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Add minifb backend - Armwrestler now plays !

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Former-commit-id: d72ea9139e04624322cf3bc4a8ab330f6bb133a4
This commit is contained in:
Michel Heily 2019-07-20 23:02:18 +03:00
parent 61e1f055f1
commit 7e9c0e31da
12 changed files with 369 additions and 118 deletions
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235
Cargo.lock generated
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@ -33,7 +33,7 @@ dependencies = [
[[package]]
name = "arrayvec"
version = "0.4.10"
version = "0.4.11"
source = "registry+https://github.com/rust-lang/crates.io-index"
dependencies = [
"nodrop 0.1.13 (registry+https://github.com/rust-lang/crates.io-index)",
@ -41,38 +41,36 @@ dependencies = [
[[package]]
name = "atty"
version = "0.2.11"
version = "0.2.13"
source = "registry+https://github.com/rust-lang/crates.io-index"
dependencies = [
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"winapi 0.3.7 (registry+https://github.com/rust-lang/crates.io-index)",
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name = "autocfg"
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source = "registry+https://github.com/rust-lang/crates.io-index"
[[package]]
name = "backtrace"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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[[package]]
name = "backtrace-sys"
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[[package]]
@ -90,7 +88,7 @@ name = "blake2-rfc"
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source = "registry+https://github.com/rust-lang/crates.io-index"
dependencies = [
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"constant_time_eq 0.1.3 (registry+https://github.com/rust-lang/crates.io-index)",
]
@ -125,7 +123,7 @@ version = "2.33.0"
source = "registry+https://github.com/rust-lang/crates.io-index"
dependencies = [
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@ -171,7 +169,7 @@ version = "0.3.3"
source = "registry+https://github.com/rust-lang/crates.io-index"
dependencies = [
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@ -191,7 +189,7 @@ name = "failure"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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@ -201,8 +199,8 @@ version = "0.1.5"
source = "registry+https://github.com/rust-lang/crates.io-index"
dependencies = [
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]
@ -211,6 +209,15 @@ name = "fuchsia-cprng"
version = "0.1.1"
source = "registry+https://github.com/rust-lang/crates.io-index"
[[package]]
name = "gdi32-sys"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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]
[[package]]
name = "hexdump"
version = "0.1.0"
@ -225,6 +232,20 @@ name = "itertools"
version = "0.4.19"
source = "registry+https://github.com/rust-lang/crates.io-index"
[[package]]
name = "kernel32-sys"
version = "0.2.2"
source = "registry+https://github.com/rust-lang/crates.io-index"
dependencies = [
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[[package]]
name = "lazy_static"
version = "0.2.11"
source = "registry+https://github.com/rust-lang/crates.io-index"
[[package]]
name = "lazy_static"
version = "1.3.0"
@ -244,12 +265,12 @@ dependencies = [
[[package]]
name = "libc"
version = "0.2.58"
version = "0.2.60"
source = "registry+https://github.com/rust-lang/crates.io-index"
[[package]]
name = "log"
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source = "registry+https://github.com/rust-lang/crates.io-index"
dependencies = [
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@ -257,9 +278,24 @@ dependencies = [
[[package]]
name = "memchr"
version = "2.2.0"
version = "2.2.1"
source = "registry+https://github.com/rust-lang/crates.io-index"
[[package]]
name = "minifb"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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"kernel32-sys 0.2.2 (registry+https://github.com/rust-lang/crates.io-index)",
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[[package]]
name = "nix"
version = "0.14.1"
@ -268,7 +304,7 @@ dependencies = [
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"cc 1.0.37 (registry+https://github.com/rust-lang/crates.io-index)",
"cfg-if 0.1.9 (registry+https://github.com/rust-lang/crates.io-index)",
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"void 1.0.2 (registry+https://github.com/rust-lang/crates.io-index)",
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@ -283,7 +319,7 @@ version = "5.0.0"
source = "registry+https://github.com/rust-lang/crates.io-index"
dependencies = [
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@ -324,7 +360,7 @@ name = "num-complex"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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@ -333,7 +369,7 @@ name = "num-integer"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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@ -342,7 +378,7 @@ name = "num-iter"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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@ -352,7 +388,7 @@ name = "num-rational"
version = "0.2.2"
source = "registry+https://github.com/rust-lang/crates.io-index"
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@ -371,19 +407,28 @@ name = "num-traits"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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[[package]]
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[[package]]
name = "pkg-config"
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source = "registry+https://github.com/rust-lang/crates.io-index"
[[package]]
name = "proc-macro2"
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@ -399,7 +444,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
[[package]]
name = "quote"
version = "0.6.12"
version = "0.6.13"
source = "registry+https://github.com/rust-lang/crates.io-index"
dependencies = [
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@ -411,7 +456,7 @@ version = "0.4.6"
source = "registry+https://github.com/rust-lang/crates.io-index"
dependencies = [
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@ -422,8 +467,8 @@ name = "rand"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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@ -440,7 +485,7 @@ name = "rand_chacha"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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@ -478,7 +523,7 @@ name = "rand_jitter"
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@ -490,7 +535,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
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@ -501,7 +546,7 @@ name = "rand_pcg"
version = "0.1.2"
source = "registry+https://github.com/rust-lang/crates.io-index"
dependencies = [
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]
@ -523,17 +568,9 @@ dependencies = [
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name = "redox_syscall"
version = "0.1.54"
version = "0.1.56"
source = "registry+https://github.com/rust-lang/crates.io-index"
[[package]]
name = "redox_termios"
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source = "registry+https://github.com/rust-lang/crates.io-index"
dependencies = [
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]
[[package]]
name = "redox_users"
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@ -542,7 +579,7 @@ dependencies = [
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]
[[package]]
@ -561,6 +598,7 @@ dependencies = [
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@ -588,9 +626,9 @@ version = "5.0.0"
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@ -615,7 +653,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
dependencies = [
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@ -627,7 +665,7 @@ version = "0.32.6"
source = "registry+https://github.com/rust-lang/crates.io-index"
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]
[[package]]
@ -674,11 +712,11 @@ dependencies = [
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name = "syn"
version = "0.15.38"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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@ -696,22 +734,11 @@ version = "0.10.2"
source = "registry+https://github.com/rust-lang/crates.io-index"
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[[package]]
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source = "registry+https://github.com/rust-lang/crates.io-index"
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[[package]]
name = "textwrap"
version = "0.11.0"
@ -725,8 +752,8 @@ name = "time"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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@ -758,6 +785,15 @@ dependencies = [
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[[package]]
name = "user32-sys"
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source = "registry+https://github.com/rust-lang/crates.io-index"
dependencies = [
"winapi 0.2.8 (registry+https://github.com/rust-lang/crates.io-index)",
"winapi-build 0.1.1 (registry+https://github.com/rust-lang/crates.io-index)",
]
[[package]]
name = "utf8parse"
version = "0.1.1"
@ -778,6 +814,11 @@ name = "void"
version = "1.0.2"
source = "registry+https://github.com/rust-lang/crates.io-index"
[[package]]
name = "winapi"
version = "0.2.8"
source = "registry+https://github.com/rust-lang/crates.io-index"
[[package]]
name = "winapi"
version = "0.3.7"
@ -787,6 +828,11 @@ dependencies = [
"winapi-x86_64-pc-windows-gnu 0.4.0 (registry+https://github.com/rust-lang/crates.io-index)",
]
[[package]]
name = "winapi-build"
version = "0.1.1"
source = "registry+https://github.com/rust-lang/crates.io-index"
[[package]]
name = "winapi-i686-pc-windows-gnu"
version = "0.4.0"
@ -808,6 +854,16 @@ dependencies = [
"winapi 0.3.7 (registry+https://github.com/rust-lang/crates.io-index)",
]
[[package]]
name = "x11-dl"
version = "2.14.0"
source = "registry+https://github.com/rust-lang/crates.io-index"
dependencies = [
"lazy_static 0.2.11 (registry+https://github.com/rust-lang/crates.io-index)",
"libc 0.2.60 (registry+https://github.com/rust-lang/crates.io-index)",
"pkg-config 0.3.14 (registry+https://github.com/rust-lang/crates.io-index)",
]
[[package]]
name = "yaml-rust"
version = "0.3.5"
@ -818,11 +874,11 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
"checksum approx 0.1.1 (registry+https://github.com/rust-lang/crates.io-index)" = "08abcc3b4e9339e33a3d0a5ed15d84a687350c05689d825e0f6655eef9e76a94"
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"checksum bit 0.1.1 (registry+https://github.com/rust-lang/crates.io-index)" = "2b645c5c09a7d4035949cfce1a915785aaad6f17800c35fda8a8c311c491f284"
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@ -840,13 +896,17 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
"checksum failure 0.1.5 (registry+https://github.com/rust-lang/crates.io-index)" = "795bd83d3abeb9220f257e597aa0080a508b27533824adf336529648f6abf7e2"
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"checksum minifb 0.11.2 (registry+https://github.com/rust-lang/crates.io-index)" = "85c2cedede43aad485232acf318a3e191ee5a3c2250ca8a3556b849a48e8b901"
"checksum nix 0.14.1 (registry+https://github.com/rust-lang/crates.io-index)" = "6c722bee1037d430d0f8e687bbdbf222f27cc6e4e68d5caf630857bb2b6dbdce"
"checksum nodrop 0.1.13 (registry+https://github.com/rust-lang/crates.io-index)" = "2f9667ddcc6cc8a43afc9b7917599d7216aa09c463919ea32c59ed6cac8bc945"
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@ -859,11 +919,12 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
"checksum num-rational 0.2.2 (registry+https://github.com/rust-lang/crates.io-index)" = "f2885278d5fe2adc2f75ced642d52d879bffaceb5a2e0b1d4309ffdfb239b454"
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"checksum num-traits 0.2.8 (registry+https://github.com/rust-lang/crates.io-index)" = "6ba9a427cfca2be13aa6f6403b0b7e7368fe982bfa16fccc450ce74c46cd9b32"
"checksum numtoa 0.1.0 (registry+https://github.com/rust-lang/crates.io-index)" = "b8f8bdf33df195859076e54ab11ee78a1b208382d3a26ec40d142ffc1ecc49ef"
"checksum odds 0.2.26 (registry+https://github.com/rust-lang/crates.io-index)" = "4eae0151b9dacf24fcc170d9995e511669a082856a91f958a2fe380bfab3fb22"
"checksum orbclient 0.3.24 (registry+https://github.com/rust-lang/crates.io-index)" = "a6bf65f618983a876b7a71e5cdb171c9e9e8264b519bcd6b9bd1805c30d7d980"
"checksum pkg-config 0.3.14 (registry+https://github.com/rust-lang/crates.io-index)" = "676e8eb2b1b4c9043511a9b7bea0915320d7e502b0a079fb03f9635a5252b18c"
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"checksum quote 0.6.12 (registry+https://github.com/rust-lang/crates.io-index)" = "faf4799c5d274f3868a4aae320a0a182cbd2baee377b378f080e16a23e9d80db"
"checksum quote 0.6.13 (registry+https://github.com/rust-lang/crates.io-index)" = "6ce23b6b870e8f94f81fb0a363d65d86675884b34a09043c81e5562f11c1f8e1"
"checksum rand 0.4.6 (registry+https://github.com/rust-lang/crates.io-index)" = "552840b97013b1a26992c11eac34bdd778e464601a4c2054b5f0bff7c6761293"
"checksum rand 0.6.5 (registry+https://github.com/rust-lang/crates.io-index)" = "6d71dacdc3c88c1fde3885a3be3fbab9f35724e6ce99467f7d9c5026132184ca"
"checksum rand_chacha 0.1.1 (registry+https://github.com/rust-lang/crates.io-index)" = "556d3a1ca6600bfcbab7c7c91ccb085ac7fbbcd70e008a98742e7847f4f7bcef"
@ -876,8 +937,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
"checksum rand_pcg 0.1.2 (registry+https://github.com/rust-lang/crates.io-index)" = "abf9b09b01790cfe0364f52bf32995ea3c39f4d2dd011eac241d2914146d0b44"
"checksum rand_xorshift 0.1.1 (registry+https://github.com/rust-lang/crates.io-index)" = "cbf7e9e623549b0e21f6e97cf8ecf247c1a8fd2e8a992ae265314300b2455d5c"
"checksum rdrand 0.4.0 (registry+https://github.com/rust-lang/crates.io-index)" = "678054eb77286b51581ba43620cc911abf02758c91f93f479767aed0f90458b2"
"checksum redox_syscall 0.1.54 (registry+https://github.com/rust-lang/crates.io-index)" = "12229c14a0f65c4f1cb046a3b52047cdd9da1f4b30f8a39c5063c8bae515e252"
"checksum redox_termios 0.1.1 (registry+https://github.com/rust-lang/crates.io-index)" = "7e891cfe48e9100a70a3b6eb652fef28920c117d366339687bd5576160db0f76"
"checksum redox_syscall 0.1.56 (registry+https://github.com/rust-lang/crates.io-index)" = "2439c63f3f6139d1b57529d16bc3b8bb855230c8efcc5d3a896c8bea7c3b1e84"
"checksum redox_users 0.3.0 (registry+https://github.com/rust-lang/crates.io-index)" = "3fe5204c3a17e97dde73f285d49be585df59ed84b50a872baf416e73b62c3828"
"checksum rgb 0.8.13 (registry+https://github.com/rust-lang/crates.io-index)" = "4f089652ca87f5a82a62935ec6172a534066c7b97be003cc8f702ee9a7a59c92"
"checksum rustc-demangle 0.1.15 (registry+https://github.com/rust-lang/crates.io-index)" = "a7f4dccf6f4891ebcc0c39f9b6eb1a83b9bf5d747cb439ec6fba4f3b977038af"
@ -893,10 +953,9 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
"checksum static_assertions 0.2.5 (registry+https://github.com/rust-lang/crates.io-index)" = "c19be23126415861cb3a23e501d34a708f7f9b2183c5252d690941c2e69199d5"
"checksum strsim 0.8.0 (registry+https://github.com/rust-lang/crates.io-index)" = "8ea5119cdb4c55b55d432abb513a0429384878c15dde60cc77b1c99de1a95a6a"
"checksum syn 0.11.11 (registry+https://github.com/rust-lang/crates.io-index)" = "d3b891b9015c88c576343b9b3e41c2c11a51c219ef067b264bd9c8aa9b441dad"
"checksum syn 0.15.38 (registry+https://github.com/rust-lang/crates.io-index)" = "37ea458a750f59ab679b47fef9b6722c586c5742f4cfe18a120bbc807e5e01fd"
"checksum syn 0.15.39 (registry+https://github.com/rust-lang/crates.io-index)" = "b4d960b829a55e56db167e861ddb43602c003c7be0bee1d345021703fac2fb7c"
"checksum synom 0.11.3 (registry+https://github.com/rust-lang/crates.io-index)" = "a393066ed9010ebaed60b9eafa373d4b1baac186dd7e008555b0f702b51945b6"
"checksum synstructure 0.10.2 (registry+https://github.com/rust-lang/crates.io-index)" = "02353edf96d6e4dc81aea2d8490a7e9db177bf8acb0e951c24940bf866cb313f"
"checksum termion 1.5.3 (registry+https://github.com/rust-lang/crates.io-index)" = "6a8fb22f7cde82c8220e5aeacb3258ed7ce996142c77cba193f203515e26c330"
"checksum textwrap 0.11.0 (registry+https://github.com/rust-lang/crates.io-index)" = "d326610f408c7a4eb6f51c37c330e496b08506c9457c9d34287ecc38809fb060"
"checksum time 0.1.42 (registry+https://github.com/rust-lang/crates.io-index)" = "db8dcfca086c1143c9270ac42a2bbd8a7ee477b78ac8e45b19abfb0cbede4b6f"
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@ -904,12 +963,16 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
"checksum unicode-xid 0.0.4 (registry+https://github.com/rust-lang/crates.io-index)" = "8c1f860d7d29cf02cb2f3f359fd35991af3d30bac52c57d265a3c461074cb4dc"
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1
Cargo.toml
View file

@ -17,6 +17,7 @@ colored = "1.8"
ansi_term = "0.11.0"
hexdump = "0.1.0"
sdl2 = "0.32.2"
minifb = "0.11.2"
time = "0.1.42"
[profile.dev]

27
src/backend.rs Normal file
View file

@ -0,0 +1,27 @@
use crate::bit::BitIndex;
use super::core::gba::GameBoyAdvance;
use super::core::ioregs::consts::*;
use super::core::keypad;
pub use super::minifb_backend::MinifbBackend;
pub trait EmulatorBackend {
fn render(&mut self, buffer: Vec<u32>) {}
fn get_key_state(&self) -> u16;
}
pub struct DummyBackend;
impl DummyBackend {
fn new() -> DummyBackend {
DummyBackend {}
}
}
impl EmulatorBackend for DummyBackend {
fn get_key_state(&self) -> u16 {
keypad::KEYINPUT_ALL_RELEASED
}
}

16
src/bin/cli.yml
View file

@ -1,21 +1,27 @@
name: rustboyadvance-ng
author: Michel Heily <michelheily@gmail.com>
about: Game boy advance emulator and debugger
subcommands:
- debug:
about: Debug the bios with the arm core emulation
args:
- bios:
help: Sets the bios file to use
short: b
required: false
default_value: gba_bios.bin
index: 1
- game_rom:
short: g
long: game-rom
takes_value: true
help: Sets the game-rom file to use
required: true
index: 1
- skip_bios:
long: skip-bios
help: Skip running bios and start from the ROM instead
- backend:
long: backend
takes_value: true
possible_values: [ sdl2, minifb ]
default_value: minifb
required: false
- debug:
long: debug
help: Start with the debugger attached

42
src/bin/main.rs
View file

@ -1,3 +1,6 @@
use std::time;
use std::time::Duration;
#[macro_use]
extern crate clap;
@ -5,17 +8,31 @@ use clap::{App, ArgMatches};
extern crate rustboyadvance_ng;
use rustboyadvance_ng::backend::*;
use rustboyadvance_ng::core::arm7tdmi::Core;
use rustboyadvance_ng::core::cartridge::Cartridge;
use rustboyadvance_ng::core::gpu;
use rustboyadvance_ng::core::{GBAResult, GameBoyAdvance};
use rustboyadvance_ng::util::read_bin_file;
use rustboyadvance_ng::debugger::Debugger;
use rustboyadvance_ng::util::read_bin_file;
fn run_debug(matches: &ArgMatches) -> GBAResult<()> {
fn run_emulator(matches: &ArgMatches) -> GBAResult<()> {
let skip_bios = match matches.occurrences_of("skip_bios") {
0 => false,
_ => true,
};
let debug = match matches.occurrences_of("debug") {
0 => false,
_ => true,
};
let backend: Box<EmulatorBackend> = match matches.value_of("backend") {
Some("sdl2") => panic!("sdl2 not implemented"),
Some("minifb") => Box::new(MinifbBackend::new()),
// None => DummyBackend::new(),
None => Box::new(DummyBackend {}),
_ => unreachable!(),
};
let bios_bin = read_bin_file(matches.value_of("bios").unwrap_or_default())?;
@ -39,13 +56,25 @@ fn run_debug(matches: &ArgMatches) -> GBAResult<()> {
core.cpsr.set(0x5f);
}
let gba = GameBoyAdvance::new(core, bios_bin, gamepak);
let mut gba = GameBoyAdvance::new(core, bios_bin, gamepak, backend);
if debug {
let mut debugger = Debugger::new(gba);
println!("starting debugger...");
debugger.repl()?;
println!("ending debugger...");
} else {
let frame_time = time::Duration::new(0, 1_000_000_000u32 / 60);
loop {
let start_time = time::Instant::now();
gba.frame();
let time_passed = time::Instant::now() - start_time;
if time_passed <= frame_time {
let duration = frame_time - time_passed;
::std::thread::sleep(duration);
}
}
}
Ok(())
}
@ -54,10 +83,7 @@ fn main() {
let yaml = load_yaml!("cli.yml");
let matches = App::from_yaml(yaml).get_matches();
let result = match matches.subcommand() {
("debug", Some(m)) => run_debug(m),
_ => Ok(()),
};
let result = run_emulator(&matches);
if let Err(err) = result {
println!("Got an error: {:?}", err);

2
src/core/arm7tdmi/arm/mod.rs
View file

@ -352,7 +352,7 @@ impl ArmInstruction {
mod tests {
use super::*;
use crate::core::arm7tdmi::*;
use crate::sysbus::BoxedMemory;
use crate::core::sysbus::BoxedMemory;
#[test]
fn swi() {

2
src/core/arm7tdmi/thumb/mod.rs
View file

@ -349,7 +349,7 @@ impl ThumbInstruction {
mod tests {
use super::*;
use crate::core::arm7tdmi::{Bus, Core};
use crate::sysbus::BoxedMemory;
use crate::core::sysbus::BoxedMemory;
#[test]
fn mov_low_reg() {

17
src/core/gba.rs
View file

@ -9,8 +9,10 @@ use super::ioregs::consts::*;
use super::sysbus::SysBus;
use super::EmuIoDev;
use super::{GBAError, GBAResult};
use crate::backend::*;
pub struct GameBoyAdvance {
backend: Box<EmulatorBackend>,
pub cpu: Core,
pub sysbus: SysBus,
@ -25,10 +27,16 @@ pub struct GameBoyAdvance {
}
impl GameBoyAdvance {
pub fn new(cpu: Core, bios_rom: Vec<u8>, gamepak: Cartridge) -> GameBoyAdvance {
pub fn new(
cpu: Core,
bios_rom: Vec<u8>,
gamepak: Cartridge,
backend: Box<EmulatorBackend>,
) -> GameBoyAdvance {
let sysbus = SysBus::new(bios_rom, gamepak);
GameBoyAdvance {
backend: backend,
cpu: cpu,
sysbus: sysbus,
@ -59,12 +67,19 @@ impl GameBoyAdvance {
}
pub fn frame(&mut self) {
self.update_key_state();
while self.gpu.state == GpuState::VBlank {
self.emulate();
}
while self.gpu.state != GpuState::VBlank {
self.emulate();
}
self.backend.render(self.gpu.render());
}
fn update_key_state(&mut self) {
let keyinput = self.backend.get_key_state();
self.sysbus.ioregs.write_reg(REG_KEYINPUT, keyinput);
}
pub fn emulate(&mut self) {

13
src/core/gpu.rs
View file

@ -343,6 +343,19 @@ impl Gpu {
_ => panic!("{:?} not supported", dispcnt.bg_mode),
}
}
pub fn render(&self) -> Vec<u32> {
let mut buffer = vec![0u32; Gpu::DISPLAY_WIDTH * Gpu::DISPLAY_WIDTH];
for y in 0..Gpu::DISPLAY_HEIGHT {
for x in 0..Gpu::DISPLAY_WIDTH {
let index = (x as usize) + (y as usize) * (512 as usize);
let (r, g, b) = self.pixeldata[index].get_rgb24();
buffer[x + Gpu::DISPLAY_WIDTH * y] =
((r as u32) << 16) | ((g as u32) << 8) | (b as u32);
}
}
buffer
}
}
// *TODO* Running the Gpu step by step causes a massive performance impact, so for now not treat it as an emulated IO device.

1
src/core/mod.rs
View file

@ -9,6 +9,7 @@ pub use interrupt::Interrupt;
pub mod gba;
pub use gba::GameBoyAdvance;
pub mod dma;
pub mod keypad;
pub mod palette;
use crate::debugger;

2
src/lib.rs
View file

@ -14,7 +14,9 @@ extern crate nom;
extern crate ansi_term;
extern crate colored; // not needed in Rust 2018
pub mod backend;
pub mod core;
pub mod debugger;
pub mod disass;
pub mod minifb_backend;
pub mod util;

97
src/minifb_backend.rs Normal file
View file

@ -0,0 +1,97 @@
use std::time;
use crate::bit::BitIndex;
use std::thread;
extern crate minifb;
use minifb::{Key, Window, WindowOptions};
use super::backend::EmulatorBackend;
use crate::core::gpu::Gpu;
use super::core::keypad;
pub struct MinifbBackend {
window: Window,
frames_rendered: u32,
first_frame_start: time::Instant,
}
impl MinifbBackend {
pub fn new() -> MinifbBackend {
let window = Window::new(
"rustboyadvance-ng",
Gpu::DISPLAY_WIDTH,
Gpu::DISPLAY_HEIGHT,
WindowOptions {
borderless: true,
scale: minifb::Scale::X4,
..Default::default()
},
)
.unwrap();
MinifbBackend {
window: window,
frames_rendered: 0,
first_frame_start: time::Instant::now(),
}
}
}
impl EmulatorBackend for MinifbBackend {
fn render(&mut self, buffer: Vec<u32>) {
let now = time::Instant::now();
if now - self.first_frame_start >= time::Duration::from_secs(1) {
let title = format!("rustboyadvance-ng ({} fps)", self.frames_rendered);
self.window.set_title(&title);
self.first_frame_start = now;
self.frames_rendered = 0;
}
self.window.update_with_buffer(&buffer).unwrap();
self.frames_rendered += 1;
}
fn get_key_state(&self) -> u16 {
let mut keyinput = keypad::KEYINPUT_ALL_RELEASED;
keyinput.set_bit(keypad::Keys::Up as usize, !self.window.is_key_down(Key::Up));
keyinput.set_bit(
keypad::Keys::Down as usize,
!self.window.is_key_down(Key::Down),
);
keyinput.set_bit(
keypad::Keys::Left as usize,
!self.window.is_key_down(Key::Left),
);
keyinput.set_bit(
keypad::Keys::Right as usize,
!self.window.is_key_down(Key::Right),
);
keyinput.set_bit(
keypad::Keys::ButtonB as usize,
!self.window.is_key_down(Key::Z),
);
keyinput.set_bit(
keypad::Keys::ButtonA as usize,
!self.window.is_key_down(Key::X),
);
keyinput.set_bit(
keypad::Keys::Start as usize,
!self.window.is_key_down(Key::Enter),
);
keyinput.set_bit(
keypad::Keys::Select as usize,
!self.window.is_key_down(Key::Space),
);
keyinput.set_bit(
keypad::Keys::ButtonL as usize,
!self.window.is_key_down(Key::A),
);
keyinput.set_bit(
keypad::Keys::ButtonR as usize,
!self.window.is_key_down(Key::S),
);
keyinput
}
}