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arescue: Better way of copying DSP code and data (nw)

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This commit is contained in:
AJR 2019-11-16 16:10:06 -05:00
parent eab5bcac00
commit 07e35edf65
1 changed files with 12 additions and 26 deletions
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38
src/mame/drivers/segas32.cpp
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@ -3027,8 +3027,10 @@ ROM_START( arescue )
ROM_REGION( 0x20000, "mainpcb:dsp", 0 ) /* NEC uPD77P25 DSP Internal ROM */ // ONLY PRESENT ON ONE PCB STACK
ROM_LOAD( "d7725.01", 0x000000, 0x002800, CRC(a7ec5644) SHA1(e9b05c70b639ee289e557dfd9a6c724b36338e2b) )
ROM_REGION(0x2000, "mainpcb:dspprg", ROMREGION_ERASEFF)
ROM_REGION(0x800, "mainpcb:dspdata", ROMREGION_ERASEFF)
ROM_REGION32_BE(0x2000, "mainpcb:dspprg", ROMREGION_ERASEFF)
ROM_COPY( "mainpcb:dsp", 0x0000, 0x0000, 0x2000 )
ROM_REGION16_BE(0x800, "mainpcb:dspdata", ROMREGION_ERASEFF)
ROM_COPY( "mainpcb:dsp", 0x2000, 0x0000, 0x0800 )
ROM_REGION( 0x200000, "slavepcb:maincpu", 0 ) /* v60 code + data */
ROM_LOAD_x4( "epr-14542.ic13", 0x000000, 0x020000, CRC(6d39fc18) SHA1(7fbddfb2605a020331e1e81a7bc4466196df17bd) ) /* 834-8526-05 (Export) */
@ -3103,8 +3105,10 @@ ROM_START( arescueu )
ROM_REGION( 0x20000, "mainpcb:dsp", 0 ) /* NEC uPD77P25 DSP Internal ROM */ // ONLY PRESENT ON ONE PCB STACK
ROM_LOAD( "d7725.01", 0x000000, 0x002800, CRC(a7ec5644) SHA1(e9b05c70b639ee289e557dfd9a6c724b36338e2b) )
ROM_REGION(0x2000, "mainpcb:dspprg", ROMREGION_ERASEFF)
ROM_REGION(0x800, "mainpcb:dspdata", ROMREGION_ERASEFF)
ROM_REGION32_BE(0x2000, "mainpcb:dspprg", ROMREGION_ERASEFF)
ROM_COPY( "mainpcb:dsp", 0x0000, 0x0000, 0x2000 )
ROM_REGION16_BE(0x800, "mainpcb:dspdata", ROMREGION_ERASEFF)
ROM_COPY( "mainpcb:dsp", 0x2000, 0x0000, 0x0800 )
ROM_REGION( 0x200000, "slavepcb:maincpu", 0 ) /* v60 code + data */
ROM_LOAD_x4( "epr-14540.ic13", 0x000000, 0x020000, CRC(c2b4e5d0) SHA1(69f8ddded5095df9012663d0ded61b78f1692a8d) )
@ -3179,8 +3183,10 @@ ROM_START( arescuej )
ROM_REGION( 0x20000, "mainpcb:dsp", 0 ) /* NEC uPD77P25 DSP Internal ROM */ // ONLY PRESENT ON ONE PCB STACK
ROM_LOAD( "d7725.01", 0x000000, 0x002800, CRC(a7ec5644) SHA1(e9b05c70b639ee289e557dfd9a6c724b36338e2b) )
ROM_REGION(0x2000, "mainpcb:dspprg", ROMREGION_ERASEFF)
ROM_REGION(0x800, "mainpcb:dspdata", ROMREGION_ERASEFF)
ROM_REGION32_BE(0x2000, "mainpcb:dspprg", ROMREGION_ERASEFF)
ROM_COPY( "mainpcb:dsp", 0x0000, 0x0000, 0x2000 )
ROM_REGION16_BE(0x800, "mainpcb:dspdata", ROMREGION_ERASEFF)
ROM_COPY( "mainpcb:dsp", 0x2000, 0x0000, 0x0800 )
ROM_REGION( 0x200000, "slavepcb:maincpu", 0 ) /* v60 code + data */
ROM_LOAD_x4( "epr-14515.ic13", 0x000000, 0x020000, CRC(fb5eefbd) SHA1(f2739ad2e168843fe992d7fb546ffd859fa6c17a) )
@ -5695,26 +5701,6 @@ void segas32_state::init_arescue(int m_hasdsp)
for (auto & elem : m_arescue_dsp_io)
elem = 0x00;
if (m_hasdsp)
{
// massages the data from the BPMicro-compatible dump to runnable form
uint8_t *dspsrc = (uint8_t *)memregion("dsp")->base();
uint32_t *dspprg = (uint32_t *)memregion("dspprg")->base();
uint16_t *dspdata = (uint16_t *)memregion("dspdata")->base();
// copy DSP program
for (int i = 0; i < 0x2000; i+= 4)
{
*dspprg = dspsrc[0+i]<<24 | dspsrc[1+i]<<16 | dspsrc[2+i]<<8;
dspprg++;
}
// copy DSP data
for (int i = 0; i < 0x800; i+= 2)
{
*dspdata++ = dspsrc[0x2000+i]<<8 | dspsrc[0x2001+i];
}
}
m_sw1_output = &segas32_state::arescue_sw1_output;
}