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From: hoge hoge [c8cv@hotmail.com]

Browse Source 
Sent: Thursday, July 23, 2009 1:11 PM
To: submit@mamedev.org
Subject: scudhamm analog controls improved
Hi,

Attached is a diff for mame 0133 that changes Scud Hammer analog controls 
from paddle to accelerometer. Previously, if you did nothing, the paddle 
control caused the hammer to smash automatically.

Greets,
hap
This commit is contained in:
Aaron Giles 2009-08-02 18:31:11 +00:00
parent 0df8391ad7
commit 64e4c6b35f
1 changed files with 23 additions and 7 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

30
src/mame/drivers/cischeat.c
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@ -447,7 +447,6 @@ UINT16 scudhamm_motor_command;
READ16_HANDLER( scudhamm_motor_status_r )
{
// return 1 << (mame_rand(space->machine)&1); // Motor Status
return scudhamm_motor_command; // Motor Status
}
@ -474,7 +473,24 @@ static WRITE16_HANDLER( scudhamm_motor_command_w )
READ16_HANDLER( scudhamm_analog_r )
{
return input_port_read(space->machine, "IN1");
static int prev=0;
int i=input_port_read(space->machine, "IN1"),j;
if ((i^prev)&0x4000) {
if (i<prev) prev-=0x8000;
else prev+=0x8000;
}
j=i-prev;
prev=i;
/* effect of hammer collision 'accelerometer':
$00 - $09 - no hit
$0A - $3F - soft hit
$40 - $FF - hard hit */
if (j<0) return 0;
else if (j>0xff) return 0xff;
return j;
}
/*
@ -530,7 +546,7 @@ static ADDRESS_MAP_START( scudhamm_map, ADDRESS_SPACE_PROGRAM, 16 )
AM_RANGE(0x100018, 0x100019) AM_DEVREADWRITE8("oki2", okim6295_r, okim6295_w, 0x00ff) //
AM_RANGE(0x10001c, 0x10001d) AM_WRITE(scudhamm_enable_w) // ?
AM_RANGE(0x100040, 0x100041) AM_READ(scudhamm_analog_r) AM_WRITE(SMH_NOP) // A / D
AM_RANGE(0x100044, 0x100045) AM_READ(scudhamm_motor_pos_r ) // Motor Position
AM_RANGE(0x100044, 0x100045) AM_READ(scudhamm_motor_pos_r) // Motor Position
AM_RANGE(0x100050, 0x100051) AM_READWRITE(scudhamm_motor_status_r, scudhamm_motor_command_w) // Motor Limit Switches
AM_RANGE(0x10005c, 0x10005d) AM_READ_PORT("IN2") // 2 x DSW
ADDRESS_MAP_END
@ -1302,9 +1318,9 @@ static INPUT_PORTS_START( scudhamm )
PORT_BIT( 0x0040, IP_ACTIVE_LOW, IPT_UNKNOWN )
PORT_BIT( 0x0080, IP_ACTIVE_LOW, IPT_UNKNOWN )
PORT_BIT( 0x0100, IP_ACTIVE_HIGH, IPT_BUTTON1 ) // Gu
PORT_BIT( 0x0200, IP_ACTIVE_HIGH, IPT_BUTTON2 ) // Choki
PORT_BIT( 0x0400, IP_ACTIVE_HIGH, IPT_BUTTON3 ) // Pa
PORT_BIT( 0x0100, IP_ACTIVE_HIGH, IPT_BUTTON1 ) // Gu (rock)
PORT_BIT( 0x0200, IP_ACTIVE_HIGH, IPT_BUTTON2 ) // Choki (scissors)
PORT_BIT( 0x0400, IP_ACTIVE_HIGH, IPT_BUTTON3 ) // Pa (paper)
PORT_BIT( 0x0800, IP_ACTIVE_LOW, IPT_UNKNOWN )
PORT_BIT( 0x1000, IP_ACTIVE_LOW, IPT_UNKNOWN )
PORT_BIT( 0x2000, IP_ACTIVE_LOW, IPT_UNKNOWN )
@ -1312,7 +1328,7 @@ static INPUT_PORTS_START( scudhamm )
PORT_BIT( 0x8000, IP_ACTIVE_LOW, IPT_UNKNOWN )
PORT_START("IN1") // A/D
PORT_BIT( 0x00ff, 0x0000, IPT_PADDLE ) PORT_MINMAX(0x0000,0x00ff) PORT_SENSITIVITY(1) PORT_KEYDELTA(0)
PORT_BIT( 0x7fff, 0x0000, IPT_DIAL_V ) PORT_SENSITIVITY(50) PORT_KEYDELTA(50)
PORT_START("IN2") // DSW
PORT_DIPNAME( 0x0003, 0x0003, DEF_STR( Difficulty ) ) PORT_DIPLOCATION("SW3:1,2")