nino-porcino
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c80b372ef2
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put display din as dout as in the real PIA
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2022-05-21 21:17:25 +02:00 |
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nino-porcino
|
14464df7bc
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reduce block RAM size when using TMS & SID
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2022-05-21 15:05:45 +02:00 |
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nino-porcino
|
e365dc059d
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support CTRL keys; add ESC and other missing keys
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2022-05-21 12:50:55 +02:00 |
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nino-porcino
|
3542d776f2
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attempt to use another clock source for SDRAM
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2022-05-21 12:50:02 +02:00 |
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nino-porcino
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aa6042cabd
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rename sdram_* into bus_*; use assign instead of always block; optional SDRAM at $4000
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2022-05-21 12:48:14 +02:00 |
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nino-porcino
|
5dfe5a041c
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update TODO and format code
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2022-05-07 11:41:49 +02:00 |
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nino-porcino
|
0164f7da54
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add PIA 6821 to project (not connected)
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2022-05-07 11:41:22 +02:00 |
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nino-porcino
|
a41bb35646
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do not use system reset for display
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2022-05-07 11:39:28 +02:00 |
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nino-porcino
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6c292189f9
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remove Arlet's CPU reference
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2022-05-07 11:38:37 +02:00 |
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nino-porcino
|
e8b3a6fdc3
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replace Arlet Ottens's 6502 with T65
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2022-05-04 14:16:18 +02:00 |
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nino-porcino
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abfe99721e
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code format
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2022-05-04 14:15:09 +02:00 |
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nino-porcino
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44398c6668
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fix typo in comment
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2022-05-04 14:14:42 +02:00 |
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nino-porcino
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e9e60a5fb5
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improve display accuracy
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2022-03-19 11:03:38 +01:00 |
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nino-porcino
|
b4d78e99e7
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add debounce filter to cassette input
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2022-03-15 17:05:48 +01:00 |
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nino-porcino
|
076e8f48c6
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fix SDRAM download of files
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2022-03-15 17:05:23 +01:00 |
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nino-porcino
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2c21893f52
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remove old code
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2022-03-15 17:04:59 +01:00 |
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nino-porcino
|
7d52fa05ea
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halt CPU when downloading
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2022-03-15 17:04:39 +01:00 |
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nino-porcino
|
d24a1e174b
|
typo
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2022-01-16 23:45:16 +01:00 |
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nino-porcino
|
c2835287d5
|
make SID & TMS9918 optional
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2022-01-15 12:56:56 +01:00 |
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nino-porcino
|
c511cf1571
|
revert using empty power up display values
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2022-01-15 10:57:00 +01:00 |
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nino-porcino
|
de3902a843
|
update TODO list
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2022-01-15 10:56:41 +01:00 |
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nino-porcino
|
22f36f9187
|
more accurate cursor blinking
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2022-01-15 10:56:21 +01:00 |
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nino-porcino
|
cb7aeba5a9
|
add experimental SID 6581
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2022-01-15 10:12:46 +01:00 |
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nino-porcino
|
071afcf1b1
|
emulate crosstalk display artifact
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2022-01-09 19:27:54 +01:00 |
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nino-porcino
|
3e96858500
|
emulate RAM refresh lost CPU cycles
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2022-01-09 17:38:47 +01:00 |
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nino-porcino
|
72ab288cc7
|
more accurate power up display ram values
|
2022-01-09 17:38:13 +01:00 |
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nino-porcino
|
1ca15c1f8a
|
do not reset keyboard registers
|
2022-01-09 17:37:41 +01:00 |
|
nino-porcino
|
c2223a3845
|
fix reset key bug
|
2022-01-08 14:39:07 +01:00 |
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nino-porcino
|
6da2127cec
|
connect interrupt pin
|
2022-01-08 14:23:29 +01:00 |
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nino-porcino
|
5445cd8335
|
remove char_seen from display; update todo
|
2022-01-08 13:53:02 +01:00 |
|
nino-porcino
|
d2db7d0b53
|
reset keyboard key; audio monitor option
|
2022-01-08 13:36:51 +01:00 |
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nino-porcino
|
6526b236e3
|
prepare for refresh rate emulation
|
2022-01-08 12:28:06 +01:00 |
|
nino-porcino
|
c3e75e4859
|
update todo
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2022-01-08 11:43:19 +01:00 |
|
nino-porcino
|
1e7fba455a
|
rename member
|
2022-01-08 00:15:43 +01:00 |
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nino-porcino
|
41215bdd99
|
add tms9918, aci
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2022-01-07 21:30:52 +01:00 |
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nino-porcino
|
d76ecb6a34
|
rename vram into display_ram
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2022-01-07 21:29:49 +01:00 |
|
nino-porcino
|
8610078267
|
format code
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2022-01-07 21:28:11 +01:00 |
|
nino-porcino
|
dee2d5221b
|
cls key, slow down display to 1 char/frame
|
2022-01-06 10:45:54 +01:00 |
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nino-porcino
|
624652c8ce
|
update todo
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2022-01-05 21:40:31 +01:00 |
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nino-porcino
|
c360c6ee7f
|
use 2 ram banks, attempt to make SDRAM work
|
2022-01-05 18:24:02 +01:00 |
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nino-porcino
|
7f0d9280ca
|
update TODO
|
2022-01-05 18:23:26 +01:00 |
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nino-porcino
|
2ed47e3d64
|
make ram module variable in size
|
2022-01-05 18:23:14 +01:00 |
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nino-porcino
|
02cd9b5ecb
|
remove pixel clock
|
2022-01-02 22:20:44 +01:00 |
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nino-porcino
|
b7a1632485
|
use sdram clock as sys_clock
|
2022-01-02 21:50:26 +01:00 |
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nino-porcino
|
7f5f294496
|
introduce pixel_clken signal
|
2022-01-02 21:24:06 +01:00 |
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nino-porcino
|
35876b4b7d
|
use multiple unison clocks
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2022-01-02 16:24:57 +01:00 |
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nino-porcino
|
d4c8ce6296
|
update comments
|
2022-01-02 15:34:44 +01:00 |
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nino-porcino
|
d0a75bf54c
|
generate 7x8 sdram frequency
|
2022-01-02 15:34:31 +01:00 |
|
nino-porcino
|
8437979d3e
|
remove pwr_reset
|
2022-01-02 15:14:53 +01:00 |
|
nino-porcino
|
caa2268b82
|
sdram clock; move clock module to global
|
2022-01-02 15:05:23 +01:00 |
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