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Added command line arg to adjust the speed of simulation

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This commit is contained in:
transistor 2021-12-28 22:36:52 -08:00
parent bf938855e1
commit 1534644409
2 changed files with 33 additions and 19 deletions
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11
frontends/moa-minifb/src/lib.rs
View File

@ -1,5 +1,6 @@
use std::thread;
use std::str::FromStr;
use std::time::Duration;
use std::sync::{Arc, Mutex};
@ -8,6 +9,7 @@ use clap::{App, ArgMatches};
use moa::error::Error;
use moa::system::System;
use moa::devices::Clock;
use moa::host::traits::{Host, HostData, ControllerUpdater, KeyboardUpdater, WindowUpdater, Audio};
use moa::host::controllers::{ControllerDevice};
@ -28,6 +30,7 @@ pub fn new(name: &str) -> App {
App::new(name)
.arg("-s, --scale=[1,2,4] 'Scale the screen'")
.arg("-t, --threaded 'Run the simulation in a separate thread'")
.arg("-x, --speed=[] 'Adjust the speed of the simulation'")
.arg("-d, --debugger 'Start the debugger before running machine'")
}
@ -177,6 +180,12 @@ impl MiniFrontend {
_ => minifb::Scale::X2,
};
let speed = match matches.value_of("speed") {
Some(x) => f32::from_str(x).unwrap(),
None => 1.0,
};
let nanoseconds_per_frame = (16_600_000 as f32 * speed) as Clock;
let mut size = (WIDTH, HEIGHT);
if let Some(updater) = self.window.as_mut() {
size = updater.get_size();
@ -198,7 +207,7 @@ impl MiniFrontend {
while window.is_open() && !window.is_key_down(Key::Escape) {
if let Some(system) = system.as_mut() {
system.run_for(16_600_000).unwrap();
system.run_for(nanoseconds_per_frame).unwrap();
//system.run_until_break().unwrap();
}

41
todo.txt
View File

@ -2,11 +2,7 @@
* there is an issue with Mortal Kombat 2 where it will crash randomly at the start of a fight. The code is actually swapping
stacks a bunch of times, and at some point, the stack is corrupted or something and it `rts`s to the wrong address...
* there is still some kind of hscroll glitch, and it seems to entirely be caused by the horizontal scroll offset value. I could be calculating or adding/moding
it incorrectly somewhere somehow, or the data in the hscroll table could be incorrect due to the cpu impl
* go through the testcases and make sure they are decoded correctly
* go through the testcases.rs file and make sure they were decoded correctly
* should you rename devices.rs traits.rs?
* add command line arguments to speed up or slow down either the frame rate limiter or the simulated time per frame
@ -16,14 +12,6 @@
* should you add a unique ID to devices, such that they can be indexed, and their step functions can reset the next_run count and run them immediately
* should you simulate bus arbitration?
* interrupts could be done in a better way
* need a better way of handling disparate reads/writes to I/O spaces, rather than having multiple devices or having a massive chunk of address space allocated, continuously
* should you modify Addressable to also take the absolute address as input? I'm thinking of how the same device could be mapped to multiple addresses in memory instead
of taking up a whole range of addresses
* you could modify read()/write() in Addressable to return the number of bytes read or written for dynamic bus sizing used by the MC68020+
Audio:
* for the mixer, it might be easier to have a buffer for each source, but then you'd need to have a list of all sources, even though
each source has a copy of the mixer as well... Likely there'd be a sub object in Source which is the buffer and anything else needed
@ -43,10 +31,22 @@ Audio:
frontend when it needs it, or it has a copy it can use directly
System/Traits:
* should you simulate bus arbitration?
* interrupts could be done in a better way
* need a better way of handling disparate reads/writes to I/O spaces, rather than having multiple devices or having a massive chunk of address space allocated, continuously
* should you modify Addressable to also take the absolute address as input? I'm thinking of how the same device could be mapped to multiple addresses in memory instead
of taking up a whole range of addresses
* you could modify read()/write() in Addressable to return the number of bytes read or written for dynamic bus sizing used by the MC68020+
Debugger:
* i need a way to debug only the cpu and not the coprocessor, but that's tricky without a way to id or compare Transmutables
* you also need a way to specify the device in a breakpoint, perhaps "break cpu:4a", or "break -cpu 4a"
* add a way to delete a watcher
* can you improve how the watcher implementation in the Bus works, instead of setting a flag and then checking it every cycle, pass in the System to Addressable??
* can you use the breakpoint address parser in other commands?
* how can you improve the debugger?
* the command line definitely needs to be fixed so it prints the prompt correctly
* debugger could maybe even allows arrows left/right for editing, and up/down for history
@ -54,14 +54,19 @@ Debugger:
Genesis/Mega Drive:
* the line hscroll mode needs to draw an extra cell in order to cover up the foreground on the left and bottom edges of the screen
* some games seem to be missing a row of cells at the top (Ghostbuster's dialog borders seem cut off)
* fix sprite/cell priorities so that they're drawn correctly
* implement highlight and shadow mode, which is also related to the priority
* in some games the controller doesn't seem to work at all (Earthworm Jim, and Mortal Kombat)
* refactor ym7101 into multiple files perhaps. You can separate the DMA stuff, the address/interfacing parts, and the graphics state
* colours are still broken in Sonic1
* implement sn76489 and ym2612 for audio
* the 68000/Z80 bank switching is probably buggy, and there's that other banking stuff in the 0xC00000 range, which isn't implemented at all
* add support for the H/V counters at 0xC00008
* need to implement the 1.5ms reset in the genesis controllers
* fix ym7101 to better handle V/H interrupts (right now it sets and then the next step will clear, but it'd be nice if it could 'edge trigger')
* make the ym7101 set/reset the v_int occurred flag based on the interrupt controller
* refactor to allow per-line horizontal scrolling, which might need a pattern iterator than only does a line at a time
* refactor ym7101 into multiple files perhaps. You can separate the DMA stuff, the address/interfacing parts, and the graphics state
* fix sprite/cell priorities so that they're drawn correctly
* add support for the sprite overflow flag (low priority)