mirror of https://github.com/mre/mos6502.git
wip
This commit is contained in:
Matthias
parent
0f882e974b
commit
6a65b375c4
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@ -2,6 +2,15 @@
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# It is not intended for manual editing.
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version = 3
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||||
[[package]]
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||||
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||||
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||||
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||||
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||||
dependencies = [
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||||
"memchr",
|
||||
]
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[[package]]
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name = "autocfg"
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version = "1.1.0"
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@ -57,12 +66,52 @@ dependencies = [
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"serde_json",
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]
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[[package]]
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||||
name = "cc"
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||||
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|
||||
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||||
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|
||||
|
||||
[[package]]
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||||
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|
||||
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|
||||
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|
||||
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|
||||
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||||
[[package]]
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||||
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|
||||
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||||
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||||
dependencies = [
|
||||
"humantime",
|
||||
"is-terminal",
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||||
"log",
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||||
"regex",
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||||
"termcolor",
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]
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[[package]]
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||||
name = "errno"
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||||
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||||
source = "registry+https://github.com/rust-lang/crates.io-index"
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||||
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dependencies = [
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||||
"errno-dragonfly",
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"libc",
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"windows-sys 0.45.0",
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]
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[[package]]
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||||
name = "errno-dragonfly"
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||||
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||||
source = "registry+https://github.com/rust-lang/crates.io-index"
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||||
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dependencies = [
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"cc",
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"libc",
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]
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[[package]]
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name = "error-chain"
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version = "0.12.4"
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@ -87,6 +136,18 @@ version = "0.3.0"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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||||
checksum = "9b919933a397b79c37e33b77bb2aa3dc8eb6e165ad809e58ff75bc7db2e34574"
|
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||||
[[package]]
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||||
name = "hermit-abi"
|
||||
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|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "fed44880c466736ef9a5c5b5facefb5ed0785676d0c02d612db14e54f0d84286"
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||||
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||||
[[package]]
|
||||
name = "humantime"
|
||||
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|
||||
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||||
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[[package]]
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name = "instant"
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version = "0.1.12"
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@ -96,6 +157,29 @@ dependencies = [
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"cfg-if",
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]
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[[package]]
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name = "io-lifetimes"
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||||
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||||
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||||
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dependencies = [
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"hermit-abi",
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"libc",
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"windows-sys 0.48.0",
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]
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[[package]]
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name = "is-terminal"
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||||
version = "0.4.6"
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||||
source = "registry+https://github.com/rust-lang/crates.io-index"
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dependencies = [
|
||||
"hermit-abi",
|
||||
"io-lifetimes",
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||||
"rustix",
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"windows-sys 0.45.0",
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]
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[[package]]
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name = "itoa"
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version = "1.0.2"
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@ -104,9 +188,15 @@ checksum = "112c678d4050afce233f4f2852bb2eb519230b3cf12f33585275537d7e41578d"
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||||
[[package]]
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||||
name = "libc"
|
||||
version = "0.2.126"
|
||||
version = "0.2.141"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "349d5a591cd28b49e1d1037471617a32ddcda5731b99419008085f72d5a53836"
|
||||
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||||
[[package]]
|
||||
name = "linux-raw-sys"
|
||||
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|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
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||||
checksum = "d59d8c75012853d2e872fb56bc8a2e53718e2cafe1a4c823143141c6d90c322f"
|
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|
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[[package]]
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name = "log"
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@ -125,9 +215,10 @@ checksum = "2dffe52ecf27772e601905b7522cb4ef790d2cc203488bbd0e2fe85fcb74566d"
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[[package]]
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name = "mos6502"
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||||
version = "0.3.0"
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||||
version = "0.4.0"
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||||
dependencies = [
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"bitflags 2.0.2",
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"env_logger",
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"log",
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"num",
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"skeptic",
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@ -234,6 +325,23 @@ dependencies = [
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"bitflags 1.3.2",
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]
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[[package]]
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name = "regex"
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version = "1.7.3"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "8b1f693b24f6ac912f4893ef08244d70b6067480d2f1a46e950c9691e6749d1d"
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||||
dependencies = [
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||||
"aho-corasick",
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"memchr",
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||||
"regex-syntax",
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]
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[[package]]
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name = "regex-syntax"
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||||
source = "registry+https://github.com/rust-lang/crates.io-index"
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||||
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[[package]]
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name = "remove_dir_all"
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version = "0.5.3"
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@ -243,6 +351,20 @@ dependencies = [
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"winapi",
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]
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[[package]]
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name = "rustix"
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||||
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||||
source = "registry+https://github.com/rust-lang/crates.io-index"
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||||
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||||
dependencies = [
|
||||
"bitflags 1.3.2",
|
||||
"errno",
|
||||
"io-lifetimes",
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||||
"libc",
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"linux-raw-sys",
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"windows-sys 0.45.0",
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]
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[[package]]
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name = "ryu"
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version = "1.0.10"
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@ -338,6 +460,15 @@ dependencies = [
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"winapi",
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]
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[[package]]
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||||
name = "termcolor"
|
||||
version = "1.2.0"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "be55cf8942feac5c765c2c993422806843c9a9a45d4d5c407ad6dd2ea95eb9b6"
|
||||
dependencies = [
|
||||
"winapi-util",
|
||||
]
|
||||
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||||
[[package]]
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||||
name = "unicase"
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||||
version = "2.6.0"
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@ -400,3 +531,135 @@ name = "winapi-x86_64-pc-windows-gnu"
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version = "0.4.0"
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||||
source = "registry+https://github.com/rust-lang/crates.io-index"
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||||
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||||
|
||||
[[package]]
|
||||
name = "windows-sys"
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||||
version = "0.45.0"
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||||
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||||
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|
||||
dependencies = [
|
||||
"windows-targets 0.42.2",
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||||
]
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[[package]]
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name = "windows-sys"
|
||||
version = "0.48.0"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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||||
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|
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dependencies = [
|
||||
"windows-targets 0.48.0",
|
||||
]
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[[package]]
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||||
name = "windows-targets"
|
||||
version = "0.42.2"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
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|
||||
dependencies = [
|
||||
"windows_aarch64_gnullvm 0.42.2",
|
||||
"windows_aarch64_msvc 0.42.2",
|
||||
"windows_i686_gnu 0.42.2",
|
||||
"windows_i686_msvc 0.42.2",
|
||||
"windows_x86_64_gnu 0.42.2",
|
||||
"windows_x86_64_gnullvm 0.42.2",
|
||||
"windows_x86_64_msvc 0.42.2",
|
||||
]
|
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[[package]]
|
||||
name = "windows-targets"
|
||||
version = "0.48.0"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
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||||
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||||
dependencies = [
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||||
"windows_aarch64_gnullvm 0.48.0",
|
||||
"windows_aarch64_msvc 0.48.0",
|
||||
"windows_i686_gnu 0.48.0",
|
||||
"windows_i686_msvc 0.48.0",
|
||||
"windows_x86_64_gnu 0.48.0",
|
||||
"windows_x86_64_gnullvm 0.48.0",
|
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"windows_x86_64_msvc 0.48.0",
|
||||
]
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[[package]]
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name = "windows_aarch64_gnullvm"
|
||||
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|
||||
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||||
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|
||||
|
||||
[[package]]
|
||||
name = "windows_aarch64_gnullvm"
|
||||
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|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
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||||
checksum = "91ae572e1b79dba883e0d315474df7305d12f569b400fcf90581b06062f7e1bc"
|
||||
|
||||
[[package]]
|
||||
name = "windows_aarch64_msvc"
|
||||
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|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
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||||
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|
||||
|
||||
[[package]]
|
||||
name = "windows_aarch64_msvc"
|
||||
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|
||||
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||||
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|
||||
|
||||
[[package]]
|
||||
name = "windows_i686_gnu"
|
||||
version = "0.42.2"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
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||||
checksum = "c61d927d8da41da96a81f029489353e68739737d3beca43145c8afec9a31a84f"
|
||||
|
||||
[[package]]
|
||||
name = "windows_i686_gnu"
|
||||
version = "0.48.0"
|
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "622a1962a7db830d6fd0a69683c80a18fda201879f0f447f065a3b7467daa241"
|
||||
|
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[[package]]
|
||||
name = "windows_i686_msvc"
|
||||
version = "0.42.2"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
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checksum = "44d840b6ec649f480a41c8d80f9c65108b92d89345dd94027bfe06ac444d1060"
|
||||
|
||||
[[package]]
|
||||
name = "windows_i686_msvc"
|
||||
version = "0.48.0"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "4542c6e364ce21bf45d69fdd2a8e455fa38d316158cfd43b3ac1c5b1b19f8e00"
|
||||
|
||||
[[package]]
|
||||
name = "windows_x86_64_gnu"
|
||||
version = "0.42.2"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "8de912b8b8feb55c064867cf047dda097f92d51efad5b491dfb98f6bbb70cb36"
|
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|
||||
[[package]]
|
||||
name = "windows_x86_64_gnu"
|
||||
version = "0.48.0"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "ca2b8a661f7628cbd23440e50b05d705db3686f894fc9580820623656af974b1"
|
||||
|
||||
[[package]]
|
||||
name = "windows_x86_64_gnullvm"
|
||||
version = "0.42.2"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "26d41b46a36d453748aedef1486d5c7a85db22e56aff34643984ea85514e94a3"
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[[package]]
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||||
name = "windows_x86_64_gnullvm"
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||||
version = "0.48.0"
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||||
source = "registry+https://github.com/rust-lang/crates.io-index"
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||||
checksum = "7896dbc1f41e08872e9d5e8f8baa8fdd2677f29468c4e156210174edc7f7b953"
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||||
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||||
[[package]]
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||||
name = "windows_x86_64_msvc"
|
||||
version = "0.42.2"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "9aec5da331524158c6d1a4ac0ab1541149c0b9505fde06423b02f5ef0106b9f0"
|
||||
|
||||
[[package]]
|
||||
name = "windows_x86_64_msvc"
|
||||
version = "0.48.0"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "1a515f5799fe4961cb532f983ce2b23082366b898e52ffbce459c86f67c8378a"
|
||||
|
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@ -53,6 +53,7 @@ default-features = false
|
|||
skeptic = "0.13.7"
|
||||
|
||||
[dev-dependencies]
|
||||
env_logger = "0.10.0"
|
||||
skeptic = "0.13.7"
|
||||
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||||
[features]
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||||
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@ -27,7 +27,6 @@
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|||
|
||||
use crate::instruction::{self, AddressingMode, DecodedInstr, Instruction, OpInput};
|
||||
use crate::memory::Bus;
|
||||
|
||||
use crate::registers::{Registers, StackPointer, Status, StatusArgs};
|
||||
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||||
fn arr_to_addr(arr: &[u8]) -> u16 {
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||||
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@ -62,6 +61,8 @@ impl<M: Bus> CPU<M> {
|
|||
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||||
match instruction::OPCODES[x as usize] {
|
||||
Some((instr, am)) => {
|
||||
debug!("{instr:?}");
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||||
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||||
let extra_bytes = am.extra_bytes();
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||||
let num_bytes = extra_bytes + 1;
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@ -113,7 +113,7 @@ pub enum OpInput {
|
|||
UseAddress(u16),
|
||||
}
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||||
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||||
#[derive(Copy, Clone)]
|
||||
#[derive(Copy, Clone, Debug)]
|
||||
pub enum AddressingMode {
|
||||
Accumulator, // 1 LSR A work directly on accumulator
|
||||
Implied, // 1 BRK
|
||||
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|||
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@ -34,30 +34,37 @@
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|||
// end: Address,
|
||||
// }
|
||||
|
||||
const ADDR_LO_BARE: u16 = 0x0000;
|
||||
const ADDR_HI_BARE: u16 = 0xFFFF;
|
||||
// const ADDR_LO_BARE: u16 = 0x0000;
|
||||
// const ADDR_HI_BARE: u16 = 0xFFFF;
|
||||
|
||||
pub const MEMORY_ADDRESS_LO: u16 = ADDR_LO_BARE;
|
||||
pub const MEMORY_ADDRESS_HI: u16 = ADDR_HI_BARE;
|
||||
// pub const MEMORY_ADDRESS_LO: u16 = ADDR_LO_BARE;
|
||||
// pub const MEMORY_ADDRESS_HI: u16 = ADDR_HI_BARE;
|
||||
pub const STACK_ADDRESS_LO: u16 = 0x0100;
|
||||
pub const STACK_ADDRESS_HI: u16 = 0x01FF;
|
||||
pub const IRQ_INTERRUPT_VECTOR_LO: u16 = 0xFFFE;
|
||||
pub const IRQ_INTERRUPT_VECTOR_HI: u16 = 0xFFFF;
|
||||
|
||||
const MEMORY_SIZE: usize = (ADDR_HI_BARE - ADDR_LO_BARE) as usize + 1usize;
|
||||
// const MEMORY_SIZE: usize = (ADDR_HI_BARE - ADDR_LO_BARE) as usize + 1usize;
|
||||
|
||||
// FIXME: Should this use indirection for `bytes`?
|
||||
#[derive(Copy, Clone)]
|
||||
pub struct Memory {
|
||||
pub struct Memory<const MEMORY_SIZE: usize> {
|
||||
bytes: [u8; MEMORY_SIZE],
|
||||
}
|
||||
|
||||
impl Default for Memory {
|
||||
impl<const MEMORY_SIZE: usize> Default for Memory<MEMORY_SIZE> {
|
||||
fn default() -> Self {
|
||||
Self::new()
|
||||
}
|
||||
}
|
||||
|
||||
impl<const MEMORY_SIZE: usize> Memory<MEMORY_SIZE> {
|
||||
pub fn new() -> Memory<MEMORY_SIZE> {
|
||||
Memory {
|
||||
bytes: [0; MEMORY_SIZE],
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
pub trait Bus {
|
||||
fn get_byte(&mut self, address: u16) -> u8;
|
||||
fn set_byte(&mut self, address: u16, value: u8);
|
||||
|
|
@ -69,15 +76,7 @@ pub trait Bus {
|
|||
}
|
||||
}
|
||||
|
||||
impl Memory {
|
||||
pub fn new() -> Memory {
|
||||
Memory {
|
||||
bytes: [0; MEMORY_SIZE],
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
impl Bus for Memory {
|
||||
impl<const MEMORY_SIZE: usize> Bus for Memory<MEMORY_SIZE> {
|
||||
fn get_byte(&mut self, address: u16) -> u8 {
|
||||
self.bytes[address as usize]
|
||||
}
|
||||
|
|
|
|||
|
|
@ -1,45 +1,49 @@
|
|||
extern crate mos6502;
|
||||
|
||||
use env_logger::Env;
|
||||
|
||||
use std::fs::File;
|
||||
use std::io::Read;
|
||||
|
||||
use mos6502::address::Address;
|
||||
use mos6502::cpu::CPU;
|
||||
use mos6502::memory::Bus;
|
||||
use mos6502::memory::Memory;
|
||||
|
||||
const PC_START: u16 = 0x400;
|
||||
// const MAX_CYCLES: usize = 100000000;
|
||||
|
||||
#[test]
|
||||
fn functional_test() {
|
||||
env_logger::init_from_env(Env::default().default_filter_or("mos6502=debug"));
|
||||
|
||||
let mut f = File::open("test-roms/6502_functional_test.bin").unwrap();
|
||||
let mut rom = Vec::<u8>::new();
|
||||
f.read_to_end(&mut rom).unwrap();
|
||||
let mut cpu = CPU::new();
|
||||
let mut cpu = CPU::new(Memory::<66560>::new());
|
||||
|
||||
cpu.memory.set_bytes(Address(PC_START), &rom);
|
||||
cpu.memory.set_bytes(PC_START, &rom);
|
||||
|
||||
cpu.run();
|
||||
// cpu.run();
|
||||
|
||||
/*
|
||||
let mut last_pc = PC_START;
|
||||
|
||||
loop {
|
||||
cpu.step();
|
||||
// Prevent endless loop
|
||||
if cpu.interconnect.elapsed_cycles() > MAX_CYCLES {
|
||||
assert!(false, "Took too many cycles to complete");
|
||||
let mut last_pc = PC_START;
|
||||
|
||||
loop {
|
||||
cpu.single_step();
|
||||
// Prevent endless loop
|
||||
// TODO: We could add cycle count to the CPU struct to check that
|
||||
// if cpu.interconnect.elapsed_cycles() > MAX_CYCLES {
|
||||
// assert!(false, "Took too many cycles to complete");
|
||||
// }
|
||||
|
||||
if last_pc == cpu.registers.program_counter {
|
||||
if cpu.registers.program_counter == 0x3367 {
|
||||
// Success!
|
||||
break;
|
||||
} else {
|
||||
// assert!(false, "Trap detected");
|
||||
}
|
||||
|
||||
if last_pc == cpu.registers.pc {
|
||||
if cpu.registers.pc == 0x3367 {
|
||||
// Success!
|
||||
break;
|
||||
} else {
|
||||
assert!(false, "Trap detected");
|
||||
}
|
||||
}
|
||||
|
||||
last_pc = cpu.registers.pc;
|
||||
}
|
||||
*/
|
||||
|
||||
last_pc = cpu.registers.program_counter;
|
||||
}
|
||||
}
|
||||
|
|
|
|||
Loading…
Reference in New Issue