z180/config.inc

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