8086_assembly_01/.gitignore

@@ -1,3 +0,0 @@
-dasm
-listing_0037_single_register_mov
-listing_0038_many_register_mov

8086_assembly_01/Makefile

@@ -1,2 +0,0 @@
-all:
-	clang++ -g dasm.cpp -o dasm

8086_assembly_01/dasm.cpp

@@ -1,159 +0,0 @@
-#include <bits/types/FILE.h>
-#include <cstdint>
-#include <stdint.h>
-#include <stdio.h>
-#include <string.h>
-
-// Bit patterns for the 8086 OPCODES
-enum class OPCODES {
-  MOV = 0x88,
-};
-
-enum class OPMASKS {
-  MOV = 0xfc,
-};
-
-enum class FLAGS {
-  WORD = 0x01,
-  REG_DEST = 0x02,
-};
-
-enum class MODE {
-  MEM = 0x00,
-  MEM8 = 0x40,
-  MEM16 = 0x80,
-  REG = 0xc0,
-};
-
-uint16_t decode_mode(uint16_t instruction);
-void decode_register(uint16_t instruction, bool word, char *dest);
-
-int main(int argc, char *argv[]) {
-  if (argc < 2) {
-    printf("Please provide a file to disassemble\n");
-    return 1;
-  }
-
-  const char *filename = argv[1];
-
-  FILE *fp = fopen(filename, "rb");
-
-  if (fp) {
-    uint16_t inst = 0;
-    const char *op = "";
-
-    char out_filename[4096] = {0};
-    sprintf(out_filename, "%s_out.asm", filename);
-
-    FILE *out = fopen(out_filename, "w");
-
-    if (out) {
-      fprintf(out, "; Disassembled by DASM\n\nbits 16\n\n");
-
-      while (fread(&inst, sizeof(inst), 1, fp)) {
-        if ((inst & (uint16_t)OPMASKS::MOV) == (uint16_t)OPCODES::MOV) {
-          op = "mov";
-
-          bool reg_dest =
-              (inst & (uint16_t)FLAGS::REG_DEST) == (uint16_t)FLAGS::REG_DEST;
-          bool word = (inst & (uint16_t)FLAGS::WORD) == (uint16_t)FLAGS::WORD;
-
-          // NOTE: Using right shift will only work on little-endian CPUs
-          uint16_t operands_info = inst >> 8;
-
-          if (decode_mode(operands_info) == (uint16_t)MODE::REG) {
-            char rm[3] = {0};
-            char reg[3] = {0};
-
-            decode_register(operands_info, word, rm);
-            decode_register(operands_info >> 3, word, reg);
-
-            fprintf(out, "%s %s, %s\n", op, reg_dest ? reg : rm,
-                    reg_dest ? rm : reg);
-          }
-        } else {
-          printf("It's not a mov operation\n");
-        }
-      }
-
-      fclose(out);
-    } else {
-      printf("Failed to open output file\n");
-    }
-
-    fclose(fp);
-  } else {
-    printf("Failed to open the selected file\n");
-  }
-
-  return 0;
-}
-
-uint16_t decode_mode(uint16_t instruction) {
-  uint16_t mode_mask = 0xc0;
-
-  return instruction & mode_mask;
-}
-
-void decode_register(uint16_t instruction, bool word, char *dest) {
-  uint16_t reg_mask = 0x07;
-
-  switch (instruction & reg_mask) {
-  case 0x00:
-    if (word) {
-      strcpy(dest, "ax");
-    } else {
-      strcpy(dest, "al");
-    }
-    break;
-  case 0x01:
-    if (word) {
-      strcpy(dest, "cx");
-    } else {
-      strcpy(dest, "cl");
-    }
-    break;
-  case 0x02:
-    if (word) {
-      strcpy(dest, "dx");
-    } else {
-      strcpy(dest, "dl");
-    }
-    break;
-  case 0x03:
-    if (word) {
-      strcpy(dest, "bx");
-    } else {
-      strcpy(dest, "bl");
-    }
-    break;
-  case 0x04:
-    if (word) {
-      strcpy(dest, "sp");
-    } else {
-      strcpy(dest, "ah");
-    }
-    break;
-  case 0x05:
-    if (word) {
-      strcpy(dest, "bp");
-    } else {
-      strcpy(dest, "ch");
-    }
-    break;
-  case 0x06:
-    if (word) {
-      strcpy(dest, "si");
-    } else {
-      strcpy(dest, "dh");
-    }
-    break;
-  case 0x07:
-    if (word) {
-      strcpy(dest, "di");
-    } else {
-      strcpy(dest, "bh");
-    }
-    break;
-  }
-}

8086_assembly_01/listing_0037_single_register_mov.asm

@@ -1,19 +0,0 @@
-; ========================================================================
-;
-; (C) Copyright 2023 by Molly Rocket, Inc., All Rights Reserved.
-;
-; This software is provided 'as-is', without any express or implied
-; warranty. In no event will the authors be held liable for any damages
-; arising from the use of this software.
-;
-; Please see https://computerenhance.com for further information
-;
-; ======================================================================== */
-
-; ========================================================================
-; LISTING 37
-; ========================================================================
-
-bits 16
-
-mov cx, bx

8086_assembly_01/listing_0037_single_register_mov_out.asm

@@ -1,5 +0,0 @@
-; Disassembled by DASM
-
-bits 16
-
-mov cx, bx

8086_assembly_01/listing_0038_many_register_mov.asm

@@ -1,29 +0,0 @@
-; ========================================================================
-;
-; (C) Copyright 2023 by Molly Rocket, Inc., All Rights Reserved.
-;
-; This software is provided 'as-is', without any express or implied
-; warranty. In no event will the authors be held liable for any damages
-; arising from the use of this software.
-;
-; Please see https://computerenhance.com for further information
-;
-; ======================================================================== */
-
-; ========================================================================
-; LISTING 38
-; ========================================================================
-
-bits 16
-
-mov cx, bx
-mov ch, ah
-mov dx, bx
-mov si, bx
-mov bx, di
-mov al, cl
-mov ch, ch
-mov bx, ax
-mov bx, si
-mov sp, di
-mov bp, ax

8086_assembly_01/listing_0038_many_register_mov_out.asm

@@ -1,15 +0,0 @@
-; Disassembled by DASM
-
-bits 16
-
-mov cx, bx
-mov ch, ah
-mov dx, bx
-mov si, bx
-mov bx, di
-mov al, cl
-mov ch, ch
-mov bx, ax
-mov bx, si
-mov sp, di
-mov bp, ax

Makefile

@@ -0,0 +1,20 @@
+mk_haversine_fscanf:
+	clang++ -g haversine/cpp/fscanf.cpp haversine/cpp/haversine.cpp -o haversine/cpp/haverscan
+
+run_haversine_fscanf:
+	cd ./haversine/cpp && ./haverscan
+
+mk_haversine_strtok:
+	clang++ -g haversine/cpp/strtok.cpp haversine/cpp/haversine.cpp -o haversine/cpp/haverstrtok
+
+run_haversine_strtok:
+	cd ./haversine/cpp && ./haverstrtok
+
+mk_test:
+	clang++ -g -lpthread haversine/cpp/test.cpp haversine/cpp/haversine.cpp -o haversine/cpp/test
+
+run_test:
+	cd ./haversine/cpp && ./test
+
+run_haversine_python_json:
+	python ./haversine/python/haversine_json.py

haversine/Makefile

@@ -1,20 +0,0 @@
-mk_haversine_fscanf:
-	clang++ -g cpp/fscanf.cpp cpp/haversine.cpp -o cpp/haverscan
-
-run_haversine_fscanf:
-	cd ./cpp && ./haverscan
-
-mk_haversine_strtok:
-	clang++ -g cpp/strtok.cpp cpp/haversine.cpp -o cpp/haverstrtok
-
-run_haversine_strtok:
-	cd ./cpp && ./haverstrtok
-
-mk_test:
-	clang++ -g -lpthread cpp/test.cpp cpp/haversine.cpp -o cpp/test
-
-run_test:
-	cd ./cpp && ./test
-
-run_haversine_python_json:
-	python ./python/haversine_json.py