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Remove monkelf hacks and emulate properly.

This commit is contained in:
iq_132 2015-02-19 03:09:21 +00:00
parent 79b7ca4bcb
commit ec35172992
1 changed files with 14 additions and 21 deletions
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35
src/burn/drv/pre90s/d_megasys1.cpp
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@ -75,6 +75,7 @@ static INT32 layer_color_config[4] = { 0, 0x100, 0x200, 0x300 };
static UINT32 m_layers_order[0x10];
static INT32 scroll_factor_8x8[3] = { 1, 1, 1 };
static INT32 tshingen = 0;
static INT32 monkelf = 0;
static struct BurnInputInfo CommonInputList[] = {
{"P1 Coin", BIT_DIGITAL, DrvJoy1 + 6, "p1 coin" },
@ -1494,6 +1495,8 @@ static void __fastcall megasys_palette_write_byte(UINT32 address, UINT8 data)
megasys_palette_write(address);
}
static int countera = 0;
static void update_video_regs(INT32 offset)
{
offset &= 0x3fe;
@ -1523,6 +1526,7 @@ static void update_video_regs(INT32 offset)
return;
case 0x200:
if ((data & 0x0f) > 0x0d && monkelf) data -= 0x10;
scrollx[0] = data;
return;
@ -1535,6 +1539,7 @@ static void update_video_regs(INT32 offset)
return;
case 0x208:
if ((data & 0x0f) > 0x0b && monkelf) data -= 0x10;
scrollx[1] = data;
return;
@ -2164,13 +2169,9 @@ static void __fastcall megasys_sound_write_word(UINT32 address, UINT16 data)
}
}
static void __fastcall megasys1z_sound_write(UINT16 address, UINT8 /*data*/)
static void __fastcall megasys1z_sound_write(UINT16 /*address*/, UINT8 /*data*/)
{
switch (address)
{
case 0xf000:
return; // nop
}
}
static UINT8 __fastcall megasys1z_sound_read(UINT16 address)
@ -2178,7 +2179,6 @@ static UINT8 __fastcall megasys1z_sound_read(UINT16 address)
switch (address)
{
case 0xe000:
// ZetSetIRQLine(0, CPU_IRQSTATUS_NONE);
return soundlatch;
}
@ -2884,6 +2884,8 @@ static INT32 DrvExit()
layer_color_config[1] = 0x100;
layer_color_config[2] = 0x200;
layer_color_config[3] = 0x300;
monkelf = 0;
tshingen = 0;
BurnFree (AllMem);
@ -4852,6 +4854,9 @@ static UINT16 __fastcall monkelf_read_word(UINT32 address)
case 0xe000a:
return DrvInputs[0];
case 0xe000e:
return 0;
}
return 0xffff;
@ -4893,15 +4898,7 @@ static UINT8 __fastcall monkelf_read_byte(UINT32 address)
static void monkelfCallback()
{
*((UINT16*)(Drv68KROM0 + 0x0744)) = 0x4e71; // bypass trap (why?)
*((UINT16*)(Drv68KROM0 + 0x2d74)) = 0x30ea; // use standard scrolling
*((UINT16*)(Drv68KROM0 + 0x2d76)) = 0x0004;
*((UINT16*)(Drv68KROM0 + 0x2d78)) = 0x0280;
*((UINT16*)(Drv68KROM0 + 0x2db8)) = 0x30c1; // more scroll fixes
*((UINT16*)(Drv68KROM0 + 0x2dba)) = 0xc3c0;
*((UINT16*)(Drv68KROM0 + 0x2dbc)) = 0xe841;
*((UINT16*)(Drv68KROM0 + 0x2dbe)) = 0x32c2;
*((UINT16*)(Drv68KROM0 + 0x0744)) = 0x4e71; // bypass trap - very strange
// convert bootleg priority prom to standard format
for (INT32 i = 0x1fe; i >= 0; i -= 2) {
@ -4913,11 +4910,7 @@ static void monkelfCallback()
static INT32 monkelfInit()
{
input_select_values[0] = 0x37;
input_select_values[1] = 0x35;
input_select_values[2] = 0x36;
input_select_values[3] = 0x33;
input_select_values[4] = 0x34;
monkelf = 1;
INT32 nRet = SystemInit(0xB, monkelfCallback);