git.sur5r.net Git - cc65/blob - libsrc/cbm510/cbm510.inc

   1 ;
   2 ; Zero page variables and I/O definitions for the CBM 510
   3 ;
   4 ; Taken from a kernal disassembly done by myself in 2000/2001.
   5 ;
   6 ; Ullrich von Bassewitz, 13.09.2001
   7
   8
   9 ;-----------------------------------------------------------------------------
  10 ; Zeropage stuff
  11
  12 ExecReg         = $0000
  13 IndReg          = $0001
  14
  15 ; Up to $20 and $60-8F used by runtime and fixed values
  16 ; -----------------------------------
  17
  18 KbdScanBuf      = $20           ; Intermediate for keyboard scan
  19 ; RS232 stuff
  20 RecvHead        = $21           ; Head of receive buffer
  21 RecvTail        = $22           ; Tail of receive buffer
  22 RecvFreeCnt     = $23           ; Number of bytes in receive buffer
  23 SendHead        = $24           ; Head of send buffer
  24 SendTail        = $25           ; Tail of send buffer
  25 SendFreeCnt     = $26           ; Number of bytes free in send buffer
  26
  27 FileNameAdrLo   = $90
  28 FileNameAdrHi   = $91
  29 FileNameAdrSeg  = $92
  30 SaveAdrLow      = $93
  31 SaveAdrHi       = $94
  32 SaveAdrSeg      = $95
  33 EndAdrLow       = $96
  34 EndAdrHi        = $97
  35 EndAdrSeg       = $98
  36 StartAdrLow     = $99
  37 StartAdrHi      = $9A
  38 StartAdrSeg     = $9B
  39 Status          = $9C
  40 FileNameLen     = $9D
  41 LogicalAdr      = $9E
  42 FirstAdr        = $9F
  43 SecondAdr       = $A0
  44 DefInpDev       = $A1
  45 DefOutDev       = $A2
  46 TapeBufPtr      = $A3
  47 TapeBufPtrSeg   = $A5
  48 rs232BufPtr     = $A6
  49 rs232BufPtrSeg  = $A8
  50 StopKeyFlag     = $A9
  51 CTemp           = $AA
  52 snsw1           = $AB
  53 SegChgPtr       = $AC
  54 PChighSave      = $AE
  55 PClowSave       = $AF
  56 SRSave          = $B0
  57 ACSave          = $B1
  58 XRSave          = $B2
  59 YRSave          = $B3
  60 SPSave          = $B4
  61 IndSegSave      = $B5
  62 IRQSaveHi       = $B7
  63 IRQSaveLo       = $B8
  64 Adr1            = $B9
  65 Adr2            = $BB
  66 MoniCntr        = $BD
  67 MoniTmp         = $BE
  68 MoniDevNr       = $BF
  69 PgmKeyBuf       = $C0
  70 PgmKeyPtr       = $C2
  71 sedsal          = $C4
  72 sedeal          = $C6
  73 SCREEN_PTR      = $C8
  74 CURS_Y          = $CA
  75 CURS_X          = $CB
  76 GrafMode        = $CC
  77 LastIndex       = $CD
  78 LastLine        = $CE
  79 LastCol         = $CF
  80 crsw            = $D0
  81 KeyIndex        = $D1
  82 QuoteSw         = $D2
  83 Insrt           = $D3
  84 Config          = $D4
  85 LastLinePos     = $D5
  86 PgmKeyIndex     = $D6
  87 RepeatCount     = $D7
  88 RepeatDelay     = $D8
  89 sedt1           = $D9           ; Temp
  90 sedt2           = $DA           ; Temp, frequently used
  91 PrtData         = $DB
  92 ScreenTop       = $DC
  93 ScreenBot       = $DD
  94 ScreenLeft      = $DE
  95 ScreenRight     = $DF
  96 ModKey          = $E0
  97 NorKey          = $E1
  98 BitTable        = $E2
  99 CURS_FLAG       = $E6           ; 1 = no cursor
 100 CURS_BLINK      = $E7           ; cursor blink counter
 101 CRAM_PTR        = $E8
 102 TempColor       = $EA
 103 CURS_STATE      = $EB           ; Cursor blink state
 104 CHARCOLOR       = $EC
 105 CURS_COLOR      = $ED           ; Color behind cursor
 106 OutCharTmp      = $EE
 107 ScreenSeq       = $EF           ; Segment of video RAM
 108
 109 ;-----------------------------------------------------------------------------
 110 ; Page 3 variables
 111
 112 ;
 113 ; system ram vectors
 114 ;
 115
 116 IRQVec               = $0300
 117 BRKVec               = $0302
 118 NMIVec               = $0304
 119 openVec              = $0306
 120 closeVec             = $0308
 121 chkinVec             = $030A
 122 ckoutVec             = $030C
 123 clrchVec             = $030E
 124 basinVec             = $0310
 125 bsoutVec             = $0312
 126 stopVec              = $0314
 127 getinVec             = $0316
 128 clallVec             = $0318
 129 loadVec              = $031A
 130 saveVec              = $031C
 131 usrcmd               = $031E
 132 escvec               = $0320
 133 ctrlvec              = $0322
 134 secndVec             = $0324
 135 tksaVec              = $0326
 136 acptrVec             = $0328
 137 cioutVec             = $032A
 138 untlkVec             = $032C
 139 unlsnVec             = $032E
 140 listnVec             = $0330
 141 talkVec              = $0332
 142
 143 ;
 144 ;
 145 ;
 146
 147 LogicalAdrTable      = $0334
 148 FirstAdrTable        = $033E
 149 SecondAdrTable       = $0348
 150 SysMemBot            = $0352
 151 SysMemTop            = $0355
 152 UsrMemBot            = $0358
 153 UsrMemTop            = $035B
 154 TimOut               = $035E
 155 VerifyFlag           = $035F
 156 DevTabIndex          = $0360
 157 MsgFlag              = $0361
 158 CassBufPtr           = $0362
 159 t1                   = $0363
 160 t2                   = $0364
 161 XSave                = $0365
 162 SaveX                = $0366
 163 SaveXt               = $0367
 164 temp                 = $0368
 165 alarm                = $0369
 166 TapeVec              = $036A
 167 LoadStAdr            = $036F
 168 CassMotFlag          = $0375
 169 m6551Ctrl            = $0376
 170 m6551Cmd             = $0377
 171 rs232status          = $037A
 172 dcddsr               = $037B
 173 rs232head            = $037C
 174 rs232tail            = $037D
 175 PgmKeyEnd            = $0380
 176 PgmKeySeg            = $0382
 177 RVS                  = $0383
 178 linetmp              = $0398
 179 LastPrtChar          = $0399
 180 InsertFlag           = $039A
 181 ScrollFlag           = $039B
 182 FktTemp              = $039C
 183 PgmKeyIdx            = $039D
 184 LogScrollFlag        = $039E
 185 BellMode             = $039F    ; Bell on/off 00 = an
 186 SegSave              = $03A0
 187 TabStopTable         = $03A1    ; 80 bits for tabstops
 188 KeyBuf               = $03AB    ; Keyboard buffer
 189 funvec               = $03B5    ; Vector for function key handline
 190 sedt3                = $03B9
 191 MoniSegSave          = $03f0
 192 wstvec               = $03F8
 193 WstFlag              = $03FA    ; Warm start flag
 194
 195 ;-----------------------------------------------------------------------------
 196 ; I/O Definitions
 197
 198 ; I/O  $d800: VIC
 199
 200 VIC_SPR0_X      = $00
 201 VIC_SPR0_Y      = $01
 202 VIC_SPR1_X      = $02
 203 VIC_SPR1_Y      = $03
 204 VIC_SPR2_X      = $04
 205 VIC_SPR2_Y      = $05
 206 VIC_SPR3_X      = $06
 207 VIC_SPR3_Y      = $07
 208 VIC_SPR4_X      = $08
 209 VIC_SPR4_Y      = $09
 210 VIC_SPR5_X      = $0A
 211 VIC_SPR5_Y      = $0B
 212 VIC_SPR6_X      = $0C
 213 VIC_SPR6_Y      = $0D
 214 VIC_SPR7_X      = $0E
 215 VIC_SPR7_Y      = $0F
 216 VIC_SPR_HI_X    = $10
 217 VIC_SPR_ENA     = $15
 218 VIC_SPR_EXP_X   = $17
 219 VIC_SPR_EXP_Y   = $1D
 220 VIC_SPR_MCOLOR  = $1C
 221 VIC_SPR_BG_PRIO = $1B
 222
 223 VIC_SPR_MCOLOR0 = $25
 224 VIC_SPR_MCOLOR1 = $26
 225
 226 VIC_SPR0_COLOR  = $27
 227 VIC_SPR1_COLOR  = $28
 228 VIC_SPR2_COLOR  = $29
 229 VIC_SPR3_COLOR  = $2A
 230 VIC_SPR4_COLOR  = $2B
 231 VIC_SPR5_COLOR  = $2C
 232 VIC_SPR6_COLOR  = $2D
 233 VIC_SPR7_COLOR  = $2E
 234
 235 VIC_CTRL1       = $11
 236 VIC_CTRL2       = $16
 237
 238 VIC_HLINE       = $12
 239
 240 VIC_VIDEO_ADR   = $18
 241
 242 VIC_IRR         = $19           ; Interrupt request register
 243 VIC_IMR         = $1A           ; Interrupt mask register
 244
 245 VIC_BORDERCOLOR = $20
 246 VIC_BG_COLOR0   = $21
 247 VIC_BG_COLOR1   = $22
 248 VIC_BG_COLOR2   = $23
 249 VIC_BG_COLOR3   = $24
 250
 251
 252
 253 ; I/O  $da00: SID 6581
 254
 255 SID_S1Lo        = $00
 256 SID_S1Hi        = $01
 257 SID_PB1Lo       = $02
 258 SID_PB1Hi       = $03
 259 SID_Ctl1        = $04
 260 SID_AD1         = $05
 261 SID_SUR1        = $06
 262
 263 SID_S2Lo        = $07
 264 SID_S2Hi        = $08
 265 SID_PB2Lo       = $09
 266 SID_PB2Hi       = $0A
 267 SID_Ctl2        = $0B
 268 SID_AD2         = $0C
 269 SID_SUR2        = $0D
 270
 271 SID_S3Lo        = $0E
 272 SID_S3Hi        = $0F
 273 SID_PB3Lo       = $10
 274 SID_PB3Hi       = $11
 275 SID_Ctl3        = $12
 276 SID_AD3         = $13
 277 SID_SUR3        = $14
 278
 279 SID_FltLo       = $15
 280 SID_FltHi       = $16
 281 SID_FltCtl      = $17
 282 SID_Amp         = $18
 283 SID_ADConv1     = $19
 284 SID_ADConv2     = $1A
 285 SID_Noise       = $1B
 286 SID_Read3       = $1C
 287
 288
 289 ; I/O  $db00: CIA 6526 Inter Process Communication
 290 ; I/O  $dc00: CIA 6526
 291
 292 CIA_PRA         = $00
 293 CIA_PRB         = $01
 294 CIA_DDRA        = $02
 295 CIA_DDRB        = $03
 296 CIA_ICR         = $0D
 297 CIA_CRA         = $0E
 298 CIA_CRB         = $0F
 299
 300
 301 ; I/O  $dd00: ACIA 6551
 302
 303 ;       acia            =       $dd00
 304
 305         ADataReg        =       $00
 306         AStatusReg      =       $01
 307         ACmdReg         =       $02
 308         ACtrlReg        =       $03
 309
 310
 311
 312 ; I/O  $de00: Triport #1 6525
 313
 314 ;       tpi1            =       $de00
 315
 316         tpiPortA        =       $00
 317         tpiPortB        =       $01
 318         tpiPortC        =       $02
 319         tpiIntLatch     =       $02
 320         tpiDDRA         =       $03
 321         tpiDDRB         =       $04
 322         tpiDDRC         =       $05
 323         tpiIntMask      =       $05
 324         tpiCtrlReg      =       $06
 325         tpiActIntReg    =       $07
 326
 327
 328
 329 ; I/O  $df00: Triport #2 6525
 330
 331 ;       tpi2            =       $df00
 332
 333
 334
 335 ; Out video memory address
 336
 337 COLOR_RAM   = $D400                     ; System bank
 338