source/src/vm/mz2500/printer.cpp

   1 /*
   2         SHARP MZ-80B Emulator 'EmuZ-80B'
   3         SHARP MZ-2200 Emulator 'EmuZ-2200'
   4         SHARP MZ-2500 Emulator 'EmuZ-2500'
   5
   6         Author : Takeda.Toshiya
   7         Date   : 2015.12.28-
   8
   9         [ printer ]
  10 */
  11
  12 #include "printer.h"
  13
  14 void PRINTER::write_io8(uint32_t addr, uint32_t data)
  15 {
  16         switch(addr & 0xff) {
  17         case 0xfe:
  18                 d_prn->write_signal(SIG_PRINTER_STROBE, data, 0x80);
  19                 d_prn->write_signal(SIG_PRINTER_RESET, data, 0x40);
  20                 break;
  21         case 0xff:
  22                 d_prn->write_signal(SIG_PRINTER_DATA, data, 0xff);
  23                 break;
  24         }
  25 }
  26
  27 uint32_t PRINTER::read_io8(uint32_t addr)
  28 {
  29         switch(addr & 0xff) {
  30         case 0xfe:
  31                 return 0xf2 | (d_prn->read_signal(SIG_PRINTER_BUSY) ? 1 : 0);
  32         }
  33         return 0xff;
  34 }
  35