git.sur5r.net Git - cc65/blob - asminc/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         = $00
  13 IndReg          = $01
  14 DEVNUM          = $9F
  15
  16 ; ---------------------------------------------------------------------------
  17 ; Screen size
  18
  19 XSIZE           = 40
  20 YSIZE           = 25
  21
  22 ;-----------------------------------------------------------------------------
  23 ; I/O Definitions
  24
  25 ; I/O  $d800: VIC
  26
  27 VIC_SPR0_X      = $00
  28 VIC_SPR0_Y      = $01
  29 VIC_SPR1_X      = $02
  30 VIC_SPR1_Y      = $03
  31 VIC_SPR2_X      = $04
  32 VIC_SPR2_Y      = $05
  33 VIC_SPR3_X      = $06
  34 VIC_SPR3_Y      = $07
  35 VIC_SPR4_X      = $08
  36 VIC_SPR4_Y      = $09
  37 VIC_SPR5_X      = $0A
  38 VIC_SPR5_Y      = $0B
  39 VIC_SPR6_X      = $0C
  40 VIC_SPR6_Y      = $0D
  41 VIC_SPR7_X      = $0E
  42 VIC_SPR7_Y      = $0F
  43 VIC_SPR_HI_X    = $10
  44 VIC_SPR_ENA     = $15
  45 VIC_SPR_EXP_Y   = $17
  46 VIC_SPR_EXP_X   = $1D
  47 VIC_SPR_MCOLOR  = $1C
  48 VIC_SPR_BG_PRIO = $1B
  49
  50 VIC_SPR_MCOLOR0 = $25
  51 VIC_SPR_MCOLOR1 = $26
  52
  53 VIC_SPR0_COLOR  = $27
  54 VIC_SPR1_COLOR  = $28
  55 VIC_SPR2_COLOR  = $29
  56 VIC_SPR3_COLOR  = $2A
  57 VIC_SPR4_COLOR  = $2B
  58 VIC_SPR5_COLOR  = $2C
  59 VIC_SPR6_COLOR  = $2D
  60 VIC_SPR7_COLOR  = $2E
  61
  62 VIC_CTRL1       = $11
  63 VIC_CTRL2       = $16
  64
  65 VIC_HLINE       = $12
  66
  67 VIC_VIDEO_ADR   = $18
  68
  69 VIC_IRR         = $19           ; Interrupt request register
  70 VIC_IMR         = $1A           ; Interrupt mask register
  71
  72 VIC_BORDERCOLOR = $20
  73 VIC_BG_COLOR0   = $21
  74 VIC_BG_COLOR1   = $22
  75 VIC_BG_COLOR2   = $23
  76 VIC_BG_COLOR3   = $24
  77
  78
  79
  80 ; I/O  $da00: SID 6581
  81
  82 SID_S1Lo        = $00
  83 SID_S1Hi        = $01
  84 SID_PB1Lo       = $02
  85 SID_PB1Hi       = $03
  86 SID_Ctl1        = $04
  87 SID_AD1         = $05
  88 SID_SUR1        = $06
  89
  90 SID_S2Lo        = $07
  91 SID_S2Hi        = $08
  92 SID_PB2Lo       = $09
  93 SID_PB2Hi       = $0A
  94 SID_Ctl2        = $0B
  95 SID_AD2         = $0C
  96 SID_SUR2        = $0D
  97
  98 SID_S3Lo        = $0E
  99 SID_S3Hi        = $0F
 100 SID_PB3Lo       = $10
 101 SID_PB3Hi       = $11
 102 SID_Ctl3        = $12
 103 SID_AD3         = $13
 104 SID_SUR3        = $14
 105
 106 SID_FltLo       = $15
 107 SID_FltHi       = $16
 108 SID_FltCtl      = $17
 109 SID_Amp         = $18
 110 SID_ADConv1     = $19
 111 SID_ADConv2     = $1A
 112 SID_Noise       = $1B
 113 SID_Read3       = $1C
 114
 115
 116 ; I/O  $db00: CIA 6526 Inter Process Communication
 117 ; I/O  $dc00: CIA 6526
 118
 119 .struct CIA
 120         PRA     .byte
 121         PRB     .byte
 122         DDRA    .byte
 123         DDRB    .byte
 124         .union
 125             .struct
 126                 TALO    .byte
 127                 TAHI    .byte
 128             .endstruct
 129             TA          .word
 130         .endunion
 131         .union
 132             .struct
 133                 TBLO    .byte
 134                 TBHI    .byte
 135             .endstruct
 136             TB          .word
 137         .endunion
 138         TOD10   .byte
 139         TODSEC  .byte
 140         TODMIN  .byte
 141         TODHR   .byte
 142         SDR     .byte
 143         ICR     .byte
 144         CRA     .byte
 145         CRB     .byte
 146 .endstruct
 147
 148
 149 ; I/O  $dd00: ACIA 6551
 150
 151 .struct ACIA
 152         DATA    .byte
 153         STATUS  .byte
 154         CMD     .byte
 155         CTRL    .BYTE
 156 .endstruct
 157
 158
 159 ; I/O  $de00: Triport #1 6525
 160 ; I/O  $df00: Triport #2 6525
 161
 162 .struct TPI
 163         PRA     .byte
 164         PRB     .byte
 165         .union
 166                 PRC     .byte
 167                 INT     .byte
 168         .endunion
 169         DDRA    .byte
 170         DDRB    .byte
 171         .union
 172                 DDRC    .byte
 173                 IMR     .byte
 174         .endunion
 175         CR      .byte
 176         AIR     .byte
 177 .endstruct
 178
 179
 180 ; Out video memory address
 181
 182 COLOR_RAM   = $D400                     ; System bank
 183