mirror of
https://github.com/ekeeke/Genesis-Plus-GX.git
synced 2024-11-08 20:05:13 +01:00
fixed bug with sound output, fixed vdp latency during VBLANK, improved SDL/DOS ports
This commit is contained in:
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source/LICENSE
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340
source/LICENSE
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@ -0,0 +1,340 @@
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GNU GENERAL PUBLIC LICENSE
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Version 2, June 1991
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Copyright (C) 1989, 1991 Free Software Foundation, Inc.
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Preamble
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Ty Coon, President of Vice
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89
source/PORTING
Normal file
89
source/PORTING
Normal file
@ -0,0 +1,89 @@
|
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|
||||
Introduction
|
||||
|
||||
Genesis Plus has reasonable speed, and very fast rendering. Here are some
|
||||
details about porting it to another platform
|
||||
|
||||
Porting rules
|
||||
|
||||
- This program is released under the GPL, so please release the source
|
||||
code for your derivative ports. Let me know if you need an alternative
|
||||
to this.
|
||||
|
||||
- Do not change the name of the emulator. Something like 'Genesis Plus / MacOS'
|
||||
is fine as it keeps the original name.
|
||||
|
||||
- Configure the CPU emulators for little or big-endian CPUs, and use the
|
||||
ALIGN_LONG option to handle unaligned memory accesses if needed. E.g. if
|
||||
the emulator crashes when a game scrolls horizontally, you need to enable
|
||||
it.
|
||||
|
||||
Requirements
|
||||
|
||||
- At this time the 16-bit rendering code has been well tested and should
|
||||
be used. There is code to support 8 through 32-bit displays, but I
|
||||
haven't checked if it still works.
|
||||
|
||||
- Audio output, if enabled, uses stereo 16-bit samples.
|
||||
|
||||
Functions to use:
|
||||
|
||||
int load_rom(char *filename);
|
||||
|
||||
Loads a game which can be in BIN, SMD or ZIP formats. It returns zero if
|
||||
an error has occured.
|
||||
|
||||
void system_init(void);
|
||||
|
||||
Initializes the virtual Genesis console. Call this once during startup.
|
||||
|
||||
void audio_init(int rate);
|
||||
|
||||
Initialize the sound emulation part of the emulator. Pass zero or don't
|
||||
call the function to disable sound. Call this after running system_init().
|
||||
|
||||
void system_reset(void);
|
||||
|
||||
Resets the virtual Genesis console. Call this once during setup, and later
|
||||
as needed.
|
||||
|
||||
int system_frame(int skip);
|
||||
|
||||
Updates the emulation for a frame. Pass 1 to prevent rendering (which can
|
||||
be used for frame skipping) and 0 to render the current display.
|
||||
|
||||
This function returns 0 if the virtual Genesis console has locked up.
|
||||
You can do what you'd like with this information, such as notify the user,
|
||||
reset the machine, etc.
|
||||
|
||||
If audio is enabled, the snd.buffer[] array will hold the current audio
|
||||
data for this frame.
|
||||
|
||||
void system_shutdown(void);
|
||||
|
||||
Shuts down the emulator.
|
||||
|
||||
Variables:
|
||||
|
||||
The 'bitmap' structure needs to be filled out prior to calling system_init().
|
||||
This provides the rendering code with information about the type of bitmap
|
||||
it is rendering to. I would advise sticking with a 1024x512 16-bit bitmap:
|
||||
|
||||
memset(&bitmap, 0, sizeof(t_bitmap));
|
||||
bitmap.width = 1024;
|
||||
bitmap.height = 512;
|
||||
bitmap.depth = 16;
|
||||
bitmap.granularity = 2; /* Bytes per pixel */
|
||||
bitmap.pitch = (bitmap.width * bitmap.granularity);
|
||||
bitmap.data = (unsigned char *)bmp->pixels; /* Pointer to your bitmap */
|
||||
bitmap.viewport.w = 256; /* Initial size of display on power-up (do not change) */
|
||||
bitmap.viewport.h = 224;
|
||||
bitmap.viewport.x = 0x20; /* Offset used for rendering (do not change) */
|
||||
bitmap.viewport.y = 0x00;
|
||||
bitmap.remap = 1;
|
||||
|
||||
The variable 'input.pad[0]' holds the button states for the first player
|
||||
gamepad. Update this prior to calling system_frame(), and use the bitmasks
|
||||
defined in system.h such as 'INPUT_UP', etc.
|
||||
|
||||
See the Windows/SDL and DOS drivers for examples.
|
@ -4,7 +4,7 @@
|
||||
#include <fat.h>
|
||||
#include <sys/dir.h>
|
||||
|
||||
#define CONFIG_VERSION "GENPLUS 1.2.1 "
|
||||
#define CONFIG_VERSION "GENPLUS 1.2.2 "
|
||||
|
||||
t_config config;
|
||||
|
||||
@ -54,6 +54,7 @@ void set_config_defaults(void)
|
||||
config.fm_preamp = 1.0;
|
||||
config.boost = 1;
|
||||
config.hq_fm = 1;
|
||||
config.filter = 1;
|
||||
config.fm_core = 0;
|
||||
|
||||
/* system options */
|
||||
|
@ -14,6 +14,7 @@ typedef struct
|
||||
uint8 boost;
|
||||
uint8 filter;
|
||||
uint8 hq_fm;
|
||||
uint8 filter;
|
||||
uint8 fm_core;
|
||||
int8 sram_auto;
|
||||
int8 freeze_auto;
|
||||
|
@ -134,8 +134,8 @@ void soundmenu ()
|
||||
int ret;
|
||||
int quit = 0;
|
||||
int prevmenu = menu;
|
||||
int count = 5;
|
||||
char items[5][20];
|
||||
int count = 6;
|
||||
char items[6][20];
|
||||
|
||||
strcpy (menutitle, "Press B to return");
|
||||
|
||||
@ -145,24 +145,25 @@ void soundmenu ()
|
||||
sprintf (items[0], "PSG Volume: %1.2f", config.psg_preamp);
|
||||
sprintf (items[1], "FM Volume: %1.2f", config.fm_preamp);
|
||||
sprintf (items[2], "Volume Boost: %dX", config.boost);
|
||||
if (config.hq_fm == 0) sprintf (items[3], "HQ YM2612: OFF");
|
||||
sprintf (items[3], "LowPass Filter: %s", config.filter ? " ON":"OFF");
|
||||
if (config.hq_fm == 0) sprintf (items[4], "HQ YM2612: OFF");
|
||||
else if (config.fm_core)
|
||||
{
|
||||
/* GENS core only got linear resampling */
|
||||
sprintf (items[3], "HQ YM2612: LINEAR");
|
||||
sprintf (items[4], "HQ YM2612: LINEAR");
|
||||
}
|
||||
else
|
||||
{
|
||||
/* MAME core uses libsamplerate */
|
||||
if (config.hq_fm == 1) sprintf (items[3], "HQ YM2612: LINEAR");
|
||||
else if (config.hq_fm == 2) sprintf (items[3], "HQ YM2612: LOW");
|
||||
else if (config.hq_fm == 3) sprintf (items[3], "HQ YM2612: FAST");
|
||||
else if (config.hq_fm == 4) sprintf (items[3], "HQ YM2612: MEDIUM");
|
||||
if (config.hq_fm == 1) sprintf (items[4], "HQ YM2612: LINEAR");
|
||||
else if (config.hq_fm == 2) sprintf (items[4], "HQ YM2612: LOW");
|
||||
else if (config.hq_fm == 3) sprintf (items[4], "HQ YM2612: FAST");
|
||||
else if (config.hq_fm == 4) sprintf (items[4], "HQ YM2612: MEDIUM");
|
||||
#ifdef USE_SINC_BEST
|
||||
else if (config.hq_fm == 5) sprintf (items[3], "HQ YM2612: BEST");
|
||||
else if (config.hq_fm == 5) sprintf (items[4], "HQ YM2612: BEST");
|
||||
#endif
|
||||
}
|
||||
sprintf (items[4], "FM core: %s", config.fm_core ? "GENS" : "MAME");
|
||||
sprintf (items[5], "FM core: %s", config.fm_core ? "GENS" : "MAME");
|
||||
|
||||
ret = domenu (&items[0], count, 1);
|
||||
switch (ret)
|
||||
@ -189,6 +190,10 @@ void soundmenu ()
|
||||
break;
|
||||
|
||||
case 3:
|
||||
config.filter ^= 1;
|
||||
break;
|
||||
|
||||
case 4:
|
||||
#ifdef USE_SINC_BEST
|
||||
config.hq_fm = (config.hq_fm + 1) % (config.fm_core ? 2 : 6);
|
||||
#else
|
||||
@ -201,7 +206,7 @@ void soundmenu ()
|
||||
}
|
||||
break;
|
||||
|
||||
case 4:
|
||||
case 5:
|
||||
config.fm_core ^= 1;
|
||||
config.psg_preamp = config.fm_core ? 2.5 : 1.5;
|
||||
config.fm_preamp = 1.0;
|
||||
|
@ -177,7 +177,11 @@ int system_frame (int do_skip)
|
||||
/* increment frame counter */
|
||||
frame_cnt ++;
|
||||
|
||||
if (!gen_running) return 0;
|
||||
if (!gen_running)
|
||||
{
|
||||
update_input();
|
||||
return 0;
|
||||
}
|
||||
|
||||
/* Clear VBLANK & DMA BUSY flags */
|
||||
status &= 0xFFF5;
|
||||
@ -367,8 +371,8 @@ static void audio_update (void)
|
||||
}
|
||||
|
||||
/* boost volume if asked*/
|
||||
l = ll * boost;
|
||||
r = rr * boost;
|
||||
l = l * boost;
|
||||
r = r * boost;
|
||||
|
||||
/* clipping */
|
||||
if (l > 32767) l = 32767;
|
||||
|
28
source/unused/CHANGELOG
Normal file
28
source/unused/CHANGELOG
Normal file
@ -0,0 +1,28 @@
|
||||
|
||||
[05/25/03]
|
||||
- Fixed a typo that made Z80 banked access to the VDP registers always fail.
|
||||
|
||||
[05/17/03]
|
||||
- Modified the rendering code to handle unaligned longword access to memory.
|
||||
|
||||
[04/20/03]
|
||||
- Modified 68000 emulator to prevent 'tas.b $mem' from writing data back
|
||||
after a read (fixes Gargoyles).
|
||||
- Fixed bug in 68000 emulator to swap order of words written for address
|
||||
register indirect pre-decremented writes (fixes Jim Power graphics).
|
||||
- Added support for 240-line displays (for Super Skidmarks).
|
||||
- Rewrote part of the interrupt handling (fixes some raster effects).
|
||||
- Removed sprite collision detection code (never really worked).
|
||||
- Optimized sprite rendering inner loop.
|
||||
|
||||
[04/13/03]
|
||||
- Finished up memory map for VDP DMA V-bus reads.
|
||||
- Fixed handling of 68000 writes to I/O chip at even addresses.
|
||||
- Fixed bit 7 handling of control register in I/O chip.
|
||||
- Finished up Z80 memory map.
|
||||
- Added code to handle Genesis hardware lock-ups.
|
||||
- Removed some faulty code from the 68000 memory map handlers.
|
||||
|
||||
[03/22/03]
|
||||
- Completed implementation of Z80 banked memory handlers.
|
||||
|
122
source/unused/README
Normal file
122
source/unused/README
Normal file
@ -0,0 +1,122 @@
|
||||
----------------------------------------------------------------------------
|
||||
Genesis Plus
|
||||
----------------------------------------------------------------------------
|
||||
|
||||
Version 1.2a
|
||||
by Charles Mac Donald
|
||||
WWW: http://cgfm2.emuviews.com
|
||||
|
||||
What's New
|
||||
----------
|
||||
|
||||
[06/22/03]
|
||||
- Modified rendering code for portability
|
||||
- Modified memory handling to fix banked PSG access
|
||||
[05/13/03]
|
||||
- Initial release
|
||||
|
||||
Usage
|
||||
-----
|
||||
|
||||
The Windows version runs windowed in a 16-bit desktop with NO sound or
|
||||
joystick support.
|
||||
|
||||
The DOS version has most of the functionality from SMS Plus, such
|
||||
as audio, joysticks, etc.
|
||||
|
||||
Windows/DOS controls:
|
||||
|
||||
Arrow Keys - Directional pad
|
||||
A,S,D,F - 1P gamepad, buttons A, B, C, Start
|
||||
Tab - Reset
|
||||
Esc - Exit program
|
||||
|
||||
DOS only:
|
||||
|
||||
End - Exit program
|
||||
F1-F4 - Set frameskip level (F1 = no skip ... F4 = skip 3 frames)
|
||||
F8 - Make PCX screen snapshot
|
||||
F9 - Toggle VSync
|
||||
F10 - Toggle speed throttling
|
||||
F11 - Toggle FPS meter
|
||||
|
||||
DOS details:
|
||||
|
||||
You can only support a second player if you are using a joystick driver
|
||||
that supports more than one joystick. (e.g. Sidewinder, dual pads, etc.)
|
||||
|
||||
Type 'gen -help' on the command line for a list of useful options.
|
||||
|
||||
-res <x> <y> set the display resolution.
|
||||
-vdriver <n> specify video driver.
|
||||
-depth <n> specify color depth. (8, 16)
|
||||
-scanlines use scanlines effect.
|
||||
-scale scale display to full resolution. (slow)
|
||||
-vsync wait for vertical sync before blitting.
|
||||
-sound enable sound. (force speed throttling)
|
||||
-sndrate <n> specify sound rate. (8000, 11025, 22050, 44100)
|
||||
-sndcard <n> specify sound card. (0-7)
|
||||
-swap swap left and right stereo output.
|
||||
-joy <s> specify joystick type.
|
||||
|
||||
Here is a list of all the video drivers you can pass as a parameter
|
||||
to the '-vdriver' option:
|
||||
|
||||
auto, safe, vga, modex, vesa2l, vesa3, vbeaf
|
||||
|
||||
Here is a list of all the joystick drivers you can pass as a parameter
|
||||
to the '-joy' option:
|
||||
|
||||
auto, none, standard, 2pads, 4button, 6button, 8button, fspro, wingex,
|
||||
sidewinder, gamepadpro, grip, grip4, sneslpt1, sneslpt2, sneslpt3,
|
||||
psxlpt1, psxlpt2, psxlpt3, n64lpt1, n64lpt2, n64lpt3, db9lpt1, db9lpt2,
|
||||
db9lpt3, tglpt1, tglpt2, tglpt3, wingwar, segaisa, segapci, segapci2
|
||||
|
||||
You can put any commandline option into a plain text file which should
|
||||
be called "gen.cfg". Put one option per line, please. Command line options
|
||||
will override anything in the configuration file.
|
||||
|
||||
Currently the zip loading code can manage a zipfile where the game
|
||||
image is the first thing in it. If you try to open a huge archive of
|
||||
games, only the first will be played.
|
||||
|
||||
Credits and Acknowlegements
|
||||
---------------------------
|
||||
|
||||
I would like to thank Omar Cornut, Christian Schiller, and Chris MacDonald
|
||||
for their invaluable help and support with this project.
|
||||
|
||||
Richard Bannister for the Macintosh port and all of the code fixes and
|
||||
suggestions that have made Genesis Plus a better program.
|
||||
(http://www.bannister.org)
|
||||
|
||||
The Genesis emulator authors: Bart Trzynadlowski, Quintesson, Steve Snake,
|
||||
James Ponder, Stef, Gerrie, Sardu.
|
||||
|
||||
The regular people and many lurkers at segadev.
|
||||
|
||||
The MAME team for the CPU and sound chip emulators.
|
||||
|
||||
Everyone who has contributed, donated, and submitted information to help
|
||||
out Genesis Plus and my efforts documenting the Genesis hardware.
|
||||
|
||||
Contact
|
||||
-------
|
||||
|
||||
Charles MacDonald
|
||||
E-mail: cgfm2@hotmail.com
|
||||
WWW: http://cgfm2.emuviews.com
|
||||
|
||||
Legal
|
||||
-----
|
||||
|
||||
Copyright (C) 1999, 2000, 2001, 2002, 2003 Charles MacDonald
|
||||
|
||||
The source code is distributed under the terms of the GNU General Public
|
||||
License.
|
||||
|
||||
The Z80 CPU emulator, 68K CPU emulator, and the PSG, YM2612 emulation code
|
||||
are taken from the MAME project, and terms of their use are covered under
|
||||
the MAME license.
|
||||
(http://www.mame.net)
|
||||
|
79
source/unused/TODO
Normal file
79
source/unused/TODO
Normal file
@ -0,0 +1,79 @@
|
||||
|
||||
Here are some technical details about things that need to be fixed or
|
||||
added to Genesis Plus.
|
||||
|
||||
Missing features:
|
||||
|
||||
- Support for 6-button controllers
|
||||
- SRAM management
|
||||
- Game Genie / PAR patch codes
|
||||
|
||||
The VDP code could use a lot of cleaning up.
|
||||
|
||||
The rendering code is missing a few bits:
|
||||
|
||||
- Sprite collision
|
||||
- Window bug
|
||||
|
||||
I think the "C" 68000 emulator either has some bugs or I'm not using it
|
||||
correctly. Older DOS-only versions used Turbo68K, which had ran games
|
||||
much better, especially with regards to interrupt handling.
|
||||
|
||||
Things that need to be fixed:
|
||||
|
||||
- Raster garbage on third road in Thunder Blade.
|
||||
|
||||
- Added country codes for Dragon Slayer, but game locks up after
|
||||
passing country check.
|
||||
|
||||
- No inputs in Samurai Shodown.
|
||||
(This game doesn't initialize the port direction registers, at least not
|
||||
directly. Emulation bug or problem with the game?)
|
||||
|
||||
- Palette and raster problems in Mortal Kombat.
|
||||
|
||||
- Bad raster effects and VRAM corruption in Super Skidmarks.
|
||||
(Needs PAL timing)
|
||||
|
||||
- Palette problems in Sonic 2 title screen.
|
||||
|
||||
- Masked half of Sonic sprite visible on Sonic title screen.
|
||||
|
||||
- Sprite masking doesn't work in Micro Machines subscreen.
|
||||
|
||||
- Music has slow tempo in Batman & Robin. (doesn't seem to be a problem
|
||||
with the YM2612 timers - Wonderboy 3 is normal)
|
||||
|
||||
- Music has jerky playback in Sonic 2, 3, 3D Blast. If you run the Z80
|
||||
emulation for one scanline after requesting an interrupt, it runs fine.
|
||||
|
||||
- DAC and PSG output are too loud, both are divided by two for now
|
||||
(though the PSG should be a bit quieter and the DAC a bit louder)
|
||||
|
||||
- Undead Line locks after selecting a stage, also the Z80 sound halts
|
||||
after the first note is played.
|
||||
|
||||
This game single steps the Z80 with the following code:
|
||||
|
||||
MOVEM.L D0,-(A7) ; 009C7C 48 E7 80 00
|
||||
ORI #$0200,SR ; 009C80 00 7C 02 00
|
||||
; Get control of the Z-bus
|
||||
MOVE.W #$0100,$00A11100 ; 009C84 33 FC 01 00 00 A1 11 00
|
||||
BTST #$00,$00A11100 ; 009C8C 08 39 00 00 00 A1 11 00
|
||||
BNE.S *-$08 [00009C8C] ; 009C94 66 F6
|
||||
; Check driver status byte. If zero, release bus and exit.
|
||||
TST.B $00A00008 ; 009C96 4A 39 00 A0 00 08
|
||||
BEQ *+$0016 [00009CB2] ; 009C9C 67 00 00 14
|
||||
; Release bus and wait for Z80 to resume control. Then restart the loop
|
||||
; and immediately get the bus back again, assuming the Z80 ran at least
|
||||
; one instruction in the meantime.
|
||||
CLR.W $00A11100 ; 009CA0 42 79 00 A1 11 00
|
||||
BTST #$00,$00A11100 ; 009CA6 08 39 00 00 00 A1 11 00
|
||||
BEQ.S *-$08 [00009CA6] ; 009CAE 67 F6
|
||||
BRA.S *-$2C [00009C84] ; 009CB0 60 D2
|
||||
; Release bus and exit.
|
||||
CLR.W $00A11100 ; 009CB2 42 79 00 A1 11 00
|
||||
ANDI #$FDFF,SR ; 009CB8 02 7C FD FF
|
||||
MOVEM.L (A7)+,D0 ; 009CBC 4C DF 00 01
|
||||
RTS ; 009CC0 4E 75
|
||||
|
@ -12,20 +12,20 @@
|
||||
CC = gcc
|
||||
AS = nasm -f coff
|
||||
LDFLAGS =
|
||||
FLAGS = -I. -I.. -I../cpu -I../m68k -I../dos -I../sound -I../sound/SRC -I../cart_hw -I../cart_hw/svp \
|
||||
-Wall -g \
|
||||
-O6 -march=i686 -fomit-frame-pointer \
|
||||
-DLSB_FIRST -DX86_ASM -DDOS
|
||||
FLAGS = -I. -I.. -I../z80 -I../m68k -I../dos -I../sound -I../sound/SRC -I../cart_hw -I../cart_hw/svp \
|
||||
-Wall -g \
|
||||
-O6 -march=i686 -fomit-frame-pointer \
|
||||
-DLSB_FIRST -DX86_ASM -DDOS
|
||||
|
||||
LIBS = -lalleg -laudio -lz -lm
|
||||
|
||||
OBJ = obj/z80.o
|
||||
OBJ = obj/z80.o
|
||||
|
||||
OBJ += obj/m68kcpu.o \
|
||||
OBJ += obj/m68kcpu.o \
|
||||
obj/m68kops.o
|
||||
|
||||
|
||||
OBJ += obj/genesis.o \
|
||||
OBJ += obj/genesis.o \
|
||||
obj/vdp.o \
|
||||
obj/render.o \
|
||||
obj/system.o \
|
||||
@ -37,7 +37,7 @@ OBJ += obj/genesis.o \
|
||||
obj/memvdp.o \
|
||||
obj/state.o
|
||||
|
||||
OBJ += obj/sound.o \
|
||||
OBJ += obj/sound.o \
|
||||
obj/fm.o \
|
||||
obj/sn76489.o \
|
||||
obj/ym2612.o
|
||||
@ -48,7 +48,7 @@ OBJ += obj/samplerate.o \
|
||||
obj/src_sinc.o \
|
||||
obj/src_zoh.o \
|
||||
|
||||
OBJ += obj/sram.o \
|
||||
OBJ += obj/sram.o \
|
||||
obj/eeprom.o \
|
||||
obj/svp.o \
|
||||
obj/ssp16.o \
|
||||
@ -94,7 +94,7 @@ obj/%.o : ../cart_hw/svp/%.c
|
||||
obj/%.o : ../cart_hw/svp/%.c ../cart_hw/svp/%.h
|
||||
$(CC) -c $< -o $@ $(FLAGS)
|
||||
|
||||
obj/%.o : ../cpu/%.c ../cpu/%.h
|
||||
obj/%.o : ../z80/%.c ../z80/%.h
|
||||
$(CC) -c $< -o $@ $(FLAGS)
|
||||
|
||||
obj/%.o : ../m68k/%.c ../m68k/%.h
|
||||
|
@ -75,13 +75,6 @@ int main (int argc, char *argv[])
|
||||
return (0);
|
||||
}
|
||||
|
||||
/* load SRAM */
|
||||
FILE *f = fopen("./game.srm", "rb");
|
||||
if (f!=NULL)
|
||||
{
|
||||
fread(&sram.sram,0x10000,1, f);
|
||||
fclose(f);
|
||||
}
|
||||
|
||||
/* load BIOS */
|
||||
memset(bios_rom, 0, sizeof(bios_rom));
|
||||
@ -117,6 +110,15 @@ int main (int argc, char *argv[])
|
||||
memset (snd.buffer[1], 0, buf_len/2);
|
||||
system_init();
|
||||
audio_init(option.sndrate);
|
||||
|
||||
f = fopen("./game.srm", "rb");
|
||||
if (f!=NULL)
|
||||
{
|
||||
fread(&sram.sram,0x10000,1, f);
|
||||
fclose(f);
|
||||
}
|
||||
|
||||
|
||||
system_reset();
|
||||
|
||||
/* emulation loop */
|
||||
@ -146,7 +148,7 @@ int main (int argc, char *argv[])
|
||||
fclose(f);
|
||||
}
|
||||
|
||||
trash_machine();
|
||||
trash_machine();
|
||||
system_shutdown();
|
||||
error_shutdown();
|
||||
return (0);
|
||||
@ -184,11 +186,6 @@ int save_file(char *filename, char *buf, int size)
|
||||
}
|
||||
|
||||
static int joynum = 0;
|
||||
uint8 delay = 36;
|
||||
int gun_offset = 0;
|
||||
|
||||
int old_mouse_x = 0;
|
||||
int old_mouse_y = 0;
|
||||
|
||||
void dos_update_input(void)
|
||||
{
|
||||
@ -205,11 +202,6 @@ void dos_update_input(void)
|
||||
if (joynum > MAX_DEVICES - 1) joynum = 0;
|
||||
}
|
||||
|
||||
if(check_key(KEY_F12))
|
||||
{
|
||||
input.x_offset ++;
|
||||
if (input.x_offset > 0xff) input.x_offset = 0;
|
||||
}
|
||||
if(check_key(KEY_F11))
|
||||
{
|
||||
|
||||
@ -270,30 +262,26 @@ void dos_update_input(void)
|
||||
if(joy[1].button[7].b) input.pad[1] |= INPUT_MODE;
|
||||
}
|
||||
}
|
||||
|
||||
|
||||
|
||||
if(key[KEY_Z]) input.pad[joynum] |= INPUT_X;
|
||||
if(key[KEY_X]) input.pad[joynum] |= INPUT_Y;
|
||||
if(key[KEY_C]) input.pad[joynum] |= INPUT_Z;
|
||||
if(key[KEY_V]) input.pad[joynum] |= INPUT_MODE;
|
||||
/* keyboard */
|
||||
if(key[KEY_UP]) input.pad[joynum] |= INPUT_UP;
|
||||
else
|
||||
if(key[KEY_DOWN]) input.pad[joynum] |= INPUT_DOWN;
|
||||
|
||||
if(key[KEY_LEFT]) input.pad[joynum] |= INPUT_LEFT;
|
||||
else
|
||||
if(key[KEY_RIGHT]) input.pad[joynum] |= INPUT_RIGHT;
|
||||
if(check_key(KEY_A)) error("ButtonA pressed\n");
|
||||
if(key[KEY_A]) {
|
||||
input.pad[joynum] |= INPUT_A;
|
||||
}
|
||||
|
||||
if(key[KEY_A]) input.pad[joynum] |= INPUT_A;
|
||||
if(key[KEY_S]) input.pad[joynum] |= INPUT_B;
|
||||
if(key[KEY_D]) input.pad[joynum] |= INPUT_C;
|
||||
if(check_key(KEY_F)) error("start pressed\n");
|
||||
if(key[KEY_F]) {
|
||||
if(key[KEY_Z]) input.pad[joynum] |= INPUT_X;
|
||||
if(key[KEY_X]) input.pad[joynum] |= INPUT_Y;
|
||||
if(key[KEY_C]) input.pad[joynum] |= INPUT_Z;
|
||||
if(key[KEY_V]) input.pad[joynum] |= INPUT_MODE;
|
||||
|
||||
input.pad[joynum] |= INPUT_START;
|
||||
}
|
||||
if(key[KEY_F]) input.pad[joynum] |= INPUT_START;
|
||||
|
||||
|
||||
extern uint8 pico_current;
|
||||
if (input.dev[joynum] == DEVICE_LIGHTGUN)
|
||||
@ -302,17 +290,14 @@ void dos_update_input(void)
|
||||
if(mouse_needs_poll() == TRUE)
|
||||
poll_mouse();
|
||||
|
||||
/* Calculate X axis value */
|
||||
input.analog[joynum-4][0] = (mouse_x * bitmap.viewport.w)/SCREEN_W;;
|
||||
|
||||
/* Calculate Y axis value */
|
||||
input.analog[joynum-4][1] = (mouse_y * bitmap.viewport.h)/SCREEN_H;;
|
||||
/* Calculate X Y axis values */
|
||||
input.analog[joynum - 4][0] = (mouse_x * bitmap.viewport.w) / SCREEN_W;
|
||||
input.analog[joynum - 4][1] = (mouse_y * bitmap.viewport.h) / SCREEN_H;
|
||||
|
||||
/* Map mouse buttons to player #1 inputs */
|
||||
if(mouse_b & 4) input.pad[joynum] |= INPUT_C;
|
||||
if(mouse_b & 2) input.pad[joynum] |= INPUT_B;
|
||||
if(mouse_b & 1) input.pad[joynum] |= INPUT_A;
|
||||
if(key[KEY_F]) input.pad[joynum] |= INPUT_START;
|
||||
}
|
||||
else if (input.dev[joynum] == DEVICE_MOUSE)
|
||||
{
|
||||
@ -320,16 +305,20 @@ void dos_update_input(void)
|
||||
if(mouse_needs_poll() == TRUE)
|
||||
poll_mouse();
|
||||
|
||||
/* Get X & Y quantity of movement */
|
||||
get_mouse_mickeys(&input.analog[2][0], &input.analog[2][1]);
|
||||
|
||||
/* Sega Mouse range is -256;+256 */
|
||||
input.analog[2][0] = (input.analog[2][0] * 256) / SCREEN_W;
|
||||
input.analog[2][1] = (input.analog[2][1] * 256) / SCREEN_H;
|
||||
if (config.invert_mouse) input.analog[2][1] = 0 - input.analog[2][1];
|
||||
|
||||
/* Vertical movement is upsidedown */
|
||||
if (!config.invert_mouse) input.analog[2][1] = 0 - input.analog[2][1];
|
||||
|
||||
/* Map mouse buttons to player #1 inputs */
|
||||
if(mouse_b & 4) input.pad[joynum] |= INPUT_C;
|
||||
if(mouse_b & 1) input.pad[joynum] |= INPUT_B;
|
||||
if(mouse_b & 2) input.pad[joynum] |= INPUT_A;
|
||||
if(key[KEY_F]) input.pad[joynum] |= INPUT_START;
|
||||
}
|
||||
else if (system_hw == SYSTEM_PICO)
|
||||
{
|
||||
@ -337,11 +326,9 @@ void dos_update_input(void)
|
||||
if(mouse_needs_poll() == TRUE)
|
||||
poll_mouse();
|
||||
|
||||
/* Calculate X axis value */
|
||||
input.analog[0][0] = 0x3c + (mouse_x * (0x17c - 0x3c + 1) / SCREEN_W);
|
||||
|
||||
/* Calculate Y axis value */
|
||||
input.analog[0][1] = 0x1fc + (mouse_y* (0x3f3 - 0x1fc + 1) / SCREEN_H);
|
||||
/* Calculate X Y axis values */
|
||||
input.analog[0][0] = 0x3c + (mouse_x * (0x17c-0x03c+1)) / SCREEN_W;
|
||||
input.analog[0][1] = 0x1fc + (mouse_y * (0x2f7-0x1fc+1)) / SCREEN_H;
|
||||
|
||||
/* Map mouse buttons to player #1 inputs */
|
||||
if(mouse_b & 2) input.pad[0] |= INPUT_B;
|
||||
@ -387,7 +374,7 @@ void dos_update_input(void)
|
||||
|
||||
/* reinitialize timings */
|
||||
system_init ();
|
||||
audio_init(48000);
|
||||
audio_init(option.sndrate);
|
||||
fm_restore();
|
||||
|
||||
/* reinitialize HVC tables */
|
||||
@ -399,10 +386,10 @@ void dos_update_input(void)
|
||||
bitmap.viewport.y = config.overscan ? (((reg[1] & 8) ? 0 : 8) + (vdp_pal ? 24 : 0)) : 0;
|
||||
bitmap.viewport.changed = 1;
|
||||
}
|
||||
|
||||
if(check_key(KEY_F10))
|
||||
{
|
||||
system_reset();
|
||||
}
|
||||
|
||||
|
||||
if(check_key(KEY_TAB)) set_softreset();
|
||||
}
|
||||
@ -516,7 +503,7 @@ void dos_update_video(void)
|
||||
{
|
||||
|
||||
//blit(gen_bmp, screen, 0x0, 0, center_x, center_y, width, height);
|
||||
stretch_blit(gen_bmp, screen, 0, 0, width, height, (SCREEN_W-352)/2, (SCREEN_H-240)/2, 352,240);
|
||||
stretch_blit(gen_bmp, screen, 0, 0, width, height, (SCREEN_W-352)/2, (SCREEN_H-240)/2, 352,240 << (interlaced ? 1:0));
|
||||
|
||||
}
|
||||
}
|
||||
|
@ -20,21 +20,6 @@ int check_key(int code);
|
||||
#define update_input() dos_update_input()
|
||||
#define MAX_INPUTS 8
|
||||
|
||||
/* options */
|
||||
extern uint8 overscan;
|
||||
extern uint8 use_480i;
|
||||
extern uint8 FM_GENS;
|
||||
extern uint8 hq_fm;
|
||||
extern uint8 ssg_enabled;
|
||||
extern double psg_preamp;
|
||||
extern double fm_preamp;
|
||||
extern uint8 boost;
|
||||
extern uint8 region_detect;
|
||||
extern uint8 sys_type[2];
|
||||
extern uint8 force_dtack;
|
||||
extern uint8 dmatiming;
|
||||
extern uint8 vdptiming;
|
||||
|
||||
extern uint8 debug_on;
|
||||
extern uint8 log_error;
|
||||
|
||||
|
@ -18,4 +18,5 @@
|
||||
#include "fileio.h"
|
||||
|
||||
volatile int frame_count;
|
||||
|
||||
#endif /* _OSD_H_ */
|
||||
|
@ -1,3 +1,3 @@
|
||||
To be compiled with DJGPP.
|
||||
COmpile with DJGPP.
|
||||
You will also need to install Allegro and Seal libraries.
|
||||
Zlib is required for zipped rom support.
|
@ -8,12 +8,12 @@
|
||||
# LSB_FIRST : for little endian systems.
|
||||
# X86_ASM : enable x86 assembly optimizations
|
||||
|
||||
NAME = gp_sdl
|
||||
NAME = gp_sdl.exe
|
||||
|
||||
CC = gcc
|
||||
CFLAGS = `sdl-config --cflags` -O6 -march=i686 -fomit-frame-pointer
|
||||
DEFINES = -DLSB_FIRST -DX86_ASM
|
||||
INCLUDES = -I. -I.. -I../cpu -I../m68k -I../dos -I../sound -I../sound/SRC -I../cart_hw -I../cart_hw/svp
|
||||
INCLUDES = -I. -I.. -I../z80 -I../m68k -I../dos -I../sound -I../sound/SRC -I../cart_hw -I../cart_hw/svp
|
||||
LIBS = `sdl-config --libs` -lz -lm
|
||||
|
||||
OBJECTS = obj/z80.o
|
||||
@ -88,7 +88,7 @@ obj/%.o : ../cart_hw/svp/%.c
|
||||
obj/%.o : ../cart_hw/svp/%.c ../cart_hw/svp/%.h
|
||||
$(CC) -c $(CFLAGS) $(INCLUDES) $(DEFINES) $< -o $@
|
||||
|
||||
obj/%.o : ../cpu/%.c ../cpu/%.h
|
||||
obj/%.o : ../z80/%.c ../z80/%.h
|
||||
$(CC) -c $(CFLAGS) $(INCLUDES) $(DEFINES) $< -o $@
|
||||
|
||||
obj/%.o : ../m68k/%.c ../m68k/%.h
|
||||
@ -98,8 +98,8 @@ obj/%.o : ./%.c ./%.h
|
||||
$(CC) -c $(CFLAGS) $(INCLUDES) $(DEFINES) $< -o $@
|
||||
|
||||
pack :
|
||||
strip $(EXE)
|
||||
upx -1 $(EXE)
|
||||
strip $(NAME)
|
||||
upx -9 $(NAME)
|
||||
|
||||
clean:
|
||||
rm -f $(OBJECTS) $(NAME)
|
||||
|
@ -17,8 +17,8 @@ void set_config_defaults(void)
|
||||
config.boost = 1;
|
||||
config.filter = 0;
|
||||
|
||||
config.hq_fm = 1;
|
||||
config.fm_core = 0;
|
||||
config.hq_fm = 0;
|
||||
config.fm_core = 1;
|
||||
|
||||
/* system options */
|
||||
config.freeze_auto = -1;
|
||||
|
@ -1,3 +1,7 @@
|
||||
/*
|
||||
error.c --
|
||||
Error logging
|
||||
*/
|
||||
|
||||
#include "osd.h"
|
||||
|
||||
|
@ -7,33 +7,43 @@ int timer_count = 0;
|
||||
int old_timer_count = 0;
|
||||
int paused = 0;
|
||||
int frame_count = 0;
|
||||
int frameticker = 0;
|
||||
int joynum = 0;
|
||||
|
||||
int update_input(void);
|
||||
unsigned char *keystate;
|
||||
unsigned char buf[0x24000];
|
||||
|
||||
uint8 log_error = 1;
|
||||
uint8 log_error = 0;
|
||||
uint8 debug_on = 0;
|
||||
|
||||
uint8 turbo_mode = 0;
|
||||
|
||||
Uint32 fps_callback(Uint32 interval)
|
||||
{
|
||||
if(paused) return 1000/60;
|
||||
if(paused) return 1000/vdp_rate;
|
||||
timer_count++;
|
||||
if(timer_count % 60 == 0)
|
||||
frameticker ++;
|
||||
if(timer_count % vdp_rate == 0)
|
||||
{
|
||||
int fps = frame_count;
|
||||
char caption[32];
|
||||
sprintf(caption, "Genesis Plus/SDL FPS=%d", fps);
|
||||
int fps = frame_count + 1;
|
||||
char caption[100];
|
||||
char region[10];
|
||||
if (region_code == REGION_USA) sprintf(region,"USA");
|
||||
else if (region_code == REGION_EUROPE) sprintf(region,"EUR");
|
||||
else sprintf(region,"JAP");
|
||||
sprintf(caption, "Genesis Plus/SDL - %s (%s) - %d fps (%d)", rominfo.international, region, fps, turbo_mode);
|
||||
SDL_WM_SetCaption(caption, NULL);
|
||||
frame_count = 0;
|
||||
|
||||
}
|
||||
return 1000/60;
|
||||
return 1000/vdp_rate;
|
||||
}
|
||||
|
||||
|
||||
int main (int argc, char **argv)
|
||||
{
|
||||
int running = 1;
|
||||
int sym;
|
||||
|
||||
SDL_Rect viewport, src;
|
||||
SDL_Surface *bmp, *screen;
|
||||
@ -61,17 +71,9 @@ int main (int argc, char **argv)
|
||||
exit(1);
|
||||
}
|
||||
|
||||
/* load SRAM */
|
||||
FILE *f = fopen("./game.srm", "rb");
|
||||
if (f!=NULL)
|
||||
{
|
||||
fread(&sram.sram,0x10000,1, f);
|
||||
fclose(f);
|
||||
}
|
||||
|
||||
/* load BIOS */
|
||||
memset(bios_rom, 0, sizeof(bios_rom));
|
||||
f = fopen("./BIOS.bin", "rb");
|
||||
FILE *f = fopen("./BIOS.bin", "rb");
|
||||
if (f!=NULL)
|
||||
{
|
||||
fread(&bios_rom, 0x800,1,f);
|
||||
@ -88,20 +90,30 @@ int main (int argc, char **argv)
|
||||
else config.bios_enabled = 0;
|
||||
|
||||
/* initialize SDL */
|
||||
viewport.x = 0;
|
||||
viewport.y = 0;
|
||||
viewport.w = 640;
|
||||
viewport.h = 480;
|
||||
src.x = 0;
|
||||
src.y = 0;
|
||||
src.w = viewport.w;
|
||||
src.h = viewport.h;
|
||||
|
||||
if(SDL_Init(SDL_INIT_VIDEO | SDL_INIT_TIMER) < 0)
|
||||
{
|
||||
exit(1);
|
||||
}
|
||||
SDL_WM_SetCaption("Genesis Plus/SDL", NULL);
|
||||
screen = SDL_SetVideoMode(viewport.w, viewport.h, 16, SDL_HWSURFACE);
|
||||
bmp = SDL_CreateRGBSurface(SDL_SWSURFACE, 1024, 512, 16, 0xF800, 0x07E0, 0x001F, 0x0000);
|
||||
viewport.x = 0;
|
||||
viewport.y = 0;
|
||||
|
||||
bmp = SDL_CreateRGBSurface(SDL_SWSURFACE, 360, 576, 16, 0xF800, 0x07E0, 0x001F, 0x0000);
|
||||
|
||||
/* initialize Genesis screen */
|
||||
memset(&bitmap, 0, sizeof(t_bitmap));
|
||||
bitmap.width = 1024;
|
||||
bitmap.height = 512;
|
||||
bitmap.width = 360;
|
||||
bitmap.height = 576;
|
||||
bitmap.depth = 16;
|
||||
bitmap.granularity = 2;
|
||||
bitmap.pitch = (bitmap.width * bitmap.granularity);
|
||||
@ -117,19 +129,32 @@ int main (int argc, char **argv)
|
||||
input.system[0] = SYSTEM_GAMEPAD;
|
||||
input.system[1] = SYSTEM_GAMEPAD;
|
||||
|
||||
/* initialize emulation */
|
||||
int buf_len = (44100 * 4) / vdp_rate;
|
||||
snd.buffer[0] = malloc (buf_len/2);
|
||||
snd.buffer[1] = malloc (buf_len/2);
|
||||
memset (snd.buffer[0], 0, buf_len/2);
|
||||
memset (snd.buffer[1], 0, buf_len/2);
|
||||
/* initialize emulation */
|
||||
system_init();
|
||||
audio_init(44100);
|
||||
int buf_len = (48000 * 4) / vdp_rate;
|
||||
snd.buffer[0] = malloc (buf_len/2);
|
||||
snd.buffer[1] = malloc (buf_len/2);
|
||||
memset (snd.buffer[0], 0, buf_len/2);
|
||||
memset (snd.buffer[1], 0, buf_len/2);
|
||||
audio_init(48000);
|
||||
|
||||
/* load SRAM */
|
||||
f = fopen("./game.srm", "rb");
|
||||
if (f!=NULL)
|
||||
{
|
||||
fread(&sram.sram,0x10000,1, f);
|
||||
fclose(f);
|
||||
}
|
||||
|
||||
/* reset emulation */
|
||||
system_reset();
|
||||
|
||||
|
||||
/* emulation loop */
|
||||
SDL_SetTimer(1000/60, fps_callback);
|
||||
SDL_SetTimer(1000/vdp_rate, fps_callback);
|
||||
SDL_ShowCursor(0);
|
||||
int now, prev = SDL_GetTicks();
|
||||
|
||||
|
||||
while(running)
|
||||
{
|
||||
while (SDL_PollEvent(&event))
|
||||
@ -147,6 +172,75 @@ int main (int argc, char **argv)
|
||||
}
|
||||
break;
|
||||
|
||||
case SDL_KEYDOWN: /* user options */
|
||||
sym = event.key.keysym.sym;
|
||||
|
||||
if(sym == SDLK_TAB) system_reset();
|
||||
if(sym == SDLK_F5) log_error ^=1;
|
||||
if(sym == SDLK_F6)
|
||||
{
|
||||
turbo_mode ^=1;
|
||||
frameticker = 0;
|
||||
}
|
||||
else if(sym == SDLK_F7)
|
||||
{
|
||||
f = fopen("game.gpz","r+b");
|
||||
if (f)
|
||||
{
|
||||
fread(&buf, 0x23000, 1, f);
|
||||
state_load(buf);
|
||||
fclose(f);
|
||||
}
|
||||
}
|
||||
else if(sym == SDLK_F8)
|
||||
{
|
||||
f = fopen("game.gpz","w+b");
|
||||
if (f)
|
||||
{
|
||||
state_save(buf);
|
||||
fwrite(&buf, 0x23000, 1, f);
|
||||
fclose(f);
|
||||
}
|
||||
}
|
||||
else if(sym == SDLK_F9)
|
||||
{
|
||||
vdp_pal ^= 1;
|
||||
|
||||
/* reinitialize timings */
|
||||
system_init ();
|
||||
audio_init(48000);
|
||||
fm_restore();
|
||||
|
||||
/* reinitialize HVC tables */
|
||||
vctab = (vdp_pal) ? ((reg[1] & 8) ? vc_pal_240 : vc_pal_224) : vc_ntsc_224;
|
||||
hctab = (reg[12] & 1) ? cycle2hc40 : cycle2hc32;
|
||||
|
||||
/* reinitialize overscan area */
|
||||
bitmap.viewport.x = config.overscan ? ((reg[12] & 1) ? 16 : 12) : 0;
|
||||
bitmap.viewport.y = config.overscan ? (((reg[1] & 8) ? 0 : 8) + (vdp_pal ? 24 : 0)) : 0;
|
||||
bitmap.viewport.changed = 1;
|
||||
}
|
||||
else if(sym == SDLK_F10) set_softreset();
|
||||
else if(sym == SDLK_F11)
|
||||
{
|
||||
joynum ++;
|
||||
if (joynum > MAX_DEVICES - 1) joynum = 0;
|
||||
while (input.dev[joynum] == NO_DEVICE)
|
||||
{
|
||||
joynum ++;
|
||||
if (joynum > MAX_DEVICES - 1) joynum = 0;
|
||||
}
|
||||
}
|
||||
else if(sym == SDLK_ESCAPE) running = 0;
|
||||
else if(sym == SDLK_F12)
|
||||
{
|
||||
config.overscan ^= 1;
|
||||
bitmap.viewport.x = config.overscan ? ((reg[12] & 1) ? 16 : 12) : 0;
|
||||
bitmap.viewport.y = config.overscan ? (((reg[1] & 8) ? 0 : 8) + (vdp_pal ? 24 : 0)) : 0;
|
||||
bitmap.viewport.changed = 1;
|
||||
}
|
||||
break;
|
||||
|
||||
default:
|
||||
break;
|
||||
}
|
||||
@ -154,77 +248,131 @@ int main (int argc, char **argv)
|
||||
|
||||
if(!paused)
|
||||
{
|
||||
frame_count++;
|
||||
|
||||
if(!system_frame(0))
|
||||
system_reset();
|
||||
|
||||
if(bitmap.viewport.changed)
|
||||
if (frameticker > 1)
|
||||
{
|
||||
bitmap.viewport.changed = 0;
|
||||
src.w = (bitmap.viewport.w + 2 * bitmap.viewport.x);
|
||||
src.h = (bitmap.viewport.h + 2 * bitmap.viewport.y) << (interlaced ? 1:0);
|
||||
viewport.w = src.w;
|
||||
viewport.h = src.h;
|
||||
viewport.x = (640 - viewport.w) / 2;
|
||||
viewport.y = (480 - viewport.h) / 2;
|
||||
//screen = SDL_SetVideoMode(bitmap.viewport.w, bitmap.viewport.h, 16, SDL_SWSURFACE);
|
||||
SDL_BlitSurface(bmp, &src, screen, &viewport);
|
||||
SDL_UpdateRect(screen, viewport.x, viewport.y, viewport.w, viewport.h);
|
||||
/* Frame skipping */
|
||||
frameticker--;
|
||||
system_frame (1);
|
||||
}
|
||||
else
|
||||
{
|
||||
/* Delay */
|
||||
while (!frameticker && !turbo_mode) SDL_Delay(1);
|
||||
|
||||
system_frame (0);
|
||||
frame_count++;
|
||||
}
|
||||
|
||||
frameticker--;
|
||||
|
||||
if(bitmap.viewport.changed)
|
||||
{
|
||||
bitmap.viewport.changed = 0;
|
||||
src.w = (bitmap.viewport.w + 2 * bitmap.viewport.x);
|
||||
src.h = (bitmap.viewport.w + 2*bitmap.viewport.x) << ((config.render && interlaced) ? 1:0);
|
||||
|
||||
viewport.w = bitmap.viewport.w + 2*bitmap.viewport.x;
|
||||
viewport.h = bitmap.viewport.h + 2*bitmap.viewport.y;
|
||||
viewport.x = (640 - viewport.w)/2;
|
||||
viewport.y = ((480 - viewport.h)/2);
|
||||
}
|
||||
|
||||
SDL_BlitSurface(bmp, &src, screen, &viewport);
|
||||
//SDL_Flip(screen);
|
||||
SDL_UpdateRect(screen, viewport.x, viewport.y, viewport.w, viewport.h);
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
system_shutdown();
|
||||
SDL_Quit();
|
||||
error_shutdown();
|
||||
system_shutdown();
|
||||
SDL_FreeSurface(bmp);
|
||||
SDL_FreeSurface(screen);
|
||||
SDL_Quit();
|
||||
error_shutdown();
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
|
||||
/* Check if a key is pressed */
|
||||
int check_key(int code)
|
||||
{
|
||||
static char lastbuf[0x100] = {0};
|
||||
|
||||
if((!keystate[code]) && (lastbuf[code] == 1))
|
||||
lastbuf[code] = 0;
|
||||
|
||||
if((keystate[code]) && (lastbuf[code] == 0))
|
||||
{
|
||||
lastbuf[code] = 1;
|
||||
return (1);
|
||||
}
|
||||
|
||||
return (0);
|
||||
return 0;
|
||||
}
|
||||
|
||||
int update_input(void)
|
||||
{
|
||||
int running = 1;
|
||||
|
||||
keystate = SDL_GetKeyState(NULL);
|
||||
|
||||
memset(&input, 0, sizeof(t_input));
|
||||
if(keystate[SDLK_UP]) input.pad[0] |= INPUT_UP;
|
||||
else
|
||||
if(keystate[SDLK_DOWN]) input.pad[0] |= INPUT_DOWN;
|
||||
if(keystate[SDLK_LEFT]) input.pad[0] |= INPUT_LEFT;
|
||||
else
|
||||
if(keystate[SDLK_RIGHT]) input.pad[0] |= INPUT_RIGHT;
|
||||
while (input.dev[joynum] == NO_DEVICE)
|
||||
{
|
||||
joynum ++;
|
||||
if (joynum > MAX_DEVICES - 1) joynum = 0;
|
||||
}
|
||||
|
||||
if(keystate[SDLK_a]) input.pad[0] |= INPUT_A;
|
||||
if(keystate[SDLK_s]) input.pad[0] |= INPUT_B;
|
||||
if(keystate[SDLK_d]) input.pad[0] |= INPUT_C;
|
||||
if(keystate[SDLK_f]) input.pad[0] |= INPUT_START;
|
||||
if(keystate[SDLK_z]) input.pad[0] |= INPUT_X;
|
||||
if(keystate[SDLK_x]) input.pad[0] |= INPUT_Y;
|
||||
if(keystate[SDLK_c]) input.pad[0] |= INPUT_Z;
|
||||
if(keystate[SDLK_v]) input.pad[0] |= INPUT_MODE;
|
||||
/* reset input */
|
||||
input.pad[joynum] = 0;
|
||||
|
||||
/* keyboard */
|
||||
if(keystate[SDLK_UP]) input.pad[joynum] |= INPUT_UP;
|
||||
else
|
||||
if(keystate[SDLK_DOWN]) input.pad[joynum] |= INPUT_DOWN;
|
||||
if(keystate[SDLK_LEFT]) input.pad[joynum] |= INPUT_LEFT;
|
||||
else
|
||||
if(keystate[SDLK_RIGHT]) input.pad[joynum] |= INPUT_RIGHT;
|
||||
|
||||
if(keystate[SDLK_TAB]) system_reset();
|
||||
if(keystate[SDLK_a]) input.pad[joynum] |= INPUT_A;
|
||||
if(keystate[SDLK_s]) input.pad[joynum] |= INPUT_B;
|
||||
if(keystate[SDLK_d]) input.pad[joynum] |= INPUT_C;
|
||||
if(keystate[SDLK_f]) input.pad[joynum] |= INPUT_START;
|
||||
if(keystate[SDLK_z]) input.pad[joynum] |= INPUT_X;
|
||||
if(keystate[SDLK_x]) input.pad[joynum] |= INPUT_Y;
|
||||
if(keystate[SDLK_c]) input.pad[joynum] |= INPUT_Z;
|
||||
if(keystate[SDLK_v]) input.pad[joynum] |= INPUT_MODE;
|
||||
|
||||
if(keystate[SDLK_ESCAPE]) running = 0;
|
||||
return (running);
|
||||
extern uint8 pico_current;
|
||||
if (input.dev[joynum] == DEVICE_LIGHTGUN)
|
||||
{
|
||||
/* get mouse (absolute values) */
|
||||
int x,y;
|
||||
int state = SDL_GetMouseState(&x,&y);
|
||||
|
||||
/* Calculate X Y axis values */
|
||||
input.analog[joynum - 4][0] = (x * bitmap.viewport.w) / 640;
|
||||
input.analog[joynum - 4][1] = (y * bitmap.viewport.h) / 480;
|
||||
|
||||
/* Map mouse buttons to player #1 inputs */
|
||||
if(state & SDL_BUTTON_MMASK) input.pad[joynum] |= INPUT_C;
|
||||
if(state & SDL_BUTTON_RMASK) input.pad[joynum] |= INPUT_B;
|
||||
if(state & SDL_BUTTON_LMASK) input.pad[joynum] |= INPUT_A;
|
||||
}
|
||||
else if (input.dev[joynum] == DEVICE_MOUSE)
|
||||
{
|
||||
/* get mouse (relative values) */
|
||||
int x,y;
|
||||
int state = SDL_GetRelativeMouseState(&x,&y);
|
||||
|
||||
/* Sega Mouse range is -256;+256 */
|
||||
input.analog[2][0] = x;
|
||||
input.analog[2][1] = y;
|
||||
|
||||
/* Vertical movement is upsidedown */
|
||||
if (!config.invert_mouse) input.analog[2][1] = 0 - input.analog[2][1];
|
||||
|
||||
/* Map mouse buttons to player #1 inputs */
|
||||
if(state & SDL_BUTTON_MMASK) input.pad[joynum] |= INPUT_C;
|
||||
if(state & SDL_BUTTON_RMASK) input.pad[joynum] |= INPUT_A;
|
||||
if(state & SDL_BUTTON_LMASK) input.pad[joynum] |= INPUT_B;
|
||||
}
|
||||
else if (system_hw == SYSTEM_PICO)
|
||||
{
|
||||
/* get mouse (absolute values) */
|
||||
int x,y;
|
||||
int state = SDL_GetMouseState(&x,&y);
|
||||
|
||||
/* Calculate X Y axis values */
|
||||
input.analog[0][0] = 0x3c + (x * (0x17c-0x03c+1)) / 640;
|
||||
input.analog[0][1] = 0x1fc + (y * (0x2f7-0x1fc+1)) / 480;
|
||||
|
||||
/* Map mouse buttons to player #1 inputs */
|
||||
if(state & SDL_BUTTON_MMASK) pico_current++;
|
||||
if(state & SDL_BUTTON_RMASK) input.pad[joynum] |= INPUT_A;
|
||||
if(state & SDL_BUTTON_LMASK) input.pad[joynum] |= INPUT_B;
|
||||
}
|
||||
|
||||
|
||||
/* options */
|
||||
return (1);
|
||||
}
|
||||
|
@ -7,6 +7,7 @@
|
||||
|
||||
extern uint8 debug_on;
|
||||
extern uint8 log_error;
|
||||
extern int frame_count;
|
||||
|
||||
|
||||
#endif /* _MAIN_H_ */
|
||||
|
@ -1,3 +1,5 @@
|
||||
To be compiled with MinGW.
|
||||
You will also need to install SDL library
|
||||
Zlib is required for zipped rom support.
|
||||
Compile with MinGW.
|
||||
You will also need to install the SDL library (http://www.libsdl.org/).
|
||||
Zlib is required for zipped rom support.
|
||||
|
||||
Please distribute required dlls with the executable.
|
@ -626,7 +626,9 @@ void vdp_data_w(unsigned int data)
|
||||
return;
|
||||
}
|
||||
|
||||
/* FIFO emulation */
|
||||
/* update VDP FIFO (during HDISPLAY only) */
|
||||
if (!(status&8) && (reg[1]&0x40))
|
||||
{
|
||||
fifo_update();
|
||||
if (fifo_write_cnt == 0)
|
||||
{
|
||||
@ -647,6 +649,7 @@ void vdp_data_w(unsigned int data)
|
||||
|
||||
/* VDP latency (Chaos Engine, Soldiers of Fortune, Double Clutch) */
|
||||
if (fifo_write_cnt > 4) count_m68k = fifo_lastwrite + fifo_latency;
|
||||
}
|
||||
}
|
||||
|
||||
/* write data */
|
||||
|
Loading…
Reference in New Issue
Block a user