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r1602 Friday 25th January, 2008 at 19:26:01 UTC by Dirk Best
[NASCOM1] Fixed RAM initialization handlers

[src/mess/machine]

nascom1.c

src/mess/machine/nascom1.c

r1601	r1602
37	37	{
38	38	case 1 * 1024:
39	39	memory_install_readwrite8_handler(0, ADDRESS_SPACE_PROGRAM,
40		0x9000, 0xafff, 0, 0, MRA8_NOP, MWA8_NOP);
41		memory_install_readwrite8_handler(0, ADDRESS_SPACE_PROGRAM,
42		0x5000, 0x8fff, 0, 0, MRA8_NOP, MWA8_NOP);
43		memory_install_readwrite8_handler(0, ADDRESS_SPACE_PROGRAM,
44		0x1400, 0x4fff, 0, 0, MRA8_NOP, MWA8_NOP);
	40	0x1400, 0x9000, 0, 0, MRA8_NOP, MWA8_NOP);
45	41	break;
46
	42
47	43	case 16 * 1024:
48	44	memory_install_readwrite8_handler(0, ADDRESS_SPACE_PROGRAM,
49		0x9000, 0xafff, 0, 0, MRA8_NOP, MWA8_NOP);
	45	0x1400, 0x4fff, 0, 0, MRA8_BANK1, MWA8_BANK1);
50	46	memory_install_readwrite8_handler(0, ADDRESS_SPACE_PROGRAM,
51		0x5000, 0x8fff, 0, 0, MRA8_NOP, MWA8_NOP);
52		memory_install_readwrite8_handler(0, ADDRESS_SPACE_PROGRAM,
53		0x1400, 0x4fff, 0, 0, MRA8_RAM, MWA8_RAM);
	47	0x5000, 0xafff, 0, 0, MRA8_NOP, MWA8_NOP);
	48	memory_set_bankptr(1, mess_ram);
54	49	break;
55
	50
56	51	case 32 * 1024:
57	52	memory_install_readwrite8_handler(0, ADDRESS_SPACE_PROGRAM,
58		0x9000, 0xafff, 0, 0, MRA8_NOP, MWA8_NOP);
	53	0x1400, 0x8fff, 0, 0, MRA8_BANK1, MWA8_BANK1);
59	54	memory_install_readwrite8_handler(0, ADDRESS_SPACE_PROGRAM,
60		0x5000, 0x8fff, 0, 0, MRA8_RAM, MWA8_RAM);
61		memory_install_readwrite8_handler(0, ADDRESS_SPACE_PROGRAM,
62		0x1400, 0x4fff, 0, 0, MRA8_RAM, MWA8_RAM);
	55	0x9000, 0xafff, 0, 0, MRA8_NOP, MWA8_NOP);
	56	memory_set_bankptr(1, mess_ram);
63	57	break;
64
	58
65	59	case 40 * 1024:
66	60	memory_install_readwrite8_handler(0, ADDRESS_SPACE_PROGRAM,
67		0x9000, 0xafff, 0, 0, MRA8_RAM, MWA8_RAM);
68		memory_install_readwrite8_handler(0, ADDRESS_SPACE_PROGRAM,
69		0x5000, 0x8fff, 0, 0, MRA8_RAM, MWA8_RAM);
70		memory_install_readwrite8_handler(0, ADDRESS_SPACE_PROGRAM,
71		0x1400, 0x4fff, 0, 0, MRA8_RAM, MWA8_RAM);
	61	0x1400, 0xafff, 0, 0, MRA8_BANK1, MWA8_BANK1);
	62	memory_set_bankptr(1, mess_ram);
72	63	break;
73	64	}
74	65	}

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