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platforms, display pad overlay and storyware pages for Pico

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This commit is contained in:
kub 2024-03-20 23:43:10 +01:00
parent da4148881e
commit 15cc45c0da
14 changed files with 260 additions and 109 deletions
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119
platform/common/emu.c
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@ -1,6 +1,7 @@
/*
* PicoDrive
* (C) notaz, 2007-2010
* (C) irixxxx, 2019-2024
*
* This work is licensed under the terms of MAME license.
* See COPYING file in the top-level directory.
@ -19,6 +20,7 @@
#include "../libpicofe/fonts.h"
#include "../libpicofe/sndout.h"
#include "../libpicofe/lprintf.h"
#include "../libpicofe/readpng.h"
#include "../libpicofe/plat.h"
#include "emu.h"
#include "input_pico.h"
@ -618,7 +620,7 @@ void emu_prep_defconfig(void)
{
memset(&defaultConfig, 0, sizeof(defaultConfig));
defaultConfig.EmuOpt = EOPT_EN_SRAM | EOPT_EN_SOUND | EOPT_16BPP |
EOPT_EN_CD_LEDS | EOPT_GZIP_SAVES | 0x10/*?*/;
EOPT_EN_CD_LEDS | EOPT_GZIP_SAVES | EOPT_PICO_PEN;
defaultConfig.s_PicoOpt = POPT_EN_SNDFILTER|POPT_EN_GG_LCD|POPT_EN_YM2413 |
POPT_EN_STEREO|POPT_EN_FM|POPT_EN_PSG|POPT_EN_Z80 |
POPT_EN_MCD_PCM|POPT_EN_MCD_CDDA|POPT_EN_MCD_GFX |
@ -1041,19 +1043,76 @@ void emu_reset_game(void)
reset_timing = 1;
}
static int pico_page;
static int pico_w, pico_h;
static u16 *pico_overlay;
static u16 *load_pico_overlay(int page, int w, int h)
{
static const char *pic_exts[] = { "png", "PNG" };
char *ext, *fname = NULL;
int extpos, i;
if (pico_page == page && pico_w == w && pico_h == h)
return pico_overlay;
pico_page = page;
pico_w = w, pico_h = h;
ext = strrchr(rom_fname_loaded, '.');
extpos = ext ? ext-rom_fname_loaded : strlen(rom_fname_loaded);
strcpy(static_buff, rom_fname_loaded);
static_buff[extpos++] = '_';
if (page < 0) {
static_buff[extpos++] = 'p';
static_buff[extpos++] = 'a';
static_buff[extpos++] = 'd';
} else
static_buff[extpos++] = '0'+PicoPicohw.page;
static_buff[extpos++] = '.';
for (i = 0; i < ARRAY_SIZE(pic_exts); i++) {
strcpy(static_buff+extpos, pic_exts[i]);
if (access(static_buff, R_OK) == 0) {
printf("found Pico file: %s\n", static_buff);
fname = static_buff;
break;
}
}
pico_overlay = realloc(pico_overlay, w*h*2);
memset(pico_overlay, 0, w*h*2);
if (!fname || !pico_overlay || readpng(pico_overlay, fname, READPNG_SCALE, w, h)) {
if (pico_overlay)
free(pico_overlay);
pico_overlay = NULL;
}
return pico_overlay;
}
void emu_pico_overlay(u16 *pd, int w, int h, int pitch)
{
u16 *overlay = NULL;
int y, oh = h;
// get overlay
if (pico_inp_mode == 1) {
oh = (w/2 < h ? w/2 : h); // storyware has squished h
overlay = load_pico_overlay(PicoPicohw.page, w, oh);
} else if (pico_inp_mode == 2)
overlay = load_pico_overlay(-1, w, oh);
// copy overlay onto buffer
if (overlay) {
for (y = 0; y < oh; y++)
memcpy(pd + y*pitch, overlay + y*w, w*2);
if (y < h)
memset(pd + y*pitch, 0, w*2);
}
}
void run_events_pico(unsigned int events)
{
if (events & PEV_PICO_SWINP) {
pico_inp_mode++;
if (pico_inp_mode > 2)
pico_inp_mode = 0;
switch (pico_inp_mode) {
case 2: emu_status_msg("Input: Pen on Pad"); break;
case 1: emu_status_msg("Input: Pen on Storyware"); break;
case 0: emu_status_msg("Input: Joystick"); break;
}
PicoPicohw.pen_pos[0] = PicoPicohw.pen_pos[1] = 0x8000;
}
if (events & PEV_PICO_PPREV) {
PicoPicohw.page--;
if (PicoPicohw.page < 0)
@ -1066,16 +1125,35 @@ void run_events_pico(unsigned int events)
PicoPicohw.page = 6;
emu_status_msg("Page %i", PicoPicohw.page);
}
if (events & PEV_PICO_SHPEN) {
currentConfig.EmuOpt ^= EOPT_PICO_PEN;
emu_status_msg("%s Pen", currentConfig.EmuOpt & EOPT_PICO_PEN ? "Show" : "Hide");
if (events & PEV_PICO_STORY) {
if (pico_inp_mode == 1) {
pico_inp_mode = 0;
emu_status_msg("Input: D-Pad");
} else {
pico_inp_mode = 1;
emu_status_msg("Input: Pen on Storyware");
}
}
if (events & PEV_PICO_PPOSV) {
if (events & PEV_PICO_PAD) {
if (pico_inp_mode == 2) {
pico_inp_mode = 0;
emu_status_msg("Input: D-Pad");
} else {
pico_inp_mode = 2;
emu_status_msg("Input: Pen on Pad");
}
}
if (events & PEV_PICO_PENST) {
PicoPicohw.pen_pos[0] ^= 0x8000;
PicoPicohw.pen_pos[1] ^= 0x8000;
emu_status_msg("Pen %s", PicoPicohw.pen_pos[0] & 0x8000 ? "Up" : "Down");
}
if ((currentConfig.EmuOpt & EOPT_PICO_PEN) &&
(PicoIn.pad[0]&0x20) && pico_inp_mode && pico_overlay) {
pico_inp_mode = 0;
emu_status_msg("Input: D-Pad");
}
if (pico_inp_mode == 0)
return;
@ -1086,14 +1164,15 @@ void run_events_pico(unsigned int events)
if (PicoIn.pad[0] & 8) pico_pen_x++;
PicoIn.pad[0] &= ~0x0f; // release UDLR
/* cursor position, cursor drawing must not cross screen borders */
if (pico_pen_y < PICO_PEN_ADJUST_Y)
pico_pen_y = PICO_PEN_ADJUST_Y;
if (pico_pen_y > 224-1 - PICO_PEN_ADJUST_Y)
pico_pen_y = 224-1 - PICO_PEN_ADJUST_Y;
if (pico_pen_y > 223-1 - PICO_PEN_ADJUST_Y)
pico_pen_y = 223-1 - PICO_PEN_ADJUST_Y;
if (pico_pen_x < PICO_PEN_ADJUST_X)
pico_pen_x = PICO_PEN_ADJUST_X;
if (pico_pen_x > 320-1 - PICO_PEN_ADJUST_X)
pico_pen_x = 320-1 - PICO_PEN_ADJUST_X;
if (pico_pen_x > 319-1 - PICO_PEN_ADJUST_X)
pico_pen_x = 319-1 - PICO_PEN_ADJUST_X;
PicoPicohw.pen_pos[0] &= 0x8000;
PicoPicohw.pen_pos[1] &= 0x8000;