1. $ mkdir build && cd build/
2. $ cmake ../
3. $ make
4. Run
$ ./src/chip8 <path-to-ibm_logo.ch8>
┌──────────────────────────────────────────────────────────────┐ ┌──────────────────────────────────────────────────────────────┐
│ │ │[30]-- draw sprite(33, 8) │
│ │ │[31]instr_offset=0x21c, opc=0x7008, inst_type=0x7 │
│ │ │[32]-- add 8 to Vx[0]=33 │
│ │ │[33]instr_offset=0x21e, opc=0xa266, inst_type=0xa │
│ │ │[34]-- set I to NNN, i_reg=0x266 │
│ │ │[35]instr_offset=0x220, opc=0xd01f, inst_type=0xd │
│ │ │[36]-- draw sprite(41, 8) │
│ ######## ######### ##### ##### │ │[37]instr_offset=0x222, opc=0x7008, inst_type=0x7 │
│ │ │[38]-- add 8 to Vx[0]=41 │
│ ######## ########### ###### ###### │ │[39]instr_offset=0x224, opc=0xa275, inst_type=0xa │
│ │ │[40]-- set I to NNN, i_reg=0x275 │
│ #### ### ### ##### ##### │ │[41]instr_offset=0x226, opc=0xd01f, inst_type=0xd │
│ │ │[42]-- draw sprite(49, 8) │
│ #### ####### ####### ####### │ │[43]instr_offset=0x228, opc=0x1228, inst_type=0x1 │
│ │ │[44]-- jump to 0x228 │
│ #### ####### ### ####### ### │ │ │
│ │ │ │
│ #### ### ### ### ##### ### │ │ │
│ │ │ │
│ ######## ########### ##### ### ##### │ │ │
│ │ │ │
│ ######## ######### ##### # ##### │ │ │
│ │ │ │
│ │ │ │
│ │ │ │
│ │ │ │
│ │ │ │
│ │ │ │
│ │ │ │
│ │ │ │
└──────────────────────────────────────────────────────────────┘ └──────────────────────────────────────────────────────────────┘
5. Run tests (using gtest)
$ ./test/chip8t
[==========] Running 18 tests from 1 test suite.
[----------] Global test environment set-up.
[----------] 18 tests from chip8Test
[ RUN ] chip8Test.readRomInvalidPath
[ OK ] chip8Test.readRomInvalidPath (4 ms)
[ RUN ] chip8Test.readRomValidPath
[ OK ] chip8Test.readRomValidPath (6 ms)
[ RUN ] chip8Test.readRomValidPathOpCode0x
[ OK ] chip8Test.readRomValidPathOpCode0x (326 ms)
[ RUN ] chip8Test.readRomValidPathOpCode1x
[ OK ] chip8Test.readRomInvalidPath (6 ms)
[ RUN ] chip8Test.readRomValidPath
[ OK ] chip8Test.readRomValidPath (5 ms)
[ RUN ] chip8Test.readRomValidPathOpCode0x
[ OK ] chip8Test.readRomValidPathOpCode0x (335 ms)
[ RUN ] chip8Test.readRomValidPathOpCode1x
[ OK ] chip8Test.readRomValidPathOpCode1x (216 ms)
[ RUN ] chip8Test.readRomValidPathOpCode2x
[ OK ] chip8Test.readRomValidPathOpCode2x (109 ms)
[ RUN ] chip8Test.readRomValidPathOpCode3x
[ OK ] chip8Test.readRomValidPathOpCode3x (108 ms)
[ RUN ] chip8Test.readRomValidPathOpCode4x
[ OK ] chip8Test.readRomValidPathOpCode4x (109 ms)
[ RUN ] chip8Test.readRomValidPathOpCode5x
[ OK ] chip8Test.readRomValidPathOpCode5x (111 ms)
[ RUN ] chip8Test.readRomValidPathOpCode6x
[ OK ] chip8Test.readRomValidPathOpCode6x (112 ms)
[ RUN ] chip8Test.readRomValidPathOpCode7x
[ OK ] chip8Test.readRomValidPathOpCode7x (109 ms)
[ RUN ] chip8Test.readRomValidPathOpCode8x
[ OK ] chip8Test.readRomValidPathOpCode8x (984 ms)
[ RUN ] chip8Test.readRomValidPathOpCode9x
[ OK ] chip8Test.readRomValidPathOpCode9x (114 ms)
[ RUN ] chip8Test.readRomValidPathOpCodeAx
[ OK ] chip8Test.readRomValidPathOpCodeAx (115 ms)
[ RUN ] chip8Test.readRomValidPathOpCodeBxFail
[ OK ] chip8Test.readRomValidPathOpCodeBxFail (310 ms)
[ RUN ] chip8Test.readRomValidPathOpCodeCxFail
[ OK ] chip8Test.readRomValidPathOpCodeCxFail (226 ms)
[ RUN ] chip8Test.readRomValidPathOpCodeDx
[ OK ] chip8Test.readRomValidPathOpCodeDx (113 ms)
[ RUN ] chip8Test.readRomValidPathOpCodeExFail
[ OK ] chip8Test.readRomValidPathOpCodeExFail (456 ms)
[ RUN ] chip8Test.readRomValidPathOpCodeFxFail
[ OK ] chip8Test.readRomValidPathOpCodeFxFail (2047 ms)
[----------] 18 tests from chip8Test (5588 ms total)
[----------] Global test environment tear-down
[==========] 18 tests from 1 test suite ran. (5588 ms total)
[ PASSED ] 18 tests.
To run regex matching tests:
./test/chip8t --gtest_filter=*1x
6. run clang tidy on a file
$ clang-tidy-9 ../chip8.cc -checks='*'
. . .
Suppressed 18577 warnings (18577 in non-user code).
Use -header-filter=.* to display errors from all non-system headers. Use -system-headers to display errors from system headers as well.
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Chip8 emulator written in modern c++ with cmake and gtest
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