA1_02 := $02
270: VBC_PA1_04 := $04
271: VBC_PA1_20 := $20
272: VBC_PA1_80 := $80
273:
274: VBC_PB1_1540_DATAIN := $01 ; DATA IN
275: VBC_PB1_1540_DATAOUT := $02 ; DATA OUT
276: VBC_PB1_1540_CLOCKIN := $04 ; CLOCK IN
277: VBC_PB1_1540_CLOCKOUT := $08 ; CLOCK OUT
278: VBC_PB1_1540_ATNA := $10 ; ATNA (if ATNA XOR ATNIN == 1 --> assert DATA, regardless of DATA IN. In this case, DATA OUT is 1 if read)
279: VBC_PB1_1540_DEVICENO0 := $20 ; hardware device no., bit 0
280: VBC_PB1_1540_DEVICENO1 := $40 ; hardware device no., bit 1
281: VBC_PB1_1540_ATNIN := $80 ; ATN IN (also to CB2 - according to schematic: CA1, NOT CB2!)
282:
283: .else
284:
285: VBC_PB1_2031_DEVICENO0 := VBC_PB1_2031_ATNA
286: VBC_PB1_2031_DEVICENO1 := VBC_PB1_2031_NRFD
287: VBC_PB1_2031_ATNA := $01 ; ATNA (O)
288: VBC_PB1_2031_NRFD := $02 ; NRFD (I/O)
289: VBC_PB1_2031_NDAC := $04 ; NDAC (I/O)
290: VBC_PB1_2031_EOI := $08 ; EOI (I/O)
291: VBC_PB1_2031_TE := $10 ; TE (Talk enable, O)
292: VBC_PB1_2031_HDSEL := $20 ; @@@ TODO
293: VBC_PB1_2031_DAV := $40 ; DAV (I/O)
294: VBC_PB1_2031_NATN := $80 ; -ATN (I)
295:
296: ; also connected:
297: ; PA0-7: data bits DI1-DI8
298: ;
299: ; CA1 = -ATN (connected to PB7)
300: ; CB2 = "PLL SYN" (?)
301: ; CA2 = drive number selection: if 0, the drive numbers can be read; if 1, ATNA and NRFD are on the lines PB0 and PB1
302:
303: .endif
304:
305: VBC_PA1 := VBC + VIA_O_PA ; unused on the (original) 1541; parallel input/output on 2031
306: VBC_DDRB1 := VBC + VIA_O_DDRB
307: VBC_DDRA1 := VBC + VIA_O_DDRA
308: VBC_T1LC1 := VBC + VIA_O_T1CL
309: VBC_T1HC1 := VBC + VIA_O_T1CH
310: VBC_T1LL1 := VBC + VIA_O_T1CLL
311: VBC_T1HL1 := VBC + VIA_O_T1CHL
312: VBC_T2LC1 := VBC + VIA_O_T2CL
313: VBC_T2HC1 := VBC + VIA_O_T2CH
314: VBC_SR1 := VBC + VIA_O_SR
315: VBC_ACR1 := VBC + VIA_O_ACR
316: VBC_PCR1 := VBC + VIA_O_PCR
317: VBC_IFR1 := VBC + VIA_O_IFR
318: VBC_IER1 := VBC + VIA_O_IEC
319: VBC_PAUNBUF1 := VBC + VIA_O_PA_NO_HS
320:
321: VDC := $1C00
322: ; CB1: Unconnected
323: ; CB2: MODE, to OE of 325572-0
324: ; CA2: SYNC
325: ; CA1: Byte Ready (also to Overflow In of 6502)
326: VDC_PB2 := VDC + VIA_O_PB
327: VDC_PB2_STEPPER0 := $01 ; stepper motor bit 0
328: VDC_PB2_STEPPER1 := $02 ; stepper motor bit 1
329: VDC_PB2_DRIVE0MOTOR := $04 ; drive #0 motor
330: VDC_PB2_DRIVE0LED := $08 ; drive #0 LED
331: VDC_PB2_DRIVE1LED := $00 ; does not exist, but anyway...
332: VDC_PB2_WRITEPROTECT:= $10 ; write protect
333: VDC_PB2_BITRATE0 := $20 ; drive transfer rate bit 0
334: VDC_PB2_BITRATE1 := $40 ; drive transfer rate bit 1
335: VDC_PB2_SYNC := $80 ; SYNC detected
336:
337: VDC_PB2_STEPPER := VDC_PB2_STEPPER0 | VDC_PB2_STEPPER1
338: VDC_PB2_DRIVELEDS := VDC_PB2_DRIVE0LED | VDC_PB2_DRIVE1LED
339: VDC_PB2_BITRATE := VDC_PB2_BITRATE0 | VDC_PB2_BITRATE1
340: VDC_PA2 := VDC + VIA_O_PA
341: VDC_DDRB2 := VDC + VIA_O_DDRB
342: VDC_DDRA2 := VDC + VIA_O_DDRA
343: VDC_T1LC2 := VDC + VIA_O_T1CL
344: VDC_T1HC2 := VDC + VIA_O_T1CH
345: VDC_T1LL2 := VDC + VIA_O_T1CLL
346: VDC_T1HL2 := VDC + VIA_O_T1CHL
347: VDC_T2LC2 := VDC + VIA_O_T2CL
348: VDC_T2HC2 := VDC + VIA_O_T2CH
349: VDC_SR2 := VDC + VIA_O_SR
350: VDC_ACR2 := VDC + VIA_O_ACR
351: VDC_PCR2 := VDC + VIA_O_PCR
352: VDC_IFR2 := VDC + VIA_O_IFR
353: VDC_IER2 := VDC + VIA_O_IEC
354: VDC_PAUNBUF2 := VDC + VIA_O_PA_NO_HS
355:
356:
357: .if CompileDrive >= DRIVE_1570
358:
359: .include "../wd177x.inc"
360:
361: WD177x := $2000
362: WD177x_COMMAND := WD177x + WD177x_O_COMMAND
363: WD177x_STATUS := WD177x + WD177x_O_STATUS
364: WD177x_TRACK := WD177x + WD177x_O_TRACK
365: WD177x_SECTOR := WD177x + WD177x_O_SECTOR
366: WD177x_DATA := WD177x + WD177x_O_DATA
367:
368: .include "../cia.inc"
369:
370: CIA := $4000
371: CIA_TALO := CIA + CIA_O_TALO
372: CIA_TAHI := CIA + CIA_O_TAHI
373: CIA_SDR := CIA + CIA_O_SDR
374: CIA_ICR := CIA + CIA_O_ICR
375: CIA_CRA := CIA + CIA_O_CRA
376: CIA_CRB := CIA + CIA_O_CRB
377:
378: .endif
379:
380: .if CompileDrive >= DRIVE_1571CR
381: CSG5710_4 := WD177x_COMMAND + 4
382: CSG5710_5 := WD177x_COMMAND + 5
383:
384: CSG5710_4010 := $4010
385:
386: .endif
387:
388: .if CompileDrive >= DRIVE_1570
389: INIT_VBC_DDRA1 = $66
390: .elseif CompileDrive >= DRIVE_1541C_01 .AND CompileDrive <> DRIVE_1541C_03
391: INIT_VBC_DDRA1 = $FE
392: .else
393: INIT_VBC_DDRA1 = $FF
394: .endif
395:
396: IEC_LISTEN := $20
397: IEC_TALK := $40
398:
399: IEEE_LISTEN := IEC_LISTEN
400: IEEE_TALK := IEC_TALK
401: IEEE_OPEN := $60