110 lines
3.1 KiB
Plaintext
110 lines
3.1 KiB
Plaintext
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(local command (require "core.command"))
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(local spawn (require "spawn"))
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(local socket (require "socket"))
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(local json (require "dkjson"))
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(local gsplus-path "/home/jeremy/src/gsplus/result/bin/GSplus")
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(local debug-port 8769)
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(local reg-write-format {
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:ip "k%06X "
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:a "a%04X "
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:x "x%04X "
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:y "y%04X "
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:s "s%04X "
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:d "d%04X "
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:b "b%02X "
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:psr "p%06X "
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})
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(local machine
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{:boot
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(fn [self]
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(when (not self.pid)
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(set self.pid (spawn [:nixGL gsplus-path :-debugport (tostring debug-port)]))))
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:die
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(fn [self]
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(when self.pid
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(spawn [:kill (tostring self.pid)])
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(set self.pid nil)
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(when self.socket
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(self.socket:close)
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(set self.socket nil))))
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:connect
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(fn [self]
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(when (not self.socket)
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(set self.socket (socket.connect :localhost debug-port))
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(if self.socket
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(self.socket:settimeout 1)
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(love.timer.sleep 0.25))))
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:disconnect
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(fn [self]
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(when self.socket
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(self.socket:close)
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(set self.socket nil)))
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:cmd (fn [self cmd] (self.socket:send (.. cmd "\n")))
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:response
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(fn [self]
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(var bytes "")
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(var done false)
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(while (not done)
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(local (line err) (self.socket:receive))
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(set done (or (= line "") (= line nil)))
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(when line (set bytes (.. bytes line))))
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(json.decode bytes))
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:cmd-response (fn [self cmd] (self:cmd cmd) (self:response))
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:hello (fn [self] (self:cmd-response "1"))
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:continue (fn [self] (self:cmd-response "3"))
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:step (fn [self] (self:cmd-response "2"))
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:getreg (fn [self] (self:cmd-response "4"))
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:set-bp (fn [self addr] (self:cmd-response (.. "8" (string.format "%06X" addr))))
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:delete-bp (fn [self addr] (self:cmd-response (.. "9" (string.format "%06X" addr))))
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:get-bp (fn [self] (self:cmd-response "A"))
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:write
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(fn [self addr bytes]
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(self:cmd-response (.. "7" (string.format "%06X" addr) (bytes:tohex))))
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:setreg
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(fn [self regvals]
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(var bytes "5")
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(each [reg val (pairs regvals)]
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(set bytes (.. bytes (string.format (. reg-write-format reg) val))))
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(self:cmd-response bytes))
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:stop-at
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(fn [self addr k]
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(local fulladdr (bit.bor addr (bit.lshift (or k 0) 16)))
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(self:set-bp fulladdr)
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(var retries 5)
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(while (> retries 0)
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(local reg (. (self:getreg) 1 :data))
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(pp reg.PC.fromhex)
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(local pc (reg.PC:fromhex))
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(pp)
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(local curr-k (reg.K:fromhex))
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(print (curr-k:tohex) (pc:tohex))
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(if (and (= pc addr) (= curr-k (or k 0)))
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(set retries 0)
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(do (love.timer.sleep 1) (set retries (- retries 1)))))
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(self:delete-bp fulladdr))
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})
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(command.add #(not machine.pid) {
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"gsplus:launch-gsplus" #(machine:boot)
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"gsplus:boot" (fn []
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(machine:boot)
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(while (not machine.socket) (pp (machine:connect)))
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(machine:hello)
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)
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})
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(command.add (fn [] machine.socket) {
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"gsplus:disconnect" #(machine:disconnect)
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"gsplus:hello" #(machine:hello)
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"gsplus:dump-cpu-state" #(pp (machine:getreg))
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"gsplus:step" #(pp (machine:step))
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"gsplus:continue" #(pp (machine:continue))
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})
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(command.add #(not machine.socket) {
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"gsplus:connect" #(machine:connect)
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})
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machine
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