source/src/vm/fm7/mb61vh010.h

   1 /*
   2  * FM77AV/FM16β ALU [mb61vh010.h]
   3  *
   4  * Author: K.Ohta <whatisthis.sowhat _at_ gmail.com>
   5  * License: GPLv2
   6  * History:
   7  *   Mar 28, 2015 : Initial
   8  *
   9  */
  10
  11 #ifndef _VM_FM77AV_16beta_ALU_H_
  12 #define _VM_FM77AV_16beta_ALU_H_
  13
  14
  15 #include "../device.h"
  16 #include "../memory.h"
  17 #include "fm7_common.h"
  18
  19 enum {
  20         ALU_CMDREG = 0,
  21         ALU_LOGICAL_COLOR,
  22         ALU_WRITE_MASKREG,
  23         ALU_CMP_STATUS_REG,
  24         ALU_BANK_DISABLE,
  25         ALU_TILEPAINT_B,
  26         ALU_TILEPAINT_R,
  27         ALU_TILEPAINT_G,
  28         ALU_TILEPAINT_L,
  29         ALU_OFFSET_REG_HIGH,
  30         ALU_OFFSET_REG_LO,
  31         ALU_LINEPATTERN_REG_HIGH,
  32         ALU_LINEPATTERN_REG_LO,
  33         ALU_LINEPOS_START_X_HIGH,
  34         ALU_LINEPOS_START_X_LOW,
  35         ALU_LINEPOS_START_Y_HIGH,
  36         ALU_LINEPOS_START_Y_LOW,
  37         ALU_LINEPOS_END_X_HIGH,
  38         ALU_LINEPOS_END_X_LOW,
  39         ALU_LINEPOS_END_Y_HIGH,
  40         ALU_LINEPOS_END_Y_LOW,
  41         ALU_CMPDATA_REG = 0x10000,
  42         ALU_WRITE_PROXY = 0x20000,
  43 };
  44
  45 enum {
  46         SIG_ALU_BUSYSTAT = 1,
  47 };
  48
  49 enum {
  50         EVENT_MB61VH010_BUSY_ON = 0,
  51         EVENT_MB61VH010_BUSY_OFF
  52 };
  53
  54 class MB61VH010: public DEVICE {
  55
  56  protected:
  57         EMU *p_emu;
  58         VM *p_vm;
  59         DEVICE *target;
  60
  61         // Registers
  62         uint8 command_reg;        // D410 (RW)
  63         uint8 color_reg;          // D411 (RW)
  64         uint8 mask_reg;           // D412 (RW)
  65         uint8 cmp_status_reg;     // D413 (RO)
  66         uint8 cmp_color_data[8]; // D413-D41A (WO)
  67         uint8 bank_disable_reg;   // D41B (RW)
  68         uint8 tile_reg[4];        // D41C-D41F (WO)
  69
  70         pair  line_addr_offset; // D420-D421 (WO)
  71         pair  line_pattern;     // D422-D423 (WO)
  72         pair  line_xbegin;      // D424-D425 (WO)
  73         pair  line_ybegin;      // D426-D427 (WO)
  74         pair  line_xend;        // D428-D429 (WO)
  75         pair  line_yend;        // D42A-D42B (WO)
  76
  77         bool busy_flag;
  78         int eventid_busy;
  79
  80         uint32 planes;
  81         uint32 total_bytes;
  82         bool is_400line;
  83         uint32 screen_width;
  84         uint32 screen_height;
  85         uint32 oldaddr;
  86         uint32 alu_addr;
  87
  88         pair line_style;
  89
  90         // ALU COMMANDS
  91         uint8 do_read(uint32 addr,  uint32 bank);
  92         uint8 do_write(uint32 addr, uint32 bank, uint8 data);
  93         uint8 do_pset(uint32 addr);
  94         uint8 do_blank(uint32 addr);
  95         uint8 do_or(uint32 addr);
  96         uint8 do_and(uint32 addr);
  97         uint8 do_xor(uint32 addr);
  98         uint8 do_not(uint32 addr);
  99         uint8 do_tilepaint(uint32 addr);
 100         uint8 do_compare(uint32 addr);
 101         uint8 do_alucmds(uint32 addr);
 102         void do_alucmds_dmyread(uint32 addr);
 103         bool put_dot(int x, int y);
 104
 105         // LINE
 106         void do_line(void);
 107  public:
 108         MB61VH010(VM *parent_vm, EMU *parent_emu);
 109         ~MB61VH010();
 110
 111         void event_callback(int event_id, int err);
 112         void write_data8(uint32 id, uint32 data);
 113         uint32 read_data8(uint32 addr);
 114         uint32 read_signal(int id);
 115         void initialize(void);
 116         void reset(void);
 117         //void update_config(void);
 118
 119         void set_context_memory(DEVICE *p)
 120         {
 121                 target = p;
 122         }
 123 };
 124
 125
 126 #endif // _VM_FM77AV_16beta_ALU_H_