From 7543c401a8d465e604c250bf6533814a24121c59 Mon Sep 17 00:00:00 2001
From: Matthew Berry <me@mattrb.com>
Date: Fri, 2 Sep 2022 17:32:23 -0700
Subject: [PATCH] remove console debugger

---
 src/crab/gba/debugger.cr | 105 ---------------------------------------
 src/crab/gba/gba.cr      |   3 --
 2 files changed, 108 deletions(-)
 delete mode 100644 src/crab/gba/debugger.cr

diff --git a/src/crab/gba/debugger.cr b/src/crab/gba/debugger.cr
deleted file mode 100644
index 8f0de89..0000000
--- a/src/crab/gba/debugger.cr
+++ /dev/null
@@ -1,105 +0,0 @@
-module GBA
-  class Debugger
-    getter breakpoints = [] of Word
-
-    def initialize(@gba : GBA)
-    end
-
-    def break_on(addr : Word)
-      {% if flag? :debugger %} breakpoints << addr {% end %}
-    end
-
-    def check_debug : Nil
-      {% if flag? :debugger %} debug if breakpoints.includes? @gba.cpu.r[15] {% end %}
-    end
-
-    private def debug : Nil
-      puts "#{"----- DEBUGGER -----".colorize.mode(:bold)} #{"`help` for list of commands".colorize.mode(:dim)}"
-      @gba.cpu.print_state
-      while true
-        input = gets
-        case input
-        when .nil?, "exit", "continue" then break
-        when "step", "next", "tick"
-          @gba.cpu.tick
-          @gba.cpu.print_state
-        when "bios"  then less @gba.bus.bios.hexdump
-        when "ewram" then less @gba.bus.wram_board.hexdump
-        when "iwram" then less @gba.bus.wram_chip.hexdump
-        when "pram"  then less @gba.ppu.pram.hexdump
-        when "vram"  then less @gba.ppu.vram.hexdump
-        when "oam"   then less @gba.ppu.oam.hexdump
-        when "rom"   then less @gba.cartridge.rom.hexdump
-        when "sram"  then less @gba.cartridge.sram.hexdump
-        when "list"  then print_breakpoints
-        when /(b|break) (0x\d+)/
-          match = /(b|break) (0x\d+)/.match(input.not_nil!).not_nil!
-          breakpoints << match[2].to_i(base: 16, prefix: true).to_u32!
-          print_breakpoints
-        when "clear"
-          breakpoints.clear
-          print_breakpoints
-        when /clear (0x\d+)/
-          match = /clear (0x\d+)/.match(input.not_nil!).not_nil!
-          breakpoints.delete(match[1].to_i(base: 16, prefix: true))
-          print_breakpoints
-        when /\[(0x\d+)\]$/, /\[(0x\d+)\], word/
-          match = /\[(0x\d+)\]/.match(input.not_nil!).not_nil!
-          puts hex_str @gba.bus.read_word(match[1].to_i(base: 16, prefix: true))
-        when /\[(0x\d+)\], half/
-          match = /\[(0x\d+)\]/.match(input.not_nil!).not_nil!
-          puts hex_str @gba.bus.read_half(match[1].to_i(base: 16, prefix: true))
-        when /\[(0x\d+)\], byte/
-          match = /\[(0x\d+)\]/.match(input.not_nil!).not_nil!
-          puts hex_str @gba.bus[match[1].to_i(base: 16, prefix: true)]
-        else
-          puts "Available commands:"
-          puts "  Resume execution:"
-          puts "    ^D"
-          puts "    exit"
-          puts "    continue"
-          puts "  Stepping:"
-          puts "    step"
-          puts "    next"
-          puts "    tick"
-          puts "  Listing breakpoints:"
-          puts "    list"
-          puts "  Adding breakpoints:"
-          puts "    b 0x08000000"
-          puts "    break 0x08000000"
-          puts "  Removing breakpoints:"
-          puts "    clear"
-          puts "    clear 0x1234"
-          puts "  Memory regions:"
-          puts "    bios"
-          puts "    ewram"
-          puts "    iwram"
-          puts "    pram"
-          puts "    vram"
-          puts "    oam"
-          puts "    rom"
-          puts "    sram"
-          puts "  Reading memory:"
-          puts "    [0x1234]"
-          puts "    [0x1234], word"
-          puts "    [0x1234], half"
-          puts "    [0x1234], byte"
-        end
-        puts
-      end
-    end
-
-    private def less(string : String) : Nil
-      file = File.new("/tmp/crab", "w")
-      file.puts string
-      system "less /tmp/crab"
-      file.delete
-    end
-
-    private def print_breakpoints : Nil
-      print "Breakpoints: "
-      breakpoints.sort.each { |b| print "#{hex_str b}, " }
-      puts
-    end
-  end
-end
diff --git a/src/crab/gba/gba.cr b/src/crab/gba/gba.cr
index 4205605..f80fb23 100644
--- a/src/crab/gba/gba.cr
+++ b/src/crab/gba/gba.cr
@@ -12,7 +12,6 @@ require "./cpu"
 require "./ppu"
 require "./apu"
 require "./dma"
-require "./debugger"
 
 module GBA
   class GBA < Emu
@@ -28,7 +27,6 @@ module GBA
     getter! ppu : PPU
     getter! apu : APU
     getter! dma : DMA
-    getter! debugger : Debugger
 
     def initialize(@bios_path : String, @rom_path : String, @run_bios : Bool)
       @scheduler = Scheduler.new
@@ -46,7 +44,6 @@ module GBA
       @ppu = PPU.new self
       @apu = APU.new self
       @dma = DMA.new self
-      @debugger = Debugger.new self
 
       handle_saves
       cpu.skip_bios unless @run_bios