Makefile

@@ -12,27 +12,23 @@ obj_dir = $(build_dir)/obj
 
 sources := $(shell find src/ -name *.cpp -and -not -name *main.cpp)
 
-vm_bin = $(build_dir)/vm
+vc5_sources := $(sources) src/main.cpp
-vm_sources := $(sources) src/vm_main.cpp
-
-asm_bin = $(build_dir)/asm
 asm_sources := $(sources) src/asm_main.cpp
 
-all: $(vm_bin) $(asm_bin) $(build_dir)/boot.bin
+all: $(build_dir)/vc5 $(build_dir)/asm
 
-$(vm_bin): $(vm_sources:%.cpp=$(obj_dir)/%.o)
+$(build_dir)/vc5: $(vc5_sources:%.cpp=$(obj_dir)/%.o)
+	@mkdir -p $(dir $@)
 	g++ $^ -o $@ $(CXXFLAGS) $(LDFLAGS)
 
-$(asm_bin): $(asm_sources:%.cpp=$(obj_dir)/%.o)
+$(build_dir)/asm: $(asm_sources:%.cpp=$(obj_dir)/%.o)
+	@mkdir -p $(dir $@)
 	g++ $^ -o $@ $(CXXFLAGS) $(LDFLAGS)
 
 $(obj_dir)/%.o: %.cpp
 	@mkdir -p $(dir $@)
 	g++ $< -c -o $@ -MMD -MP $(CXXFLAGS)
 
-$(build_dir)/boot.bin: programs/boot.vc5asm $(asm_bin)
-	./$(asm_bin) $< -o $@
-
 .PHONY: clean
 clean:
 	rm -rf $(build_dir)

programs/boot.vc5asm

@@ -5,6 +5,7 @@ const KBD_CODE 0x1ffe
 const VCD 0x2000
 
 const FL_EQ 0x2
+const FL_EQ 0x4
 
 const KBD_FLAG_IS_RELEASE 0x1
 

src/main.cpp

@@ -10,6 +10,7 @@
 using namespace std::chrono_literals;
 
 using namespace vc5;
+using namespace vc5::regs;
 
 static void make_program(uint8_t* data);
 
@@ -24,7 +25,7 @@ int main(int argc, char** argv)
         make_program(disk.data());
 
         std::println("memory disk");
-        for (size_t i = 0; i < 128; i += 4) {
+        for (size_t i = 0; i < 64; i += 4) {
             std::println("{:02x} {:02x} {:02x} {:02x}",
                 disk.data()[i],
                 disk.data()[i + 1],
@@ -47,7 +48,7 @@ int main(int argc, char** argv)
         memory_disk.read(memory_block.data(), 0);
 
         std::println("file disk");
-        for (size_t i = 0; i < 128; i += 4) {
+        for (size_t i = 0; i < 64; i += 4) {
             std::println("{:02x} {:02x} {:02x} {:02x}",
                 file_block[i],
                 file_block[i + 1],
@@ -62,8 +63,6 @@ int main(int argc, char** argv)
 
 void make_program(uint8_t* data)
 {
-    using namespace vc5::regs;
-
     auto l = tools::Builder(data);
 
     l.mov_imm(rsp, 0x1000);