forked from len0rd/rockbox
Rockboy - gameboy emulation for rockbox, based on gnuboy. Still a bit early, but already playable on iRiver H1xx and the simulators. The archos recorder version is currently rather slow...
git-svn-id: svn://svn.rockbox.org/rockbox/trunk@6104 a1c6a512-1295-4272-9138-f99709370657
This commit is contained in:
Jens Arnold
parent
48dad47df9
commit
384de10246
56 changed files with 9225 additions and 1 deletions
271
apps/plugins/rockboy/sys_rockbox.c
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271
apps/plugins/rockboy/sys_rockbox.c
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/***************************************************************************
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* __________ __ ___.
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* Open \______ \ ____ ____ | | _\_ |__ _______ ___
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* Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
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* Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
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* Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
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* \/ \/ \/ \/ \/
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* $Id$
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*
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* Copyright (C) 2005 Michiel van der Kolk, Jens Arnold
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*
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* All files in this archive are subject to the GNU General Public License.
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* See the file COPYING in the source tree root for full license agreement.
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*
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* This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
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* KIND, either express or implied.
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*
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****************************************************************************/
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#include "rockmacros.h"
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#include "fb.h"
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#include "input.h"
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#include "rc.h"
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#include "lcd.h"
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#include "hw.h"
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#include "config.h"
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rcvar_t joy_exports[] =
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{
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RCV_END
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};
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rcvar_t vid_exports[] =
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{
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RCV_END
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};
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struct fb fb;
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byte *video_base_buf;
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extern int debug_trace;
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static byte frameb[145][160];
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void vid_settitle(char *title)
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{
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rb->splash(HZ*2, true, title);
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}
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void joy_init(void)
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{
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}
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void joy_close(void)
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{
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}
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#if CONFIG_KEYPAD == IRIVER_H100_PAD
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#define ROCKBOY_PAD_A BUTTON_ON
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#define ROCKBOY_PAD_B BUTTON_OFF
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#define ROCKBOY_PAD_START BUTTON_REC
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#define ROCKBOY_PAD_SELECT BUTTON_MODE
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#define ROCKBOY_QUIT BUTTON_SELECT
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#elif CONFIG_KEYPAD == RECORDER_PAD
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#define ROCKBOY_PAD_A BUTTON_F1
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#define ROCKBOY_PAD_B BUTTON_F2
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#define ROCKBOY_PAD_START BUTTON_F3
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#define ROCKBOY_PAD_SELECT BUTTON_PLAY
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#define ROCKBOY_QUIT BUTTON_OFF
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#endif
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unsigned int oldbuttonstate = 0, newbuttonstate;
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void ev_poll(void)
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{
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event_t ev;
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int released, pressed;
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newbuttonstate = rb->button_status();
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released = ~newbuttonstate & oldbuttonstate;
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pressed = newbuttonstate & ~oldbuttonstate;
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oldbuttonstate = newbuttonstate;
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if(released) {
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ev.type = EV_RELEASE;
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if(released & BUTTON_LEFT) { ev.code=PAD_LEFT; ev_postevent(&ev); }
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if(released & BUTTON_RIGHT) {ev.code=PAD_RIGHT; ev_postevent(&ev);}
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if(released & BUTTON_DOWN) { ev.code=PAD_DOWN; ev_postevent(&ev); }
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if(released & BUTTON_UP) { ev.code=PAD_UP; ev_postevent(&ev); }
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if(released & ROCKBOY_PAD_A) { ev.code=PAD_A; ev_postevent(&ev); }
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if(released & ROCKBOY_PAD_B) { ev.code=PAD_B; ev_postevent(&ev); }
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if(released & ROCKBOY_PAD_START) {
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ev.code=PAD_START;
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ev_postevent(&ev);
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}
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if(released & ROCKBOY_PAD_SELECT) {
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ev.code=PAD_SELECT;
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ev_postevent(&ev);
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}
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}
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if(pressed) { /* button press */
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ev.type = EV_PRESS;
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if(pressed & BUTTON_LEFT) { ev.code=PAD_LEFT; ev_postevent(&ev); }
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if(pressed & BUTTON_RIGHT) { ev.code=PAD_RIGHT; ev_postevent(&ev);}
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if(pressed & BUTTON_DOWN) { ev.code=PAD_DOWN; ev_postevent(&ev); }
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if(pressed & BUTTON_UP) { ev.code=PAD_UP; ev_postevent(&ev); }
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if(pressed & ROCKBOY_PAD_A) { ev.code=PAD_A; ev_postevent(&ev); }
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if(pressed & ROCKBOY_PAD_B) { ev.code=PAD_B; ev_postevent(&ev); }
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if(pressed & ROCKBOY_PAD_START) {
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ev.code=PAD_START;
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ev_postevent(&ev);
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}
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if(pressed & ROCKBOY_PAD_SELECT) {
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ev.code=PAD_SELECT;
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ev_postevent(&ev);
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}
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if(pressed & ROCKBOY_QUIT) {
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die("");
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cleanshut=1;
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}
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}
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}
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void vid_setpal(int i, int r, int g, int b)
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{
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(void)i;
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(void)r;
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(void)g;
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(void)b;
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}
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void vid_init(void)
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{
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}
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void vid_begin(void)
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{
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fb.pelsize=1; // 8 bit framebuffer.. (too much.. but lowest gnuboy will support.. so yea...
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fb.h=144;
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fb.w=160;
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fb.pitch=160;
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fb.enabled=1;
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fb.dirty=0;
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video_base_buf=fb.ptr=(byte *)frameb;
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}
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void vid_update(int scanline)
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{
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int cnt=0,scanline_remapped;
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byte *frameb;
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#if LCD_HEIGHT == 64 /* Archos */
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int balance = 0;
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if (scanline >= 128)
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return;
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scanline_remapped = scanline / 16;
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frameb = rb->lcd_framebuffer + scanline_remapped * LCD_WIDTH;
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while (cnt < 160) {
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balance += LCD_WIDTH;
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if (balance > 0)
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{
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#ifdef SIMULATOR /* simulator uses C */
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register unsigned scrbyte = 0;
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if (scan.buf[0][cnt] & 0x02) scrbyte |= 0x01;
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if (scan.buf[1][cnt] & 0x02) scrbyte |= 0x02;
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if (scan.buf[2][cnt] & 0x02) scrbyte |= 0x04;
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if (scan.buf[3][cnt] & 0x02) scrbyte |= 0x08;
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if (scan.buf[4][cnt] & 0x02) scrbyte |= 0x10;
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if (scan.buf[5][cnt] & 0x02) scrbyte |= 0x20;
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if (scan.buf[6][cnt] & 0x02) scrbyte |= 0x40;
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if (scan.buf[7][cnt] & 0x02) scrbyte |= 0x80;
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*(frameb++) = scrbyte;
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#else
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asm volatile (
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"mov.b @%0,r0 \n"
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"add %1,%0 \n"
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"tst #0x02, r0 \n" /* ~bit 1 */
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"rotcr r1 \n"
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"mov.b @%0,r0 \n"
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"add %1,%0 \n"
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"tst #0x02, r0 \n" /* ~bit 1 */
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"rotcr r1 \n"
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"mov.b @%0,r0 \n"
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"add %1,%0 \n"
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"tst #0x02, r0 \n" /* ~bit 1 */
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"rotcr r1 \n"
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"mov.b @%0,r0 \n"
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"add %1,%0 \n"
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"tst #0x02, r0 \n" /* ~bit 1 */
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"rotcr r1 \n"
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"mov.b @%0,r0 \n"
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"add %1,%0 \n"
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"tst #0x02, r0 \n" /* ~bit 1 */
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"rotcr r1 \n"
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"mov.b @%0,r0 \n"
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"add %1,%0 \n"
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"tst #0x02, r0 \n" /* ~bit 1 */
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"rotcr r1 \n"
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"mov.b @%0,r0 \n"
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"add %1,%0 \n"
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"tst #0x02, r0 \n" /* ~bit 1 */
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"rotcr r1 \n"
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"mov.b @%0,r0 \n"
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"add %1,%0 \n"
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"tst #0x02, r0 \n" /* ~bit 1 */
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"rotcr r1 \n"
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"shlr16 r1 \n"
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"shlr8 r1 \n"
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"not r1,r1 \n" /* account for negated bits */
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"mov.b r1,@%2 \n"
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: /* outputs */
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: /* inputs */
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/* %0 */ "r"(scan.buf[0] + cnt),
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/* %1 */ "r"(256), /* scan.buf line length */
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/* %2 */ "r"(frameb++)
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: /* clobbers */
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"r0", "r1"
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);
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#endif
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balance -= 160;
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}
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cnt ++;
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}
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rb->lcd_update_rect(0, (scanline/2) & ~7, LCD_WIDTH, 8);
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#else /* LCD_HEIGHT != 64, iRiver */
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if (scanline >= 128)
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return;
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scanline_remapped = scanline / 8;
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frameb = rb->lcd_framebuffer + scanline_remapped * LCD_WIDTH;
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while (cnt < 160) {
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register unsigned scrbyte = 0;
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if (scan.buf[0][cnt] & 0x02) scrbyte |= 0x01;
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if (scan.buf[1][cnt] & 0x02) scrbyte |= 0x02;
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if (scan.buf[2][cnt] & 0x02) scrbyte |= 0x04;
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if (scan.buf[3][cnt] & 0x02) scrbyte |= 0x08;
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if (scan.buf[4][cnt] & 0x02) scrbyte |= 0x10;
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if (scan.buf[5][cnt] & 0x02) scrbyte |= 0x20;
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if (scan.buf[6][cnt] & 0x02) scrbyte |= 0x40;
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if (scan.buf[7][cnt] & 0x02) scrbyte |= 0x80;
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*(frameb++) = scrbyte;
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cnt++;
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}
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rb->lcd_update_rect(0, scanline & ~7, LCD_WIDTH, 8);
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#endif
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}
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void vid_end(void)
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{
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}
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long timerresult;
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void *sys_timer(void)
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{
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timerresult=*rb->current_tick;
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return &timerresult;
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}
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// returns microseconds passed since sys_timer
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int sys_elapsed(long *oldtick)
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{
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return ((*rb->current_tick-(*oldtick))*1000000)/HZ;
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}
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void sys_sleep(int us)
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{
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if (us <= 0) return;
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// rb->sleep(HZ*us/1000000);
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}
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