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f9d213a806
Project reorg. Separate executables for the SDL and console versions
Ivan Izaguirre
2019-06-01 17:11:25 +0200
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cf4a7e2115
Keyboard remap for more natural use. Host backspace in back arrow and host del is delete
Ivan Izaguirre
2019-05-24 00:41:43 +0200
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3b07b77ea2
Support for disk writes in memory. Not persisted to host disk
Ivan Izaguirre
2019-05-24 00:33:45 +0200
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8233b99e43
Experimental cards: Logger and InOut
Ivan Izaguirre
2019-05-18 23:40:59 +0200
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684c8f7172
Improve the expansion card abstraction
Ivan Izaguirre
2019-05-18 16:43:51 +0200
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cb21a1fefc
Support for state snapshots. F7 to save, F8 to load
Ivan Izaguirre
2019-05-17 23:28:20 +0200
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cccb0583db
Support for the Saturn 128KB card
Ivan Izaguirre
2019-05-17 09:54:49 +0200
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948dc6aab4
Support for the 16KB language card
Ivan Izaguirre
2019-05-16 22:55:19 +0200
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c4f7a7e709
Rework of the memory manager. No longer based on pages, but on bigger go byte ranges
Ivan Izaguirre
2019-05-16 22:51:04 +0200
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51c7a8cb57
Use ioutil.ReadFile()
Ivan Izaguirre
2019-05-15 16:01:04 +0200
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9fa6b4d1c0
Lores mode using NTCS signal, showing artifacts
Ivan Izaguirre
2019-05-13 00:17:31 +0200
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ca38abd3d7
Support for lores graphics, per specs, no artifcats
Ivan Izaguirre
2019-05-12 19:22:32 +0200
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23ba372a25
Automatic fast mode while disks are spinning
Ivan Izaguirre
2019-05-10 18:07:36 +0200
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e449ccd907
Crude sound support
Ivan Izaguirre
2019-05-10 00:09:15 +0200
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6fca02da6b
F6 to toggle mono/color modes
Ivan Izaguirre
2019-05-05 13:25:45 +0200
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9247ae02af
Reset NTSC signal on each line
Ivan Izaguirre
2019-05-05 12:51:30 +0200
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f2c935305b
F5 to toggle fast/slow mode
Ivan Izaguirre
2019-05-05 12:38:24 +0200
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78ff401ff0
CPU clock speed emulation
Ivan Izaguirre
2019-05-04 19:49:11 +0200
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240cfbae9b
Screen dumped on the stdout no longer by default
Ivan Izaguirre
2019-05-03 22:00:48 +0200
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f80b635ff1
Support for mixed graph mode
Ivan Izaguirre
2019-05-03 21:45:29 +0200
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c8c5ab9fd6
Split of screen.go
Ivan Izaguirre
2019-05-03 20:09:53 +0200
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847dbbc8bf
Build the NTSC color while the signal arrives and not every 4 bits
Ivan Izaguirre
2019-05-03 20:01:23 +0200
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362081ff6e
Initial NTSC emulation. Color as a filter on top of monochrome with half pixels
Ivan Izaguirre
2019-05-03 18:19:57 +0200
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ba6faa0203
Support for half pixel shifts on hgr mono
Ivan Izaguirre
2019-05-02 12:21:07 +0200
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90250cdf3e
Support for inverse and flash in text mode
Ivan Izaguirre
2019-05-01 17:59:46 +0200
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9fcd499241
Improved CRT sumulation. P1 phosphor green and vertical line separation.
Ivan Izaguirre
2019-05-01 16:54:53 +0200
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fc3754159f
Support color graphics. As defined in the Reference Manual, no artifacts.
Ivan Izaguirre
2019-04-28 00:13:34 +0200
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1196890c18
Support monochrome graphics
Ivan Izaguirre
2019-04-26 18:08:30 +0200
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d4d47f3968
Render text mode into SDL window
Ivan Izaguirre
2019-04-22 00:18:14 +0200
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2cd3ed3a48
Support for text mode rendering
Ivan Izaguirre
2019-04-21 21:04:02 +0200
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016e1ea875
Character map roms initial support
Ivan Izaguirre
2019-04-21 18:18:43 +0200
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05355749f3
Command line arguments
Ivan Izaguirre
2019-04-15 23:13:05 +0200
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9ab4e449b8
Revert change on keyboard strobe, use it for flow control on the stdin keyboard provider
Ivan Izaguirre
2019-04-14 20:46:40 +0200
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5e718cdbe2
Improve non-stdin case
Ivan Izaguirre
2019-04-14 13:06:35 +0200
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1247d58912
Fix keyboard strobe behaviour
Ivan Izaguirre
2019-04-14 12:54:11 +0200
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b775526b34
Improved keyboard support wih SDL
Ivan Izaguirre
2019-04-13 20:29:31 +0200
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2ca630ddfc
DSK conversion to NIB completed and working.
Ivan Izaguirre
2019-03-11 23:27:34 +0100
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62608d2e38
Code to support DSK format disk images, not working yet
Ivan Izaguirre
2019-03-11 00:12:34 +0100
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cc45403b43
Boots DOS 3.3 using nib format
Ivan Izaguirre
2019-03-05 00:00:12 +0100
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6babe07ea6
Some work on the DiskII
Ivan Izaguirre
2019-03-03 23:54:43 +0100
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84f45d9f99
First changes for disk support
Ivan Izaguirre
2019-03-02 20:41:25 +0100
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5b186f9b15
Extract components from the memory manager
Ivan Izaguirre
2019-03-02 18:33:50 +0100
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55ad73d01d
Reorg 6502 files. Count cycles. Pending extra cycles on page change.
Ivan Izaguirre
2019-02-28 23:54:38 +0100
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ac73b8823c
Observers on memory pages. Text memory is now regular RAM with an observer
Ivan Izaguirre
2019-02-25 23:28:26 +0100
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590dfb5cec
Separate read and write soft switches. Keyboard works now in Apple2e. Extended char set
Ivan Izaguirre
2019-02-24 23:54:13 +0100
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69cc4d15d5
Refactor ioC0Page
Ivan Izaguirre
2019-02-24 15:05:50 +0100
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645c37049f
Apple IIe rom boots with all the ROM shadowing in place.
Ivan Izaguirre
2019-02-24 14:37:10 +0100
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d2c897f7ea
Improved memory manager to support Apple2e shadow ROM
Ivan Izaguirre
2019-02-24 00:41:32 +0100
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a28536d561
Changes on the memory abstractions to support memory bank switching
Ivan Izaguirre
2019-02-22 22:19:08 +0100
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922ae7839e
Abstract Memory with FlatMemory and PagedMemory implementations
Ivan Izaguirre
2019-02-22 18:00:53 +0100
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49ea32b84d
Support for FLASH and INVERSE. Extract text display code to the ANSI frontend
Ivan Izaguirre
2019-02-22 00:21:17 +0100
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5172919649
Extract stdin keyboard implementation from the io page simulator
Ivan Izaguirre
2019-02-20 23:51:47 +0100
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5f336810aa
Keyboard support using STDIN lines
Ivan Izaguirre
2019-02-18 00:01:48 +0100
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3fca4ed170
Set minimum screen refresh time as 100ms
Ivan Izaguirre
2019-02-18 00:00:39 +0100
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09da9056f9
Create LICENSE
Iván Izaguirre
2019-02-16 21:03:59 +0100
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819c9f7eb9
Improved console output redrawing the screen in place
Ivan Izaguirre
2019-02-16 20:32:50 +0100
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33ccf5e4c3
Project files organization. Second commit wuth the file changes
Ivan Izaguirre
2019-02-16 20:15:41 +0100
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a3ca5439a0
Project files organization. First commit with only moves
Ivan Izaguirre
2019-02-16 20:12:55 +0100
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9f783e53d8
Fixed text mode. Some softswitches implemented. Boots Apple 2+ to prompt.
Ivan Izaguirre
2019-02-16 17:32:06 +0100
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1a6e9e006a
Loads ROM, shows APPLE ][ logo. Freezes on . Next to implement the soft switches in page
Ivan Izaguirre
2019-02-15 00:41:56 +0100
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49f2436c7b
Refactor memory in pages. Addes text, ram and rom pages
Ivan Izaguirre
2019-02-13 00:03:43 +0100
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139597b0d5
Functional tests
Ivan Izaguirre
2019-02-12 22:30:35 +0100
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8bd489522f
Fixed ADC and SBC in decimal mode. All tests pass.
Ivan Izaguirre
2019-02-10 23:47:54 +0100
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f43150c93c
Fixed ADC and SBC non BCD. Passing tests up to 41
Ivan Izaguirre
2019-02-10 17:49:11 +0100
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6e524093c1
Fixed JSR and BRK. Added disassemble.
Ivan Izaguirre
2019-02-10 16:25:03 +0100
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ff0d3d10c9
Move addressMode as porperty of every opcode
Ivan Izaguirre
2019-02-10 14:01:57 +0100
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3aa0f413db
Passing tests up to 9
Ivan Izaguirre
2019-02-10 00:15:14 +0100
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2b02b8de9e
Handle the virtual bits 5 and 4 when pushing P to the stack
Ivan Izaguirre
2019-02-03 01:38:36 +0100
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7f9aea24e9
Support for BRK, JMP, JSR, RTI and RTS
Ivan Izaguirre
2019-02-03 01:13:02 +0100
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e43a0a9ae1
Support for stack instructions PHA, PHP, PLA and PLP
Ivan Izaguirre
2019-02-02 22:53:26 +0100
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1c1bd79f13
Support for ADC and SBC without BCD
Ivan Izaguirre
2019-02-02 18:16:29 +0100
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d56bea182f
Support for AND, EOR and ORA
Ivan Izaguirre
2019-01-30 23:44:34 +0100
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1379fda5b5
Support CMP, CPX and CPY
Ivan Izaguirre
2019-01-30 23:01:47 +0100
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9e73ad1850
Support for ASL and LSR
Ivan Izaguirre
2019-01-30 20:32:11 +0100
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7b1cb65eef
Support for STA, STX, STY
Ivan Izaguirre
2019-01-30 20:10:39 +0100
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3ac61fed59
Some comments
Ivan Izaguirre
2019-01-30 00:11:35 +0100
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ff1b116163
Added the 8 conditional branch instructions
Ivan Izaguirre
2019-01-29 23:45:01 +0100
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e6535c2778
Simplify resolveWithAddressMethod() use with Lens pattern
Ivan Izaguirre
2019-01-29 00:23:43 +0100
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195d9098a1
Reorder execute.go
Ivan Izaguirre
2019-01-29 00:06:15 +0100
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858d6acac5
Added SEx and CLx
Ivan Izaguirre
2019-01-29 00:00:37 +0100
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964f5bc3be
Added INC and DEC
Ivan Izaguirre
2019-01-28 23:40:18 +0100
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9b0dac5ac8
Fixed ROL A, added ROR
Ivan Izaguirre
2019-01-28 23:10:23 +0100
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aa5aab3526
Rename buildOPTransfer
Ivan Izaguirre
2019-01-28 00:00:17 +0100
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7e7e59e992
ROL and extraction of addressing mode resolution
Ivan Izaguirre
2019-01-27 23:49:16 +0100
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8208885df8
Flags updated
Ivan Izaguirre
2019-01-27 23:03:08 +0100
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de72112f90
Added INX, INY, DEX, DEY
Ivan Izaguirre
2019-01-27 20:15:28 +0100
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d376e46596
Added the six transfer opcodes
Ivan Izaguirre
2019-01-27 19:57:17 +0100
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ba1053c1ac
First iteration of LDA, LDX, LDY completed
Ivan Izaguirre
2019-01-27 18:13:16 +0100
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7e6b5012ca
More addressing modes for LDA
Ivan Izaguirre
2019-01-27 09:25:33 +0100
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925f76394f
First generalization of LD?
Ivan Izaguirre
2019-01-26 18:57:03 +0100
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3c77553dcd
Initial
Ivan Izaguirre
2019-01-26 17:05:51 +0100
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d36c030269
First Commit
Ivan Izaguirre
2019-01-26 16:59:36 +0100