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d_galaga.cpp: add "earom"-style nvram to DigDug for highscore keeping

This commit is contained in:
dinkc64 2015-08-04 22:17:59 +00:00
parent e3b96ed9dd
commit 5e6a294e57
1 changed files with 67 additions and 13 deletions
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80
src/burn/drv/pre90s/d_galaga.cpp
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@ -63,6 +63,12 @@ static INT32 playfield, alphacolor, playenable, playcolor;
static INT32 digdugmode;
static UINT8 bHasSamples = 0;
// hi-score stuff! (atari earom)
#define EAROM_SIZE 0x40
static UINT8 earom_offset;
static UINT8 earom_data;
static UINT8 earom[EAROM_SIZE];
static INT32 DrvButtonHold[2] = { 0, 0 }; // Fire button must be held for 1 frame
static INT32 DrvButtonHeld[2] = { 0, 0 }; // otherwise Dig Dug acts strangely.
static INT32 DrvLastButtons; // State of the last button press
@ -111,7 +117,7 @@ static struct BurnInputInfo DigdugInputList[] =
{"P2 Fire 1 (Cocktail)" , BIT_DIGITAL , DrvInputPort2 + 4, "p2 fire 1" },
{"Reset" , BIT_DIGITAL , &DrvReset , "reset" },
{"Service" , BIT_DIGITAL , DrvInputPort0 + 6, "service" },
{"Service" , BIT_DIGITAL , DrvInputPort0 + 7, "service" },
{"Dip 1" , BIT_DIPSWITCH, DrvDip + 0 , "dip" },
{"Dip 2" , BIT_DIPSWITCH, DrvDip + 1 , "dip" },
// {"Dip 3" , BIT_DIPSWITCH, DrvDip + 2 , "dip" },
@ -555,6 +561,31 @@ static INT32 MemIndex()
return 0;
}
static UINT8 earom_read(UINT16 address)
{
return (earom_data);
}
static void earom_write(UINT16 offset, UINT8 data)
{
earom_offset = offset;
earom_data = data;
}
static void earom_ctrl_write(UINT16 offset, UINT8 data)
{
/*
0x01 = clock
0x02 = set data latch? - writes only (not always)
0x04 = write mode? - writes only
0x08 = set addr latch?
*/
if (data & 0x01)
earom_data = earom[earom_offset];
if ((data & 0x0c) == 0x0c)
earom[earom_offset] = earom_data;
}
static INT32 DrvDoReset()
{
for (INT32 i = 0; i < 3; i++) {
@ -566,8 +597,6 @@ static INT32 DrvDoReset()
BurnSampleReset();
NamcoSoundReset();
HiscoreReset();
DrvCPU1FireIRQ = 0;
DrvCPU2FireIRQ = 0;
DrvCPU3FireIRQ = 0;
@ -601,6 +630,9 @@ static INT32 DrvDoReset()
playenable = 0;
playcolor = 0;
earom_offset = 0;
earom_data = 0;
return 0;
}
@ -728,6 +760,10 @@ static void Namco54XXWrite(INT32 Data)
UINT8 __fastcall GalagaZ80ProgRead(UINT16 a)
{
if (a >= 0xb800 && a <= 0xb83f && digdugmode) { // EAROM Read
return earom_read(a - 0xb800);
}
switch (a) {
case 0x6800:
case 0x6801:
@ -865,9 +901,6 @@ UINT8 __fastcall GalagaZ80ProgRead(UINT16 a)
case 0xa005:
case 0xa006: break; // (ignore) spurious reads when playfield latch written to
case 0xb800:
case 0xb830: break; // unimplemented nvram stuff
default: {
bprintf(PRINT_NORMAL, _T("Z80 #%i Read %04x\n"), ZetGetActive(), a);
}
@ -882,9 +915,20 @@ void __fastcall GalagaZ80ProgWrite(UINT16 a, UINT8 d)
NamcoSoundWrite(a - 0x6800, d);
return;
}
if (a >= 0xb800 && a <= 0xb83f && digdugmode) { // EAROM Write
earom_write(a - 0xb800, d);
return;
}
// bprintf(PRINT_NORMAL, _T("54XX z80 #%i Write %X, %X nbs %X\n"), ZetGetActive(), a, d, nBurnSoundLen);
switch (a) {
case 0xb840:
if (digdugmode)
earom_ctrl_write(0xb840, d);
return;
case 0x6820: {
DrvCPU1FireIRQ = d & 0x01;
if (!DrvCPU1FireIRQ) {
@ -1114,6 +1158,8 @@ static void MachineInit()
GenericTilesInit();
memset(&earom, 0, sizeof(earom)); // don't put this in DrvDoReset()
// Reset the driver
DrvDoReset();
}
@ -2178,6 +2224,14 @@ static INT32 DrvScan(INT32 nAction, INT32 *pnMin)
SCAN_VAR(playcolor);
}
if (nAction & ACB_NVRAM) {
memset(&ba, 0, sizeof(ba));
ba.Data = earom;
ba.nLen = sizeof(earom);
ba.szName = "NV RAM";
BurnAcb(&ba);
}
return 0;
}
@ -2185,7 +2239,7 @@ struct BurnDriver BurnDrvGalaga = {
"galaga", NULL, NULL, "galaga", "1981",
"Galaga (Namco rev. B)\0", NULL, "Namco", "Miscellaneous",
NULL, NULL, NULL, NULL,
BDF_GAME_WORKING | BDF_ORIENTATION_VERTICAL | BDF_ORIENTATION_FLIPPED | BDF_HISCORE_SUPPORTED, 2, HARDWARE_MISC_PRE90S, GBF_VERSHOOT, 0,
BDF_GAME_WORKING | BDF_ORIENTATION_VERTICAL | BDF_ORIENTATION_FLIPPED, 2, HARDWARE_MISC_PRE90S, GBF_VERSHOOT, 0,
NULL, DrvRomInfo, DrvRomName, GalagaSampleInfo, GalagaSampleName, DrvInputInfo, DrvDIPInfo,
DrvInit, DrvExit, DrvFrame, DrvDraw, DrvScan, NULL, 576,
224, 288, 3, 4
@ -2195,7 +2249,7 @@ struct BurnDriver BurnDrvGalagao = {
"galagao", "galaga", NULL, "galaga", "1981",
"Galaga (Namco)\0", NULL, "Namco", "Miscellaneous",
NULL, NULL, NULL, NULL,
BDF_GAME_WORKING | BDF_CLONE | BDF_ORIENTATION_VERTICAL | BDF_ORIENTATION_FLIPPED | BDF_HISCORE_SUPPORTED, 2, HARDWARE_MISC_PRE90S, GBF_VERSHOOT, 0,
BDF_GAME_WORKING | BDF_CLONE | BDF_ORIENTATION_VERTICAL | BDF_ORIENTATION_FLIPPED, 2, HARDWARE_MISC_PRE90S, GBF_VERSHOOT, 0,
NULL, GalagaoRomInfo, GalagaoRomName, GalagaSampleInfo, GalagaSampleName, DrvInputInfo, DrvDIPInfo,
DrvInit, DrvExit, DrvFrame, DrvDraw, DrvScan, NULL, 576,
224, 288, 3, 4
@ -2205,7 +2259,7 @@ struct BurnDriver BurnDrvGalagamw = {
"galagamw", "galaga", NULL, "galaga", "1981",
"Galaga (Midway set 1)\0", NULL, "Namco (Midway License)", "Miscellaneous",
NULL, NULL, NULL, NULL,
BDF_GAME_WORKING | BDF_CLONE | BDF_ORIENTATION_VERTICAL | BDF_ORIENTATION_FLIPPED | BDF_HISCORE_SUPPORTED, 2, HARDWARE_MISC_PRE90S, GBF_VERSHOOT, 0,
BDF_GAME_WORKING | BDF_CLONE | BDF_ORIENTATION_VERTICAL | BDF_ORIENTATION_FLIPPED, 2, HARDWARE_MISC_PRE90S, GBF_VERSHOOT, 0,
NULL, GalagamwRomInfo, GalagamwRomName, GalagaSampleInfo, GalagaSampleName, DrvInputInfo, GalagamwDIPInfo,
DrvInit, DrvExit, DrvFrame, DrvDraw, DrvScan, NULL, 576,
224, 288, 3, 4
@ -2215,7 +2269,7 @@ struct BurnDriver BurnDrvGalagamk = {
"galagamk", "galaga", NULL, "galaga", "1981",
"Galaga (Midway set 2)\0", NULL, "Namco (Midway License)", "Miscellaneous",
NULL, NULL, NULL, NULL,
BDF_GAME_WORKING | BDF_CLONE | BDF_ORIENTATION_VERTICAL | BDF_ORIENTATION_FLIPPED | BDF_HISCORE_SUPPORTED, 2, HARDWARE_MISC_PRE90S, GBF_VERSHOOT, 0,
BDF_GAME_WORKING | BDF_CLONE | BDF_ORIENTATION_VERTICAL | BDF_ORIENTATION_FLIPPED, 2, HARDWARE_MISC_PRE90S, GBF_VERSHOOT, 0,
NULL, GalagamkRomInfo, GalagamkRomName, GalagaSampleInfo, GalagaSampleName, DrvInputInfo, DrvDIPInfo,
DrvInit, DrvExit, DrvFrame, DrvDraw, DrvScan, NULL, 576,
224, 288, 3, 4
@ -2225,7 +2279,7 @@ struct BurnDriver BurnDrvGalagamf = {
"galagamf", "galaga", NULL, "galaga", "1981",
"Galaga (Midway set 1 with fast shoot hack)\0", NULL, "Namco (Midway License)", "Miscellaneous",
NULL, NULL, NULL, NULL,
BDF_GAME_WORKING | BDF_CLONE | BDF_ORIENTATION_VERTICAL | BDF_ORIENTATION_FLIPPED | BDF_HISCORE_SUPPORTED, 2, HARDWARE_MISC_PRE90S, GBF_VERSHOOT, 0,
BDF_GAME_WORKING | BDF_CLONE | BDF_ORIENTATION_VERTICAL | BDF_ORIENTATION_FLIPPED, 2, HARDWARE_MISC_PRE90S, GBF_VERSHOOT, 0,
NULL, GalagamfRomInfo, GalagamfRomName, GalagaSampleInfo, GalagaSampleName, DrvInputInfo, DrvDIPInfo,
DrvInit, DrvExit, DrvFrame, DrvDraw, DrvScan, NULL, 576,
224, 288, 3, 4
@ -2235,7 +2289,7 @@ struct BurnDriver BurnDrvGallag = {
"gallag", "galaga", NULL, "galaga", "1981",
"Gallag\0", NULL, "bootleg", "Miscellaneous",
NULL, NULL, NULL, NULL,
BDF_GAME_WORKING | BDF_CLONE | BDF_ORIENTATION_VERTICAL | BDF_ORIENTATION_FLIPPED | BDF_BOOTLEG | BDF_HISCORE_SUPPORTED, 2, HARDWARE_MISC_PRE90S, GBF_VERSHOOT, 0,
BDF_GAME_WORKING | BDF_CLONE | BDF_ORIENTATION_VERTICAL | BDF_ORIENTATION_FLIPPED | BDF_BOOTLEG, 2, HARDWARE_MISC_PRE90S, GBF_VERSHOOT, 0,
NULL, GallagRomInfo, GallagRomName, GalagaSampleInfo, GalagaSampleName, DrvInputInfo, DrvDIPInfo,
GallagInit, DrvExit, DrvFrame, DrvDraw, DrvScan, NULL, 576,
224, 288, 3, 4
@ -2245,7 +2299,7 @@ struct BurnDriver BurnDrvDigdug = {
"digdug", NULL, NULL, NULL, "1982",
"Dig Dug (rev 2)\0", NULL, "Namco", "Miscellaneous",
NULL, NULL, NULL, NULL,
BDF_GAME_WORKING | BDF_ORIENTATION_VERTICAL | BDF_ORIENTATION_FLIPPED | BDF_16BIT_ONLY | BDF_HISCORE_SUPPORTED, 2, HARDWARE_MISC_PRE90S, GBF_MISC, 0,
BDF_GAME_WORKING | BDF_ORIENTATION_VERTICAL | BDF_ORIENTATION_FLIPPED | BDF_16BIT_ONLY, 2, HARDWARE_MISC_PRE90S, GBF_MISC, 0,
NULL, digdugRomInfo, digdugRomName, NULL, NULL, DigdugInputInfo, DigdugDIPInfo,
DrvDigdugInit, DrvExit, DrvFrame, DrvDigdugDraw, DrvScan, NULL, 0x300,
224, 288, 3, 4