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fixed default scaling in STRETCH mode, fixed DPAD fast scroll, improved YM2612 enveloppe emulation

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This commit is contained in:
ekeeke31 2008-09-10 14:31:13 +00:00
parent a2751bb7f3
commit 0c3c721bd0
5 changed files with 29 additions and 16 deletions
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5
history.txt
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@ -3,8 +3,13 @@ Genesis Plus for Gamecube
CURRENT:
---------
[Genesis]
- YM2612(MAME): improved Enveloppe Generator accuracy: fix tracks #3 and #9 in Mega Turrican
[NGC/Wii]
- improved menu scrolling using Wiimote D-PAD
- fixed config file incompatibility between GC and Wii versions
26/08/2008:

2
source/ngc/ogc_input.c
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@ -71,7 +71,7 @@ static const u16 pad_keys[8] =
#define PAD_LEFT 2
#define PAD_RIGHT 3
#define MAX_HELD_CNT 100
#define MAX_HELD_CNT 10
static u32 held_cnt = 0;
static u32 wpad_dirmap[3][4] =

10
source/ngc/ogc_video.c
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@ -382,19 +382,19 @@ static void gxScale(void)
{
int xscale, yscale, xshift, yshift, i;
/* borders are emulated */
if (config.overscan)
{
if (config.aspect)
{
/* borders are emulated */
xscale = (reg[12] & 1) ? 360 : 358;
xscale = (reg[12] & 1) ? 360 : 358;
if (gc_pal) xscale -= 1;
yscale = (gc_pal && !config.render) ? (vdp_pal ? 144:143) : (vdp_pal ? 121:120);
}
else
{
/* fullscreen stretch */
xscale = gc_pal ? 354 : 367;
xscale = bitmap.viewport.w + 2*bitmap.viewport.x;
yscale = (gc_pal && !config.render) ? (vdp_pal ? (268*144 / bitmap.viewport.h):143) : (vdp_pal ? (224*144 / bitmap.viewport.h):120);
}
@ -413,8 +413,8 @@ static void gxScale(void)
}
else
{
/* fullscreen stretch */
xscale = gc_pal ? 321 : 334;
/* fit screen */
xscale = 320;
yscale = (gc_pal && !config.render) ? 134 : 112;
}

22
source/sound/fm.c
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@ -21,7 +21,9 @@
** - modified EG rates and frequency, tested by Nemesis on real hardware
** - fixed EG attenuation level on KEY ON (Ecco 2 splash sound)
** - fixed LFO phase update for CH3 special mode (Warlock, Alladin), thanks to AamirM
** - fixed Attack rate refresh (fix Batman&Robin introduction)
** - fixed Attack rate refresh (fix Batman&Robin introduction)$
** - fixed attenuation level when starting Substain Phase (Gynoug ?)
** - fixed Enveloppe Generator updates in some specific cases (AR maximal and/or Susbstain Level minimal)
**
** 03-08-2003 Jarek Burczynski:
** - fixed YM2608 initial values (after the reset)
@ -660,9 +662,9 @@ INLINE void FM_KEYON(FM_CH *CH , int s )
}
else
{
/* directly switch to Decay */
/* directly switch to Decay (or Substain) */
SLOT->volume = MIN_ATT_INDEX;
SLOT->state = EG_DEC;
SLOT->state = (SLOT->sl == MIN_ATT_INDEX) ? EG_SUS : EG_DEC;
}
}
}
@ -933,7 +935,7 @@ INLINE void advance_eg_channel(FM_SLOT *SLOT)
if (SLOT->volume <= MIN_ATT_INDEX)
{
SLOT->volume = MIN_ATT_INDEX;
SLOT->state = EG_DEC;
SLOT->state = (SLOT->sl == MIN_ATT_INDEX) ? EG_SUS : EG_DEC;
}
}
break;
@ -947,7 +949,10 @@ INLINE void advance_eg_channel(FM_SLOT *SLOT)
SLOT->volume += 6 * eg_inc[SLOT->eg_sel_d1r + ((ym2612.OPN.eg_cnt>>SLOT->eg_sh_d1r)&7)]; /* from Nemesis */
if ( SLOT->volume >= (INT32)(SLOT->sl) )
SLOT->state = EG_SUS;
{
SLOT->volume = (INT32)(SLOT->sl);
SLOT->state = EG_SUS;
}
}
}
else
@ -957,7 +962,10 @@ INLINE void advance_eg_channel(FM_SLOT *SLOT)
SLOT->volume += eg_inc[SLOT->eg_sel_d1r + ((ym2612.OPN.eg_cnt>>SLOT->eg_sh_d1r)&7)];
if ( SLOT->volume >= (INT32)(SLOT->sl) )
{
SLOT->volume = (INT32)(SLOT->sl);
SLOT->state = EG_SUS;
}
}
}
break;
@ -993,14 +1001,14 @@ INLINE void advance_eg_channel(FM_SLOT *SLOT)
if ((SLOT->ar + SLOT->ksr) < 94 /*32+62*/)
{
SLOT->state = EG_ATT; /* phase -> Attack */
SLOT->volume = MAX_ATT_INDEX;
SLOT->state = EG_ATT; /* phase -> Attack */
}
else
{
/* Attack Rate is maximal: directly switch to Decay */
SLOT->state = EG_DEC;
SLOT->volume = MIN_ATT_INDEX;
SLOT->state = (SLOT->sl == MIN_ATT_INDEX) ? EG_SUS : EG_DEC;
}
swap_flag = (SLOT->ssg&0x02); /* bit 1 = alternate */

6
source/vdp.c
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@ -212,7 +212,7 @@ void vdp_reset(void)
/* reset border area */
bitmap.viewport.x = config.overscan ? 12 : 0;
bitmap.viewport.y = config.overscan ? (vdp_pal ? 32 : 8) : 0;
bitmap.viewport.changed = 1;
bitmap.viewport.changed = 1;
/* initialize some registers (normally set by BIOS) */
if (config.bios_enabled != 3)
@ -223,8 +223,8 @@ void vdp_reset(void)
vdp_reg_w(15, 0x02); /* auto increment */
}
/* default latency */
fifo_latency = 27;
/* default latency */
fifo_latency = 27;
}
void vdp_shutdown(void)