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nec/pc8001.cpp: grant a slot for DIY expansion ROMs

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This commit is contained in:
angelosa 2025-01-30 23:11:21 +01:00
parent dac3a100a0
commit 15cbbfd3d0
3 changed files with 13 additions and 4 deletions
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1
hash/cdi.xml
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@ -10321,6 +10321,7 @@ license:CC0-1.0
<!--
Origin: Redump
http://redump.org/disc/88153/
http://redump.org/disc/88154/
-->
<description>Validation Disc (Version 1.0)</description>
<!-- '89 for disc 1, '90 for disc 2 -->

6
src/mame/amiga/amigaaga.cpp
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@ -88,7 +88,7 @@ VIDEO_START_MEMBER(amiga_state,amiga_aga)
{
video_start_common();
// fill the AGA dblpf table, taking bplcon3:pf2pri into account for offset values
// fill the AGA dblpf table, taking bplcon3:pf2ofx into account for offset values
m_separate_bitplanes[0].resize(256 * 8);
m_separate_bitplanes[1].resize(256 * 8);
@ -641,10 +641,12 @@ void amiga_state::aga_render_scanline(bitmap_rgb32 &bitmap, int scanline)
// In practice we need to separate bitplane delays & drawing first.
//shres = CUSTOM_REG(REG_BPLCON0) & 0x0040;
// offset table for pf2 when in dualpf (note: )
// offset table for pf2 when in dualpf
// - alfred_a, gameplay background
// - slamtilt, main menu cursor
// NOTE: val << 8 so we don't need to adjust per-pixel
pf2ofx = ((CUSTOM_REG(REG_BPLCON3) >> 10) & 7) << 8;
// bplam applies xor to bitplane colors (i.e. acting as pal bank)
// - aladdin, status bar in gameplay
// TODO: implement for ham and dualpf, below

10
src/mame/nec/pc8001.cpp
View File

@ -670,14 +670,13 @@ void pc8001_state::machine_start()
{
case 16*1024:
membank("bank3")->configure_entry(0, ram);
program.unmap_readwrite(0x6000, 0xbfff);
program.unmap_readwrite(0x8000, 0xbfff);
program.install_readwrite_bank(0xc000, 0xffff, membank("bank3"));
break;
case 32*1024:
membank("bank3")->configure_entry(0, ram);
program.unmap_readwrite(0x6000, 0xbfff);
program.unmap_readwrite(0x8000, 0xbfff);
program.install_readwrite_bank(0x8000, 0xffff, membank("bank3"));
break;
@ -812,13 +811,20 @@ void pc8001mk2sr_state::pc8001mk2sr(machine_config &config)
ROM_START( pc8001 )
ROM_REGION( 0x8000, Z80_TAG, ROMREGION_ERASEFF )
ROM_DEFAULT_BIOS("v110")
// PCB pictures shows divided by 3 ROMs (and 4th socket unpopulated)
// D2364C ROMs from a pc8001b PCB:
// - p12019-106.u10 072NBASIC
// - p11219-105.u11 073NBASIC
// - p12029-106.u12 171NBASIC
ROM_SYSTEM_BIOS( 0, "v101", "N-BASIC v1.01" )
ROMX_LOAD( "n80v101.rom", 0x00000, 0x6000, BAD_DUMP CRC(a2cc9f22) SHA1(6d2d838de7fea20ddf6601660d0525d5b17bf8a3), ROM_BIOS(0) )
ROM_SYSTEM_BIOS( 1, "v102", "N-BASIC v1.02" )
ROMX_LOAD( "n80v102.rom", 0x00000, 0x6000, BAD_DUMP CRC(ed01ca3f) SHA1(b34a98941499d5baf79e7c0e5578b81dbede4a58), ROM_BIOS(1) )
ROM_SYSTEM_BIOS( 2, "v110", "N-BASIC v1.10" )
ROMX_LOAD( "n80v110.rom", 0x00000, 0x6000, BAD_DUMP CRC(1e02d93f) SHA1(4603cdb7a3833e7feb257b29d8052c872369e713), ROM_BIOS(2) )
// empty socket, cfr. notes in header for usage instructions
ROM_LOAD_OPTIONAL( "exprom.u13", 0x6000, 0x2000, NO_DUMP )
ROM_REGION( 0x800, CGROM_TAG, 0)
ROM_LOAD( "font.rom", 0x000, 0x800, CRC(56653188) SHA1(84b90f69671d4b72e8f219e1fe7cd667e976cf7f) )