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author etabeta78 <etabeta78@users.noreply.github.com>2014-10-30 20:11:54 +0100
committer etabeta78 <etabeta78@users.noreply.github.com>2014-10-30 20:11:54 +0100
commit3e951f044a06a310e1e369d721c2abc60587a68a (patch)
tree9213fb631118b25a9b3f4500deb670412b36adff
parentbb6c49751bd2f74da729eb0ba85a1134e581221e (diff)
(MESS) spc1000.c: documented hardware differences among
models of the SPC-1000 series [zannylim]
-rw-r--r--src/mess/drivers/spc1000.c99
1 files changed, 98 insertions, 1 deletions
diff --git a/src/mess/drivers/spc1000.c b/src/mess/drivers/spc1000.c
index dcc8dafc4f3..d9791d912a4 100644
--- a/src/mess/drivers/spc1000.c
+++ b/src/mess/drivers/spc1000.c
@@ -25,7 +25,104 @@ NOTE: 2014-09-13: added code from someone's modified MESS driver for floppy
2014-10-11: Replaced above code with MESS-compliant code [Meeso Kim]
****************************************************************************/
-
+/*
+ * SAMSUNG SPC-1000 Series (info from zannylim)
+ *
+ * YEAR MODEL MainVideo PRT FDD
+ * ---- -------------- ------ ----- ------ -------
+ * 1982 SPC-1000 S68047 RGB buffer -
+ * 1983 SPC-1000 S68047 RF-TV buffer -
+ * 1983 SPC-1100 S68047 RF-TV - -
+ * 1983 SPC-1000/1100 MC6847 RF-TV direct support
+ * 1985 SPC-1000A MC6847 RF-TV direct support
+ *
+ * 2nd Video Display Processor type 1 : VDP UNIT (TMS9918 + 4KB VRAM) by staticsoft
+ * 2nd Video Display Processor type 2 : SOFT BOX (TMS9918 + 4KB VRAM with BIOS) by sammi computer
+ *
+ * Intelligence FDD : SD-725(2FDD, RS232C), SD-720(1FDD), SD-725A(2FDD), SD-725B(Desktop 2FDD, RS232C) - EPSON TF20 F100
+ * External FDD with Expansion slot : KWE-1000 by kyungwoo
+ *
+ * Network device : ISAM-1000 by samsung
+ *
+ * +---------PRT------RGB----TVRF--+ SPC-1000
+ * + +
+ * + ROM0 + CPU : Z80A (4MHz)
+ * + ROM1 + RAM : 64KB
+ * +-------+ ROM2 AY-3-8910 + VRAM : 6KB
+ * + SPC-1000 + VDG : AMI S68047 with TTL RGB output
+ * IPL + PSG : AY-3-8910
+ * RESET S68047 +
+ * + Z80A + Include Internal Data-recorder
+ * + ROM3 +
+ * + + ROM : 32KB (8KB x 4)
+ * +---------------------------------------+
+ *
+ * +---------PRT----VIDEO----TVRF--+ SPC-1000
+ * + +
+ * + ROM0 LM1889 + Support RF TV Support, but Removed RGB output
+ * + ROM1 +
+ * +-------+ ROM2 AY-3-8910 SPC-1000 +
+ * + 1100 +
+ * IPL +
+ * RESET S68047 +
+ * + Z80A +
+ * + ROM3 +
+ * + +
+ * +---------------------------------------+
+ *
+ * +----------------VIDEO----TVRF--+ SPC-1100
+ * + +
+ * + ROM0 LM1889 + Removed Printer port
+ * + ROM1 LM386(5V) +
+ * +-------+ ROM2 AY-3-8910 SPC-1000 +
+ * + 1100 +
+ * IPL +
+ * RESET S68047 +
+ * + Z80A +
+ * + ROM3 +
+ * + +
+ * +---------------------------------------+
+ *
+ * +---------PRT----VIDEO----TVRF--+ SPC-1000, SPC-1100
+ * + +
+ * + ROM0 MC1372 + New Video Display Generator : MC6847
+ * + ROM1 LM386(5V) +
+ * +-------+ ROM2 AY-3-8910 +
+ * + ROM3 SPC-1000/1100 +
+ * IPL +
+ * RESET MC6847 +
+ * + Z80A +
+ * + +
+ * + +
+ * +---------------------------------------+
+ *
+ * +---------PRT----VIDEO----TVRF--+ SPC-1000, SPC-1100
+ * + +
+ * + ROM0 S4 MC1372 + REV PCB No.839291
+ * + ROM1 LM386(5V) +
+ * +-------+ ROM2 AY-3-8910 + Add composite color on/off switch
+ * + ROM3 SPC-1000/1100 +
+ * IPL +
+ * RESET MC6847 +
+ * + Z80A +
+ * + +
+ * + +
+ * +---------------------------------------+
+ *
+ * +---------PRT----VIDEO----TVRF--+ SPC-1000A
+ * + +
+ * + ROM0 S4 MC1372 + Internal Data-recorder with Cassette Audio Player
+ * + ROM1 LM386(12V) + Add FDD auto detect
+ * +-------+ ROM2 AY-3-8910 + Remove IPL button
+ * + SPC-1000A ROM3 + Change DRAM refresh circuit
+ * IPL + Use 64K DRAM made by Samsung
+ * + MC6847 + Use TTL IC made by Goldstar
+ * + Z80A +
+ * + +
+ * + +
+ * +---------------------------------------+
+ *
+ */
#include "emu.h"
#include "cpu/z80/z80.h"