Peter Evans
b2c1bd9e6d
Hello world, in rendered text; use nearest pixel sampling
...
The scale change removes some blurriness that we saw when copying pixels
from the bitmap font into the renderer.
2017-12-22 12:56:22 -06:00
Peter Evans
979ca65f43
Add bitmap font to apple2, remove rectangle draw
2017-12-21 23:33:04 -06:00
Peter Evans
adac6346e8
Add color mode, text video modes
2017-12-21 11:52:56 -06:00
Peter Evans
87b67216b0
Default to lo-res mode
2017-12-20 21:54:54 -06:00
Peter Evans
23e113e72a
Add video mode switcher to handle logical sizes
2017-12-20 21:52:28 -06:00
Peter Evans
7d62548248
Add the bones of the draw functions and file
2017-12-20 21:33:15 -06:00
Peter Evans
f55b608bee
Move screen run logic into apple run_loop and create
2017-12-20 20:45:26 -06:00
Peter Evans
8c23f3fa7e
Switch window sizes for 4.375:3
2017-12-20 19:32:54 -06:00
Peter Evans
53db99f4fd
Use size options for window
2017-12-20 17:08:19 -06:00
Peter Evans
609e3eea7c
Add size option, functions to get width and height
2017-12-20 17:06:03 -06:00
Peter Evans
b1c146c62d
Add ability to set logical size of window at any time
...
We also removed the scale field, as the screen does not expect to manage
its own logical coordinates in SDL.
Additionally, we added an xcoords and ycoords function to the screen
externs so that you don't have to "know" that screen has those as
fields.
2017-12-20 16:44:24 -06:00
Peter Evans
f31fcd9c37
Add support for vm_bitfont
2017-12-19 21:50:50 -06:00
Peter Evans
05a641c8f6
Use SDL's render logical size feature
...
This allows us to work with the pure x/y coordinate system we set when
creating the vm_screen. SDL will take care of the translation of those
coordinates to whatever the window size is.
2017-12-18 14:32:15 -06:00
Peter Evans
4ef9e50792
Really basic implementation of SDL2.
...
Plus a crappy rectangle to prove that our vm screen code is working in
principle. (It will be removed shortly.)
2017-12-17 23:31:56 -06:00
Peter Evans
ad37d59b2d
Remove references to OpenGL/GLFW/GLEW
2017-12-17 20:20:11 -06:00
Peter Evans
afa07e346f
A few comments
2017-12-17 19:22:33 -06:00
Peter Evans
83dcfaf646
Add glew, defines for width/height
2017-12-17 19:09:54 -06:00
Peter Evans
a73c15c37c
Rename vm_screen_context to vm_screen
2017-12-17 16:42:05 -06:00
Peter Evans
8beb761535
Actually show a window.
...
This is also the beginning outline of how we want to abstract graphics
away in erc.
2017-12-16 23:38:59 -06:00
Peter Evans
b646bfc511
First stab at adding graphics.
...
This involves using glfw. This first commit creates a window but doesn't
do anything with it; it also just hangs until you can escape out
somehow.
2017-12-16 22:45:39 -06:00
Peter Evans
294fab76aa
Add boot function; modify main to use apple2 boot
2017-12-15 22:22:40 -06:00
Peter Evans
3f3210205f
We missed the size multiplier for memset()
...
In doing so, only a small portion of memory would have reliably been set
to zero; specifically, just the first element!
This change should resolve some intermittent test failures to guarantee
that all memory be zeroed.
2017-12-15 21:22:22 -06:00
Peter Evans
ed1a7b3278
Rename to read/write (without byte)
2017-12-15 21:03:38 -06:00
Peter Evans
b07848dd9d
Change name; move 140k, 240k
2017-12-15 21:00:59 -06:00
Peter Evans
06c8d623e7
Move MAX_SECTOR_POS and change shift into a while loop
2017-12-15 16:52:47 -06:00
Peter Evans
079a35507c
A number of updates in heavy dev phase
...
1. Add an insert function (to insert a new disk).
2. Add a new shift function to coordinate sector position updates when
reading or writing.
2017-12-15 16:45:20 -06:00
Peter Evans
256e0cf1d6
Don't write to the log stream if null
...
This prevents a somewhat vexing crash condition from happening.
2017-12-15 16:28:14 -06:00
Peter Evans
4dffea1dda
Make position non-static; add case for NULL data
2017-12-14 23:08:33 -06:00
Peter Evans
f629b350fa
We can't have a negative track pos; zero is the lowest
2017-12-14 22:46:50 -06:00
Peter Evans
82d22c8fab
Change name of header file in #include
2017-12-14 22:27:45 -06:00
Peter Evans
091939b06b
Renaming files
2017-12-14 22:24:30 -06:00
Peter Evans
24e599a8fd
Rename to apple2dd; add read/write functions
2017-12-14 22:14:55 -06:00
Peter Evans
0162544fa6
Add initial struct and drive code
2017-12-13 20:30:32 -06:00
Peter Evans
577e92de9e
Documentation is good. Write documentation.
2017-12-12 15:10:42 -06:00
Peter Evans
7da3c2ec20
Make use of our read/write mappers
2017-12-12 15:00:47 -06:00
Peter Evans
e019b6daee
A warning to the concerned
2017-12-12 14:59:00 -06:00
Peter Evans
7da2f9e791
Add support for setting read/write map functions
2017-12-12 14:58:06 -06:00
Peter Evans
bb92162dba
Zero, not NULL.
...
Not that there's a practical difference, but we should be clear that
we're zeroing out memory because its contents are vm_8bit values, not
pointers.
2017-12-12 14:45:48 -06:00
Peter Evans
da62ac4ca6
Use double-slash comments
2017-12-12 14:35:13 -06:00
Peter Evans
6f4627802f
We should also NULL out segment memory.
...
Er... oops
2017-12-12 14:33:55 -06:00
Peter Evans
06705f21fc
Add mallocs for read/write tables, NULL-out code
2017-12-12 14:32:32 -06:00
Peter Evans
daab8a7f58
Add instruction strings (mapped to enum symbols)
2017-12-11 21:03:16 -06:00
Peter Evans
850fdc55b5
Add error codes to segment functions
2017-12-09 15:16:56 -06:00
Peter Evans
f44b029083
We need to check P's value as well
...
This test broke once we began to (properly) push P onto the stack.
However, I'm not _clear_ on whether we should push P before or after we
set the INTERRUPT bit... We'll go with things as-is for now.
2017-12-09 14:50:33 -06:00
Peter Evans
3954b1647f
Missing status modifications in a number of instructions
2017-12-08 23:26:46 -06:00
Peter Evans
b0aa6d400a
We should be pushing and popping status
2017-12-08 23:24:58 -06:00
Peter Evans
0336fe7366
Documentation for files
2017-12-08 22:12:31 -06:00
Peter Evans
50563b44a2
Close any open files we have
2017-12-08 17:09:58 -06:00
Peter Evans
cf62694ef0
Add option parsing code, tests
2017-12-08 17:06:21 -06:00
Peter Evans
8cd9c5ffab
Documentation, lacking
2017-12-06 21:25:47 -06:00
