z180/config.inc

   1
   2 FALSE   equ     0
   3 TRUE    equ     NOT FALSE
   4
   5 banked  equ     true
   6
   7 ;-----------------------------------------------------
   8 ; CPU and BANKING types
   9
  10
  11 CPU_Z180        equ     TRUE
  12 CPU_Z80         equ     FALSE
  13
  14 ROMSYS          equ     FALSE
  15
  16 AVRCLK          equ     18432           ;[KHz]
  17
  18     if CPU_Z180
  19
  20 ;-----------------------------------------------------
  21 FOSC            equ     AVRCLK/2        ;Oscillator frequency [KHz]
  22 PHI             equ     FOSC*2          ;CPU frequency (clock doubler enabled)
  23
  24 ;-----------------------------------------------------
  25 ; Programmable Reload Timer (PRT)
  26
  27 PRT_PRE         equ     20              ;PRT prescaler
  28
  29 ; Reload value for 10 ms Int. (0.1KHz):
  30 ; tc10ms = phi/prescale/0.1KHz  = phi / (prescale/10)
  31
  32 PRT_TC10MS      equ     PHI / (PRT_PRE/10)
  33
  34 ;-----------------------------------------------------
  35 ; MMU
  36
  37 COMMON_SIZE     equ     4*1024          ;Common Area size in bytes
  38                                         ;must be multiple of 4K
  39
  40 if (COMMON_SIZE mod 1000h)
  41         .printx COMMON_SIZE not multiple of 4K!
  42         end     ;stop assembly
  43 endif
  44
  45 CSK     equ     COMMON_SIZE/1000h       ;
  46 CA      equ     10h - CSK               ;common area start
  47 BA      equ     0                       ;banked area start
  48
  49 SYS$CBR         equ     0
  50 SYS$CBAR        equ     CA<<4 + CA      ;CBAR in system mode
  51 USR$CBAR        equ     CA<<4 + BA      ;CBAR in user mode (CP/M)
  52
  53
  54 BANKS           equ     18              ;max nr. of banks
  55
  56 ;-----------------------------------------------------
  57
  58 CREFSH          equ     0               ;Refresh rate register (disable refresh)
  59 CWAITIO         equ     3 shl IWI0      ;Max I/O Wait States, 0 Memory Wait States
  60
  61     endif               ;CPU_Z180
  62     if  CPU_Z80
  63
  64 PHI             equ     AVRCLK/5        ;CPU frequency [KHz]
  65 BAUDCLCK        equ     AVRCLK/10       ;Baudrate clock [KHz]
  66 ;BDCLK16                equ
  67
  68 SIOAD   EQU     0bch
  69 SIOAC   EQU     0bdh
  70 SIOBD   EQU     0beh
  71 SIOBC   EQU     0bfh
  72
  73 CTC0    EQU     0f4h
  74 CTC1    EQU     0f5h
  75 CTC2    EQU     0f6h
  76 CTC3    EQU     0f7h
  77
  78 ;
  79 ; Init Serial I/O for console input and output (SIO-A)
  80 ;
  81 ; Baudrate clock: 1843200 Hz (Bus connector pin A17)
  82 ;
  83 ; Baudrate   Divider    SIO     CTC
  84 ; ---------------------------------
  85 ; 115200          16     16       1
  86 ;  57600          32     16       2
  87 ;  38400          48     16       3
  88 ;  19200          96     16       6
  89 ;   9600         192     16      12
  90 ;   4800         384     16      24
  91 ;   2400         768     16      48
  92 ;   1200        1536     16      96
  93 ;    600        3072     16     192
  94 ;    300        6144     64      92
  95
  96     endif       ; CPU_Z80
  97
  98     if  ROMSYS
  99 c$rom           equ     0a5h
 100 ROM_EN          equ     0C0h
 101 ROM_DIS         equ     ROMEN+1
 102      if CPU_Z180
 103 CWAITROM        equ     2 shl MWI0
 104      endif
 105     endif
 106
 107
 108 DRSTNUM         equ     30h             ;DDTZ Restart vector (breakpoints)
 109
 110
 111 mrx.fifo_len    equ     256
 112 mtx.fifo_len    equ     256
 113
 114 ci.fifo_len     equ     128
 115 co.fifo_len     equ     256
 116
 117 s1.rx_len       equ     256             ;Serial 1 (ASCI1) buffers
 118 s1.tx_len       equ     256             ;
 119
 120 AVRINT5         equ     4Fh
 121 AVRINT6         equ     5Fh
 122 ;PMSG           equ     80h
 123
 124 ;-----------------------------------------------------
 125 ; Definition of (logical) top 2 memory pages
 126
 127 sysram_start    equ     0FE00h
 128 stacksize       equ     80
 129
 130 isvsw_loc       equ     0FEE0h
 131
 132 ivtab           equ     0ffc0h          ;int vector table
 133 iv2tab          equ     ivtab + 2*9
 134
 135
 136
 137 ;-----------------------------------------------------
 138
 139
 140 o.mask          equ     -3
 141 o.in_idx        equ     -2
 142 o.out_idx       equ     -1
 143
 144         .lall
 145
 146 mkbuf   macro   name,size
 147   if ((size & (size-1)) ne 0) or (size gt 256)
 148     .printx Error: buffer ^size must be power of 2 and in range 0..256!
 149     name&.mask equ ;wrong size error
 150   else
 151     ds 3
 152     name:: ds size
 153     name&.mask equ low (size-1)
 154     if size ne 0
 155       name&.end equ $-1
 156       name&.len equ size
 157     endif
 158   endif
 159 endm
 160
 161 ;-----------------------------------------------------
 162
 163 inidat  macro
 164         cseg
 165 ??ps.a  defl    $
 166         endm
 167
 168 inidate macro
 169 ??ps.len defl   $ - ??ps.a
 170         dseg
 171         ds      ??ps.len
 172         endm