mirror of
https://github.com/Oibaf66/frodo-wii.git
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642 lines
15 KiB
C
642 lines
15 KiB
C
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/*
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* Display_Amiga.h - C64 graphics display, emulator window handling,
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* Amiga specific stuff
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*
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* Frodo (C) 1994-1997,2002-2009 Christian Bauer
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*/
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#include <exec/types.h>
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#include <exec/memory.h>
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#include <intuition/intuition.h>
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#include <libraries/gadtools.h>
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#include <libraries/asl.h>
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#include <proto/exec.h>
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#include <proto/graphics.h>
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#include <proto/intuition.h>
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#include <proto/dos.h>
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#include <proto/gadtools.h>
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#include <proto/diskfont.h>
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#include <proto/asl.h>
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#include "C64.h"
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#include "SAM.h"
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#include "Version.h"
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/*
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C64 keyboard matrix:
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Bit 7 6 5 4 3 2 1 0
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0 CUD F5 F3 F1 F7 CLR RET DEL
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1 SHL E S Z 4 A W 3
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2 X T F C 6 D R 5
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3 V U H B 8 G Y 7
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4 N O K M 0 J I 9
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5 , @ : . - L P +
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6 / ^ = SHR HOM ; * <EFBFBD>
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7 R/S Q C= SPC 2 CTL <- 1
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*/
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/*
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Tables for key translation
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Bit 0..2: row/column in C64 keyboard matrix
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Bit 3 : implicit shift
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Bit 5 : joystick emulation (bit 0..4: mask)
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*/
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const int key_byte[128] = {
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7, 7, 7, 1, 1, 2, 2, 3,
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3, 4, 4, 5, 5, 6, -1,0x30,
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7, 1, 1, 2, 2, 3, 3, 4,
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4, 5, 5, 6, -1,0x26,0x22,0x2a,
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1, 1, 2, 2, 3, 3, 4, 4,
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5, 5, 6, 6, -1,0x24,0x30,0x28,
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6, 1, 2, 2, 3, 3, 4, 4,
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5, 5, 6, -1, -1,0x25,0x21,0x29,
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7, 0, -1, 0, 0, 7, 6, -1,
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-1, -1, -1, -1,8+0, 0, 0, 8+0,
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0,8+0, 0,8+0, 0, 8+0, 0, 8+0,
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-1, -1, 6, 6, -1, -1, -1, -1,
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1, 6, 1, 7, 7, 7, 7, -1,
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-1, -1, -1, -1, -1, -1, -1, -1,
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-1, -1, -1, -1, -1, -1, -1, -1,
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-1, -1, -1, -1, -1, -1, -1, -1
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};
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const int key_bit[128] = {
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1, 0, 3, 0, 3, 0, 3, 0,
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3, 0, 3, 0, 3, 0, -1, -1,
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6, 1, 6, 1, 6, 1, 6, 1,
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6, 1, 6, 1, -1, -1, -1, -1,
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2, 5, 2, 5, 2, 5, 2, 5,
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2, 5, 2, 5, -1, -1, -1, -1,
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6, 4, 7, 4, 7, 4, 7, 4,
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7, 4, 7, -1, -1, -1, -1, -1,
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4, 0, -1, 1, 1, 7, 3, -1,
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-1, -1, -1, -1, 7, 7, 2, 2,
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4, 4, 5, 5, 6, 6, 3, 3,
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-1, -1, 6, 5, -1, -1, -1, -1,
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7, 4, 7, 2, 5, 5, 5, -1,
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-1, -1, -1, -1, -1, -1, -1, -1,
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-1, -1, -1, -1, -1, -1, -1, -1,
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-1, -1, -1, -1, -1, -1, -1, -1
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};
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/*
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* Menu definitions
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*/
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const struct NewMenu new_menus[] = {
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NM_TITLE, "Frodo", NULL, 0, 0, NULL,
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NM_ITEM, "About Frodo...", NULL, 0, 0, NULL,
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NM_ITEM, NM_BARLABEL, NULL, 0, 0, NULL,
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NM_ITEM, "Preferences...", "P", 0, 0, NULL,
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NM_ITEM, NM_BARLABEL, NULL, 0, 0, NULL,
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NM_ITEM, "Reset C64", NULL, 0, 0, NULL,
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NM_ITEM, "Insert next disk", "D", 0, 0, NULL,
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NM_ITEM, "SAM...", "M", 0, 0, NULL,
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NM_ITEM, NM_BARLABEL, NULL, 0, 0, NULL,
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NM_ITEM, "Load snapshot...", "O", 0, 0, NULL,
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NM_ITEM, "Save snapshot...", "S", 0, 0, NULL,
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NM_ITEM, NM_BARLABEL, NULL, 0, 0, NULL,
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NM_ITEM, "Quit Frodo", "Q", 0, 0, NULL,
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NM_END, NULL, NULL, 0, 0, NULL
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};
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/*
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* Font attributes
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*/
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const struct TextAttr led_font_attr = {
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"Helvetica.font", 11, FS_NORMAL, 0
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};
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const struct TextAttr speedo_font_attr = {
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"Courier.font", 11, FS_NORMAL, 0
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};
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/*
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* Display constructor: Create window/screen
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*/
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C64Display::C64Display(C64 *the_c64) : TheC64(the_c64)
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{
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int i;
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// LEDs off
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for (i=0; i<4; i++)
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led_state[i] = old_led_state[i] = LED_OFF;
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// Allocate chunky buffer to draw into
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chunky_buf = new UBYTE[DISPLAY_X * DISPLAY_Y];
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// Open fonts
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led_font = OpenDiskFont(&led_font_attr);
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speedo_font = OpenDiskFont(&speedo_font_attr);
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// Open window on default pubscreen
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the_window = OpenWindowTags(NULL,
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WA_Left, 0,
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WA_Top, 0,
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WA_InnerWidth, DISPLAY_X,
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WA_InnerHeight, DISPLAY_Y + 16,
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WA_Title, (ULONG)"Frodo",
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WA_ScreenTitle, (ULONG)"Frodo C64 Emulator",
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WA_IDCMP, IDCMP_CLOSEWINDOW | IDCMP_RAWKEY | IDCMP_MENUPICK | IDCMP_REFRESHWINDOW,
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WA_DragBar, TRUE,
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WA_DepthGadget, TRUE,
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WA_CloseGadget, TRUE,
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WA_SimpleRefresh, TRUE,
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WA_Activate, TRUE,
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WA_NewLookMenus, TRUE,
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TAG_DONE);
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the_screen = the_window->WScreen;
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the_rp = the_window->RPort;
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xo = the_window->BorderLeft;
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yo = the_window->BorderTop;
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// Create menus
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the_visual_info = GetVisualInfo(the_screen, NULL);
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the_menus = CreateMenus(new_menus, GTMN_FullMenu, TRUE, TAG_DONE);
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LayoutMenus(the_menus, the_visual_info, GTMN_NewLookMenus, TRUE, TAG_DONE);
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SetMenuStrip(the_window, the_menus);
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// Obtain 16 pens for the C64 colors
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for (i=0; i<16; i++)
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pens[i] = ObtainBestPen(the_screen->ViewPort.ColorMap,
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palette_red[i] * 0x01010101, palette_green[i] * 0x01010101, palette_blue[i] * 0x01010101);
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// Allocate temporary RastPort for WritePixelArra8()
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temp_bm = AllocBitMap(DISPLAY_X, 1, 8, 0, NULL);
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InitRastPort(&temp_rp);
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temp_rp.BitMap = temp_bm;
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// Draw LED bar
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draw_led_bar();
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// Allocate file requesters
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open_req = (struct FileRequester *)AllocAslRequestTags(ASL_FileRequest,
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ASLFR_Window, (ULONG)the_window,
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ASLFR_SleepWindow, TRUE,
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ASLFR_TitleText, (ULONG)"Frodo: Load snapshot...",
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ASLFR_RejectIcons, TRUE,
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TAG_DONE);
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save_req = (struct FileRequester *)AllocAslRequestTags(ASL_FileRequest,
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ASLFR_Window, (ULONG)the_window,
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ASLFR_SleepWindow, TRUE,
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ASLFR_TitleText, (ULONG)"Frodo: Save snapshot...",
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ASLFR_DoSaveMode, TRUE,
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ASLFR_RejectIcons, TRUE,
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TAG_DONE);
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}
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/*
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* Display destructor
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*/
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C64Display::~C64Display()
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{
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// Free file requesters
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if (open_req != NULL)
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FreeAslRequest(open_req);
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if (save_req != NULL)
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FreeAslRequest(save_req);
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// Free temporary RastPort
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if (temp_bm != NULL)
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FreeBitMap(temp_bm);
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// Free pens
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for (int i=0; i<16; i++)
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ReleasePen(the_screen->ViewPort.ColorMap, pens[i]);
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// Delete menus
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if (the_menus != NULL) {
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if (the_window != NULL)
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ClearMenuStrip(the_window);
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FreeMenus(the_menus);
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}
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// Delete VisualInfo
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if (the_visual_info != NULL)
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FreeVisualInfo(the_visual_info);
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// Close window
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if (the_window != NULL)
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CloseWindow(the_window);
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// Close fonts
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CloseFont(speedo_font);
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CloseFont(led_font);
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// Free chunky buffer
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delete chunky_buf;
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}
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/*
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* Prefs may have changed
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*/
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void C64Display::NewPrefs(Prefs *prefs)
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{
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}
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/*
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* Redraw bitmap
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*/
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void C64Display::Update(void)
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{
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// Update C64 display
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WritePixelArray8(the_rp, xo, yo, DISPLAY_X + xo - 1, DISPLAY_Y + yo - 1,
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chunky_buf, &temp_rp);
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// Update drive LEDs
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for (int i=0; i<4; i++)
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if (led_state[i] != old_led_state[i]) {
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draw_led(i, led_state[i]);
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old_led_state[i] = led_state[i];
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}
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}
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/*
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* Draw LED bar at the bottom of the window
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*/
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void C64Display::draw_led_bar(void)
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{
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int i;
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char str[16];
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SetAPen(the_rp, pens[15]); // Light gray
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SetBPen(the_rp, pens[15]); // Light gray
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RectFill(the_rp, xo, yo+DISPLAY_Y, xo+DISPLAY_X-1, yo+DISPLAY_Y+15);
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SetAPen(the_rp, pens[1]); // White
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Move(the_rp, xo, yo+DISPLAY_Y); Draw(the_rp, xo+DISPLAY_X-1, yo+DISPLAY_Y);
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for (i=0; i<5; i++) {
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Move(the_rp, xo+DISPLAY_X*i/5, yo+DISPLAY_Y); Draw(the_rp, xo+DISPLAY_X*i/5, yo+DISPLAY_Y+14);
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}
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for (i=2; i<6; i++) {
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Move(the_rp, xo+DISPLAY_X*i/5-23, yo+DISPLAY_Y+11); Draw(the_rp, xo+DISPLAY_X*i/5-9, yo+DISPLAY_Y+11);
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Move(the_rp, xo+DISPLAY_X*i/5-9, yo+DISPLAY_Y+11); Draw(the_rp, xo+DISPLAY_X*i/5-9, yo+DISPLAY_Y+5);
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}
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SetAPen(the_rp, pens[12]); // Medium gray
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Move(the_rp, xo, yo+DISPLAY_Y+15); Draw(the_rp, xo+DISPLAY_X-1, yo+DISPLAY_Y+15);
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for (i=1; i<6; i++) {
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Move(the_rp, xo+DISPLAY_X*i/5-1, yo+DISPLAY_Y+1); Draw(the_rp, xo+DISPLAY_X*i/5-1, yo+DISPLAY_Y+15);
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}
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for (i=2; i<6; i++) {
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Move(the_rp, xo+DISPLAY_X*i/5-24, yo+DISPLAY_Y+11); Draw(the_rp, xo+DISPLAY_X*i/5-24, yo+DISPLAY_Y+4);
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Move(the_rp, xo+DISPLAY_X*i/5-24, yo+DISPLAY_Y+4); Draw(the_rp, xo+DISPLAY_X*i/5-9, yo+DISPLAY_Y+4);
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}
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SetFont(the_rp, led_font);
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for (i=0; i<4; i++) {
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sprintf(str, "Drive %d", i+8);
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SetAPen(the_rp, pens[0]); // Black
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Move(the_rp, xo+DISPLAY_X*(i+1)/5+8, yo+DISPLAY_Y+11);
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Text(the_rp, str, strlen(str));
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draw_led(i, LED_OFF);
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}
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}
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/*
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* Draw one LED
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*/
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void C64Display::draw_led(int num, int state)
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{
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switch (state) {
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case LED_OFF:
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case LED_ERROR_OFF:
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SetAPen(the_rp, pens[0]); // Black;
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break;
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case LED_ON:
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SetAPen(the_rp, pens[5]); // Green
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break;
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case LED_ERROR_ON:
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SetAPen(the_rp, pens[2]); // Red
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break;
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}
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RectFill(the_rp, xo+DISPLAY_X*(num+2)/5-23, yo+DISPLAY_Y+5, xo+DISPLAY_X*(num+2)/5-10, yo+DISPLAY_Y+10);
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}
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/*
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* Update speedometer
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*/
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void C64Display::Speedometer(int speed)
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{
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static int delay = 0;
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if (delay >= 20) {
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char str[16];
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sprintf(str, "%d%%", speed);
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SetAPen(the_rp, pens[15]); // Light gray
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RectFill(the_rp, xo+1, yo+DISPLAY_Y+1, xo+DISPLAY_X/5-2, yo+DISPLAY_Y+14);
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SetAPen(the_rp, pens[0]); // Black
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SetFont(the_rp, speedo_font);
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Move(the_rp, xo+24, yo+DISPLAY_Y+10);
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Text(the_rp, str, strlen(str));
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delay = 0;
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} else
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delay++;
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}
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/*
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* Return pointer to bitmap data
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*/
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UBYTE *C64Display::BitmapBase(void)
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{
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return chunky_buf;
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}
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|||
|
|
|||
|
|
|||
|
/*
|
|||
|
* Return number of bytes per row
|
|||
|
*/
|
|||
|
|
|||
|
int C64Display::BitmapXMod(void)
|
|||
|
{
|
|||
|
return DISPLAY_X;
|
|||
|
}
|
|||
|
|
|||
|
|
|||
|
/*
|
|||
|
* Handle IDCMP messages
|
|||
|
*/
|
|||
|
|
|||
|
void C64Display::PollKeyboard(UBYTE *key_matrix, UBYTE *rev_matrix, UBYTE *joystick)
|
|||
|
{
|
|||
|
struct IntuiMessage *msg;
|
|||
|
|
|||
|
// Get and analyze all pending window messages
|
|||
|
while ((msg = (struct IntuiMessage *)GetMsg(the_window->UserPort)) != NULL) {
|
|||
|
|
|||
|
// Extract data and reply message
|
|||
|
ULONG iclass = msg->Class;
|
|||
|
USHORT code = msg->Code;
|
|||
|
ReplyMsg((struct Message *)msg);
|
|||
|
|
|||
|
// Action depends on message class
|
|||
|
switch (iclass) {
|
|||
|
|
|||
|
case IDCMP_CLOSEWINDOW: // Closing the window quits Frodo
|
|||
|
TheC64->Quit();
|
|||
|
break;
|
|||
|
|
|||
|
case IDCMP_RAWKEY:
|
|||
|
switch (code) {
|
|||
|
|
|||
|
case 0x58: // F9: NMI (Restore)
|
|||
|
TheC64->NMI();
|
|||
|
break;
|
|||
|
|
|||
|
case 0x59: // F10: Reset
|
|||
|
TheC64->Reset();
|
|||
|
break;
|
|||
|
|
|||
|
case 0x5e: // '+' on keypad: Increase SkipFrames
|
|||
|
ThePrefs.SkipFrames++;
|
|||
|
break;
|
|||
|
|
|||
|
case 0x4a: // '-' on keypad: Decrease SkipFrames
|
|||
|
if (ThePrefs.SkipFrames > 1)
|
|||
|
ThePrefs.SkipFrames--;
|
|||
|
break;
|
|||
|
|
|||
|
case 0x5d: // '*' on keypad: Toggle speed limiter
|
|||
|
ThePrefs.LimitSpeed = !ThePrefs.LimitSpeed;
|
|||
|
break;
|
|||
|
|
|||
|
case 0x5c:{ // '/' on keypad: Toggle processor-level 1541 emulation
|
|||
|
Prefs *prefs = new Prefs(ThePrefs);
|
|||
|
prefs->Emul1541Proc = !prefs->Emul1541Proc;
|
|||
|
TheC64->NewPrefs(prefs);
|
|||
|
ThePrefs = *prefs;
|
|||
|
delete prefs;
|
|||
|
break;
|
|||
|
}
|
|||
|
|
|||
|
default:{
|
|||
|
// Convert Amiga keycode to C64 row/column
|
|||
|
int c64_byte = key_byte[code & 0x7f];
|
|||
|
int c64_bit = key_bit[code & 0x7f];
|
|||
|
|
|||
|
if (c64_byte != -1) {
|
|||
|
if (!(c64_byte & 0x20)) {
|
|||
|
|
|||
|
// Normal keys
|
|||
|
bool shifted = c64_byte & 8;
|
|||
|
c64_byte &= 7;
|
|||
|
if (!(code & 0x80)) {
|
|||
|
|
|||
|
// Key pressed
|
|||
|
if (shifted) {
|
|||
|
key_matrix[6] &= 0xef;
|
|||
|
rev_matrix[4] &= 0xbf;
|
|||
|
}
|
|||
|
key_matrix[c64_byte] &= ~(1 << c64_bit);
|
|||
|
rev_matrix[c64_bit] &= ~(1 << c64_byte);
|
|||
|
} else {
|
|||
|
|
|||
|
// Key released
|
|||
|
if (shifted) {
|
|||
|
key_matrix[6] |= 0x10;
|
|||
|
rev_matrix[4] |= 0x40;
|
|||
|
}
|
|||
|
key_matrix[c64_byte] |= (1 << c64_bit);
|
|||
|
rev_matrix[c64_bit] |= (1 << c64_byte);
|
|||
|
}
|
|||
|
} else {
|
|||
|
|
|||
|
// Joystick emulation
|
|||
|
c64_byte &= 0x1f;
|
|||
|
if (code & 0x80)
|
|||
|
*joystick |= c64_byte;
|
|||
|
else
|
|||
|
*joystick &= ~c64_byte;
|
|||
|
}
|
|||
|
}
|
|||
|
}
|
|||
|
}
|
|||
|
break;
|
|||
|
|
|||
|
case IDCMP_MENUPICK:{
|
|||
|
if (code == MENUNULL)
|
|||
|
break;
|
|||
|
|
|||
|
// Get item number
|
|||
|
int item_number = ITEMNUM(code);
|
|||
|
switch (item_number) {
|
|||
|
|
|||
|
case 0: { // About Frodo
|
|||
|
TheC64->Pause();
|
|||
|
char str[256];
|
|||
|
sprintf(str, "%s by Christian Bauer\n<Christian.Bauer@uni-mainz.de>\n<EFBFBD> Copyright 1994-1997,2002-2005", VERSION_STRING);
|
|||
|
ShowRequester(str, "OK");
|
|||
|
TheC64->Resume();
|
|||
|
break;
|
|||
|
}
|
|||
|
|
|||
|
case 2: // Preferences
|
|||
|
TheC64->Pause();
|
|||
|
be_app->RunPrefsEditor();
|
|||
|
TheC64->Resume();
|
|||
|
break;
|
|||
|
|
|||
|
case 4: // Reset C64
|
|||
|
TheC64->Reset();
|
|||
|
break;
|
|||
|
|
|||
|
case 5: // Insert next disk
|
|||
|
if (strlen(ThePrefs.DrivePath[0]) > 4) {
|
|||
|
char str[256];
|
|||
|
strcpy(str, ThePrefs.DrivePath[0]);
|
|||
|
char *p = str + strlen(str) - 5;
|
|||
|
|
|||
|
// If path matches "*.?64", increment character before the '.'
|
|||
|
if (p[1] == '.' && p[3] == '6' && p[4] == '4') {
|
|||
|
p[0]++;
|
|||
|
|
|||
|
// If no such file exists, set character before the '.' to '1', 'a' or 'A'
|
|||
|
FILE *file;
|
|||
|
if ((file = fopen(str, "rb")) == NULL) {
|
|||
|
if (isdigit(p[0]))
|
|||
|
p[0] = '1';
|
|||
|
else if (isupper(p[0]))
|
|||
|
p[0] = 'A';
|
|||
|
else
|
|||
|
p[0] = 'a';
|
|||
|
} else
|
|||
|
fclose(file);
|
|||
|
|
|||
|
// Set new prefs
|
|||
|
Prefs *prefs = new Prefs(ThePrefs);
|
|||
|
strcpy(prefs->DrivePath[0], str);
|
|||
|
TheC64->NewPrefs(prefs);
|
|||
|
ThePrefs = *prefs;
|
|||
|
delete prefs;
|
|||
|
}
|
|||
|
}
|
|||
|
break;
|
|||
|
|
|||
|
case 6: // SAM
|
|||
|
TheC64->Pause();
|
|||
|
SAM(TheC64);
|
|||
|
TheC64->Resume();
|
|||
|
break;
|
|||
|
|
|||
|
case 8: // Load snapshot
|
|||
|
if (open_req != NULL && AslRequest(open_req, NULL)) {
|
|||
|
char path[256];
|
|||
|
strncpy(path, open_req->fr_Drawer, 255);
|
|||
|
AddPart(path, open_req->fr_File, 255);
|
|||
|
TheC64->Pause();
|
|||
|
TheC64->LoadSnapshot(path);
|
|||
|
TheC64->Resume();
|
|||
|
}
|
|||
|
break;
|
|||
|
|
|||
|
case 9: // Save snapshot
|
|||
|
if (save_req != NULL && AslRequest(save_req, NULL)) {
|
|||
|
char path[256];
|
|||
|
strncpy(path, save_req->fr_Drawer, 255);
|
|||
|
AddPart(path, save_req->fr_File, 255);
|
|||
|
TheC64->Pause();
|
|||
|
TheC64->SaveSnapshot(path);
|
|||
|
TheC64->Resume();
|
|||
|
}
|
|||
|
break;
|
|||
|
|
|||
|
case 11: // Quit Frodo
|
|||
|
TheC64->Quit();
|
|||
|
break;
|
|||
|
}
|
|||
|
break;
|
|||
|
}
|
|||
|
|
|||
|
case IDCMP_REFRESHWINDOW:
|
|||
|
BeginRefresh(the_window);
|
|||
|
draw_led_bar();
|
|||
|
EndRefresh(the_window, TRUE);
|
|||
|
break;
|
|||
|
}
|
|||
|
}
|
|||
|
}
|
|||
|
|
|||
|
|
|||
|
/*
|
|||
|
* Check if NumLock is down (for switching the joystick keyboard emulation)
|
|||
|
*/
|
|||
|
|
|||
|
bool C64Display::NumLock(void)
|
|||
|
{
|
|||
|
return FALSE;
|
|||
|
}
|
|||
|
|
|||
|
|
|||
|
/*
|
|||
|
* Allocate C64 colors
|
|||
|
*/
|
|||
|
|
|||
|
void C64Display::InitColors(UBYTE *colors)
|
|||
|
{
|
|||
|
// Spread pens into colors array
|
|||
|
for (int i=0; i<256; i++)
|
|||
|
colors[i] = pens[i & 0x0f];
|
|||
|
}
|
|||
|
|
|||
|
|
|||
|
/*
|
|||
|
* Show a requester
|
|||
|
*/
|
|||
|
|
|||
|
long ShowRequester(const char *str, const char *button1, const char *button2)
|
|||
|
{
|
|||
|
struct EasyStruct es;
|
|||
|
char gads[256];
|
|||
|
|
|||
|
strcpy(gads, button1);
|
|||
|
if (button2) {
|
|||
|
strcat(gads, "|");
|
|||
|
strcat(gads, button2);
|
|||
|
}
|
|||
|
|
|||
|
es.es_StructSize = sizeof(struct EasyStruct);
|
|||
|
es.es_Flags = 0;
|
|||
|
es.es_Title = "Frodo";
|
|||
|
es.es_TextFormat = str;
|
|||
|
es.es_GadgetFormat = gads;
|
|||
|
|
|||
|
return EasyRequestArgs(NULL, &es, NULL, NULL) % 1;
|
|||
|
}
|