Commit Graph

275 Commits

Author SHA1 Message Date
Ivan Izaguirre
78ff401ff0 CPU clock speed emulation 2019-05-04 19:49:11 +02:00
Ivan Izaguirre
240cfbae9b Screen dumped on the stdout no longer by default 2019-05-03 22:00:48 +02:00
Ivan Izaguirre
f80b635ff1 Support for mixed graph mode 2019-05-03 21:45:29 +02:00
Ivan Izaguirre
c8c5ab9fd6 Split of screen.go 2019-05-03 20:09:53 +02:00
Ivan Izaguirre
847dbbc8bf Build the NTSC color while the signal arrives and not every 4 bits 2019-05-03 20:01:23 +02:00
Ivan Izaguirre
362081ff6e Initial NTSC emulation. Color as a filter on top of monochrome with half pixels 2019-05-03 18:19:57 +02:00
Ivan Izaguirre
ba6faa0203 Support for half pixel shifts on hgr mono 2019-05-02 12:21:07 +02:00
Ivan Izaguirre
90250cdf3e Support for inverse and flash in text mode 2019-05-01 17:59:46 +02:00
Ivan Izaguirre
9fcd499241 Improved CRT sumulation. P1 phosphor green and vertical line separation. 2019-05-01 16:54:53 +02:00
Ivan Izaguirre
fc3754159f Support color graphics. As defined in the Reference Manual, no artifacts. 2019-04-28 00:13:34 +02:00
Ivan Izaguirre
1196890c18 Support monochrome graphics 2019-04-26 18:08:30 +02:00
Ivan Izaguirre
d4d47f3968 Render text mode into SDL window 2019-04-22 00:18:14 +02:00
Ivan Izaguirre
2cd3ed3a48 Support for text mode rendering 2019-04-21 21:04:02 +02:00
Ivan Izaguirre
016e1ea875 Character map roms initial support 2019-04-21 18:18:43 +02:00
Ivan Izaguirre
05355749f3 Command line arguments 2019-04-15 23:13:05 +02:00
Ivan Izaguirre
9ab4e449b8 Revert change on keyboard strobe, use it for flow control on the stdin keyboard provider 2019-04-14 20:46:40 +02:00
Ivan Izaguirre
5e718cdbe2 Improve non-stdin case 2019-04-14 13:06:35 +02:00
Ivan Izaguirre
1247d58912 Fix keyboard strobe behaviour 2019-04-14 12:54:11 +02:00
Ivan Izaguirre
b775526b34 Improved keyboard support wih SDL 2019-04-13 20:29:31 +02:00
Ivan Izaguirre
2ca630ddfc DSK conversion to NIB completed and working. 2019-03-11 23:27:34 +01:00
Ivan Izaguirre
62608d2e38 Code to support DSK format disk images, not working yet 2019-03-11 00:12:34 +01:00
Ivan Izaguirre
cc45403b43 Boots DOS 3.3 using nib format 2019-03-05 00:00:12 +01:00
Ivan Izaguirre
6babe07ea6 Some work on the DiskII 2019-03-03 23:54:43 +01:00
Ivan Izaguirre
84f45d9f99 First changes for disk support 2019-03-02 20:41:25 +01:00
Ivan Izaguirre
5b186f9b15 Extract components from the memory manager 2019-03-02 18:33:50 +01:00
Ivan Izaguirre
55ad73d01d Reorg 6502 files. Count cycles. Pending extra cycles on page change. 2019-02-28 23:54:38 +01:00
Ivan Izaguirre
ac73b8823c Observers on memory pages. Text memory is now regular RAM with an observer 2019-02-25 23:28:26 +01:00
Ivan Izaguirre
590dfb5cec Separate read and write soft switches. Keyboard works now in Apple2e. Extended char set 2019-02-24 23:54:13 +01:00
Ivan Izaguirre
69cc4d15d5 Refactor ioC0Page 2019-02-24 15:05:50 +01:00
Ivan Izaguirre
645c37049f Apple IIe rom boots with all the ROM shadowing in place. 2019-02-24 14:37:10 +01:00
Ivan Izaguirre
d2c897f7ea Improved memory manager to support Apple2e shadow ROM 2019-02-24 00:41:32 +01:00
Ivan Izaguirre
a28536d561 Changes on the memory abstractions to support memory bank switching 2019-02-22 22:19:08 +01:00
Ivan Izaguirre
922ae7839e Abstract Memory with FlatMemory and PagedMemory implementations 2019-02-22 18:00:53 +01:00
Ivan Izaguirre
49ea32b84d Support for FLASH and INVERSE. Extract text display code to the ANSI frontend 2019-02-22 00:21:17 +01:00
Ivan Izaguirre
5172919649 Extract stdin keyboard implementation from the io page simulator 2019-02-20 23:51:47 +01:00
Ivan Izaguirre
5f336810aa Keyboard support using STDIN lines 2019-02-18 00:01:48 +01:00
Ivan Izaguirre
3fca4ed170 Set minimum screen refresh time as 100ms 2019-02-18 00:00:39 +01:00
Iván Izaguirre
09da9056f9
Create LICENSE 2019-02-16 21:03:59 +01:00
Ivan Izaguirre
819c9f7eb9 Improved console output redrawing the screen in place 2019-02-16 20:32:50 +01:00
Ivan Izaguirre
33ccf5e4c3 Project files organization. Second commit wuth the file changes 2019-02-16 20:15:41 +01:00
Ivan Izaguirre
a3ca5439a0 Project files organization. First commit with only moves 2019-02-16 20:12:55 +01:00
Ivan Izaguirre
9f783e53d8 Fixed text mode. Some softswitches implemented. Boots Apple 2+ to prompt. 2019-02-16 17:32:06 +01:00
Ivan Izaguirre
1a6e9e006a Loads ROM, shows APPLE ][ logo. Freezes on . Next to implement the soft switches in page 2019-02-15 00:41:56 +01:00
Ivan Izaguirre
49f2436c7b Refactor memory in pages. Addes text, ram and rom pages 2019-02-13 00:03:43 +01:00
Ivan Izaguirre
139597b0d5 Functional tests 2019-02-12 22:30:35 +01:00
Ivan Izaguirre
8bd489522f Fixed ADC and SBC in decimal mode. All tests pass. 2019-02-10 23:47:54 +01:00
Ivan Izaguirre
f43150c93c Fixed ADC and SBC non BCD. Passing tests up to 41 2019-02-10 17:49:11 +01:00
Ivan Izaguirre
6e524093c1 Fixed JSR and BRK. Added disassemble. 2019-02-10 16:25:03 +01:00
Ivan Izaguirre
ff0d3d10c9 Move addressMode as porperty of every opcode 2019-02-10 14:01:57 +01:00
Ivan Izaguirre
3aa0f413db Passing tests up to 9 2019-02-10 00:15:14 +01:00