MESS SVN History

15994 Revisions

r772 Wednesday 1st August, 2007 at 03:30:10 UTC by Dirk Best
[AIM65] Updated the driver to use cartridges instead of hard-coded ROMs.

[docs]	messnew.txt
[src/mess/drivers]	aim65.c
[src/mess/includes]	aim65.h

src/mess/includes/aim65.h
r771	r772
2	2
3	3	/* R6502 Clock
4	4	*
5		* The R6502 on AIM65 operatores at 1 MHz. The frequency reference is a 4 Mhz
	5	* The R6502 on AIM65 operates at 1 MHz. The frequency reference is a 4 Mhz
6	6	* crystal controllred oscillator. Dual D-type flip-flop Z10 devides the 4 MHz
7	7	* signal by four to drive the R6502 phase 0 (O0) input with a 1 MHz clock.
8	8	*/

src/mess/drivers/aim65.c
r771	r772
18	18	#include "machine/6532riot.h"
19	19	#include "machine/6821pia.h"
20	20
	21	/* cartridge device */
	22	#include "devices/cartslot.h"
	23
21	24	/* for natural keyboard support */
22	25	#include "inputx.h"
23	26
r771	r772
35	38	/* Note: RAM is mapped dynamically in machine/aim65.c */
36	39	static ADDRESS_MAP_START( aim65_mem , ADDRESS_SPACE_PROGRAM, 8 )
37	40	AM_RANGE( 0x1000, 0x9fff ) AM_NOP /* User available expansions */
38		AM_RANGE( 0xa000, 0xa00f ) AM_READWRITE( via_1_r, via_1_w ) /* User VIA */
39		AM_RANGE( 0xa010, 0xa3ff ) AM_NOP /* Not available */
	41	AM_RANGE( 0xa000, 0xa00f ) AM_MIRROR(0x3f0) AM_READWRITE( via_1_r, via_1_w ) /* User VIA */
40	42	AM_RANGE( 0xa400, 0xa47f ) AM_RAM /* RIOT RAM */
41	43	AM_RANGE( 0xa480, 0xa497 ) AM_READWRITE( r6532_0_r, r6532_0_w )
42	44	AM_RANGE( 0xa498, 0xa7ff ) AM_NOP /* Not available */
43		AM_RANGE( 0xa800, 0xa80f ) AM_READWRITE( via_0_r, via_0_w )
44		AM_RANGE( 0xa810, 0xabff ) AM_NOP /* Not available */
	45	AM_RANGE( 0xa800, 0xa80f ) AM_MIRROR(0x3f0) AM_READWRITE( via_0_r, via_0_w )
45	46	AM_RANGE( 0xac00, 0xac03 ) AM_READWRITE( pia_0_r, pia_0_w )
46	47	AM_RANGE( 0xac04, 0xac43 ) AM_RAM /* PIA RAM */
47		AM_RANGE( 0xac44, 0xafff ) /* Not available */
	48	AM_RANGE( 0xac44, 0xafff ) AM_NOP /* Not available */
48	49	AM_RANGE( 0xb000, 0xffff ) AM_ROM /* 5 ROM sockets */
49	50	ADDRESS_MAP_END
50	51
r771	r772
151	152
152	153	static MACHINE_DRIVER_START( aim65 )
153	154	/* basic machine hardware */
154		MDRV_CPU_ADD(M6502, 1~~000000~~)
	155	MDRV_CPU_ADD(M6502, OSC_Y1/4) /* 1 MHz */
155	156	MDRV_CPU_PROGRAM_MAP(aim65_mem, 0)
156	157
157	158	MDRV_DEFAULT_LAYOUT(layout_aim65)
r771	r772
170	171	******************************************************************************/
171	172
172	173
173		ROM_START(aim65)
174		ROM_REGION(0x10000,REGION_CPU1, 0)
175		ROM_LOAD_OPTIONAL ("aim65bas.z26", 0xb000, 0x1000, CRC(36a61f39) SHA1(f5ce0126cb594a565e730973fd140d03c298cefa) )
176		ROM_LOAD_OPTIONAL ("aim65bas.z25", 0xc000, 0x1000, CRC(d7b42d2a) SHA1(4bbdb28d332429825adea0266ed9192786d9e392) )
177		ROM_LOAD_OPTIONAL ("aim65ass.z24", 0xd000, 0x1000, CRC(0878b399) SHA1(483e92b57d64be51643a9f6490521a8572aa2f68) )
178		ROM_LOAD ("aim65mon.z23", 0xe000, 0x1000, CRC(90e44afe) SHA1(78e38601edf6bfc787b58750555a636b0cf74c5c))
179		ROM_LOAD ("aim65mon.z22", 0xf000, 0x1000, CRC(d01914b0) SHA1(e5b5ddd4cd43cce073a718ee4ba5221f2bc84eaf))
	174	ROM_START( aim65 )
	175	ROM_REGION(0x10000, REGION_CPU1, 0)
	176	ROM_CART_LOAD(0, "z26", 0xb000, 0x1000, ROM_OPTIONAL)
	177	ROM_CART_LOAD(1, "z25", 0xc000, 0x1000, ROM_OPTIONAL)
	178	ROM_CART_LOAD(2, "z24", 0xd000, 0x1000, ROM_OPTIONAL)
	179	ROM_LOAD("aim65mon.z23", 0xe000, 0x1000, CRC(90e44afe) SHA1(78e38601edf6bfc787b58750555a636b0cf74c5c))
	180	ROM_LOAD("aim65mon.z22", 0xf000, 0x1000, CRC(d01914b0) SHA1(e5b5ddd4cd43cce073a718ee4ba5221f2bc84eaf))
180	181	ROM_END
181	182
182	183
	184	/* Currently dumped and available software:
	185	*
	186	* Name Loc CRC32 SHA1
	187	* -------------------------------------------------------------------
	188	* Assembler Z24 0878b399 483e92b57d64be51643a9f6490521a8572aa2f68
	189	* Basic V1.1 Z25 d7b42d2a 4bbdb28d332429825adea0266ed9192786d9e392
	190	* Basic V1.1 Z26 36a61f39 f5ce0126cb594a565e730973fd140d03c298cefa
	191	* Forth V1.3 Z25 0671d019 dd2a1613e435c833634100cf4a22c6cff70c7a26
	192	* Forth V1.3 Z26 a80ad472 42a2e8c86829a2fe48090e6665ff9fe25b12b070
	193	* Mathpack Z24 4889af55 5e9541ddfc06e3802d09b30d1bd89c5da914c76e
	194	* Monitor Z22 d01914b0 e5b5ddd4cd43cce073a718ee4ba5221f2bc84eaf
	195	* Monitor Z23 90e44afe 78e38601edf6bfc787b58750555a636b0cf74c5c
	196	* PL/65 V1.0 Z25 76dcf864 e937c54ed109401f796640cd45b27dfefb76667e
	197	* PL/65 V1.0 Z26 2ac71abd 6df5e3125bebefac80d51d9337555f54bdf0d8ea
	198	*
	199	*/
183	200
	201
	202
184	203	/******************************************************************************
185	204	System Config
186	205	******************************************************************************/
187	206
188	207
189		SYSTEM_CONFIG_START(aim65)
190		CONFIG_RAM_DEFAULT (4 * 1024) /* 4KB RAM */
191		CONFIG_RAM (3 * 1024) /* 3KB RAM */
192		CONFIG_RAM (2 * 1024) /* 2KB RAM */
193		CONFIG_RAM (1 * 1024) /* 1KB RAM */
	208	SYSTEM_CONFIG_START( aim65 )
	209	CONFIG_DEVICE(cartslot_device_getinfo)
	210	CONFIG_RAM_DEFAULT(4 * 1024) /* 4KB RAM */
	211	CONFIG_RAM (3 * 1024) /* 3KB RAM */
	212	CONFIG_RAM (2 * 1024) /* 2KB RAM */
	213	CONFIG_RAM (1 * 1024) /* 1KB RAM */
194	214	SYSTEM_CONFIG_END
195	215
196	216

docs/messnew.txt
r771	r772
31	31	- [AIM65] Rewrote keyboard emulation, it now behaves like the real hardware
32	32	and the code is much cleaner. [Dirk Best]
33	33
	34	- [AIM65] Updated the driver to use cartridges instead of hard-coded ROMs.
	35	This means you can now use the Forth and PL/65 ROMs. [Dirk Best]
	36
34	37	- [COCO] Fixed PIA regression that prevented OS-9 level 1 from working. (bug
35	38	#1314) [Nate Woods]
36	39

15994 Revisions