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• 696589b7b6 Introduced opcodes for NOT, OR, AND, XOR and EQ Aryadev Chavali 2023-10-21 23:42:07 +01:00
• f9b2c8ed77 Cleaned up and used macro magic to shorten the INST_* macros Aryadev Chavali 2023-10-21 23:40:03 +01:00
• d2cdb211b2 Added vm_execute_all which executes an entire program Aryadev Chavali 2023-10-21 23:31:48 +01:00
• 1c2de9a926 Wrote a quick tutorial on targeting the virtual machine Aryadev Chavali 2023-10-21 23:27:33 +01:00
• f3a5981fa2 Wrote generalised procedures for interpret and assembly Aryadev Chavali 2023-10-21 23:24:41 +01:00
• 44a9a3ca46 Helper functions for read/write instructions from darr or FILE* Aryadev Chavali 2023-10-21 23:23:37 +01:00
• 903ae3ab04 Helper darr functions to read/write bytes from FILE * Aryadev Chavali 2023-10-21 23:23:13 +01:00
• dcedb70a5c Switched from floats to halfword Aryadev Chavali 2023-10-21 22:57:43 +01:00
• 266b4e4572 Implemented vm_print_* routines Aryadev Chavali 2023-10-16 12:45:50 +01:00
• 44f8c81efe Added opcode_as_cstr, opcode_type_as_cstr and inst_print Aryadev Chavali 2023-10-16 12:45:04 +01:00
• d01b39d1bb Added helper functions to read and write bytes from files Aryadev Chavali 2023-10-16 12:03:42 +01:00
• e7616cdeb6 Made a sample program, loaded into VM and executed Aryadev Chavali 2023-10-16 11:32:20 +01:00
• 7380dd375a Fixed bug with get_opcode_data_type Aryadev Chavali 2023-10-16 11:25:52 +01:00
• 845d864bc0 Set opcode after reading parameters in inst_read_byte Aryadev Chavali 2023-10-16 11:04:43 +01:00
• 4d9b8a04f2 Fixed error with OP_PUSH where bits weren't in the pattern of data_type_t Aryadev Chavali 2023-10-16 01:19:08 +01:00
• a4c9b85c79 MOV and PUSH_*_REGISTER should only need bytes for their operand Aryadev Chavali 2023-10-16 01:18:34 +01:00
• 6038363d2f Added functionality to read and write instruction bytecode Aryadev Chavali 2023-10-16 01:06:49 +01:00
• a24a096e2a Made OP_HALT the only instruction to have the top byte filled Aryadev Chavali 2023-10-16 01:06:02 +01:00
• 0f37a59940 MOV now uses the stack, removed register member in inst_t Aryadev Chavali 2023-10-16 00:59:30 +01:00
• cd19f1e1d3 Better checking of opcode types Aryadev Chavali 2023-10-15 22:16:31 +01:00
• 1cb54dc994 Remove parameter for INST_*POP Aryadev Chavali 2023-10-15 22:06:30 +01:00
• 15ce778771 Set register parameter for inst_t to be a byte Aryadev Chavali 2023-10-15 22:05:59 +01:00
• c24c1d1607 Implemented a dynamically sized byte array Aryadev Chavali 2023-10-15 21:49:30 +01:00
• 98760ee63b Added macros for getting the maximum and minimum of two numbers Aryadev Chavali 2023-10-15 21:49:13 +01:00
• 639808a092 Moved vm_* code to its own file (runtime.(h|c)) Aryadev Chavali 2023-10-15 21:41:16 +01:00
• 14e9192996 Implemented OP_PUSH_*_REGISTER in vm_execute Aryadev Chavali 2023-10-15 21:29:26 +01:00
• f73604ba6e Make error TODOs specific to routine (for vm_mov_*) Aryadev Chavali 2023-10-15 21:27:45 +01:00
• f513e90f00 Implemented vm_push_*_register routines Aryadev Chavali 2023-10-15 21:27:26 +01:00
• 744cc7acf7 Renamed opcodes PUSH_*REG to PUSH_*_REGISTER Aryadev Chavali 2023-10-15 21:27:00 +01:00
• 4ae762294d Rearranged opcodes (switched mov with push_reg) Aryadev Chavali 2023-10-15 21:21:27 +01:00
• 54760d446c Added instructions to push register values onto the stack Aryadev Chavali 2023-10-15 21:19:49 +01:00
• f0e48a186d Added a register ret, a word, which holds the result of any instruction Aryadev Chavali 2023-10-15 21:14:56 +01:00
• 2490966554 Implemented vm_execute for pop routines Aryadev Chavali 2023-10-15 21:13:15 +01:00
• 6927557d3f Made vm_pop_* routines more uniform by returning a data_t Aryadev Chavali 2023-10-15 21:12:53 +01:00
• 00517fddd6 Added instructions for popping differing types Aryadev Chavali 2023-10-15 21:09:00 +01:00
• 2bc20f07d3 Added vm_execute support for mov routines Aryadev Chavali 2023-10-15 21:05:56 +01:00
• 3f8544485a Move push routines outside of vm_execute Aryadev Chavali 2023-10-15 21:04:44 +01:00
• 56c545e7c9 Added opcodes for MOV and ability for instructions to hold registers Aryadev Chavali 2023-10-15 21:02:40 +01:00
• 33aa62634a Added registers to virtual machine Aryadev Chavali 2023-10-15 21:00:01 +01:00
• 7a820290f9 Make push opcodes a specific bit set and add a NOOP opcode Aryadev Chavali 2023-10-15 20:56:02 +01:00
• 40dfa5c255 Split off instruction structure to its own file Aryadev Chavali 2023-10-15 17:38:35 +01:00
• ea14b3beb6 Added an instruction setup Aryadev Chavali 2023-10-15 05:52:58 +01:00
• 3786b7d785 stack.size -> stack.max Aryadev Chavali 2023-10-15 05:43:57 +01:00
• 4ddc3cce71 Main now loads a stack allocated byte array for VM stack Aryadev Chavali 2023-10-15 05:41:20 +01:00
• bee6d445bb Added a routine to load a pointer as stack memory Aryadev Chavali 2023-10-15 05:40:53 +01:00
• 2de37b20e2 Changed stack data to be a pointer Aryadev Chavali 2023-10-15 05:39:19 +01:00
• a8747faa08 Split off general types and structures into separate header Aryadev Chavali 2023-10-15 05:36:01 +01:00
• da1c4aad35 Changed stack.pointer->stack.ptr Aryadev Chavali 2023-10-15 05:33:42 +01:00
• 268fdf0ca0 Added floats (64 bit floating point) push and pop routines Aryadev Chavali 2023-10-15 05:23:38 +01:00
• 724f5e0258 Force big endian when pushing words Aryadev Chavali 2023-10-15 05:17:33 +01:00
• 54b836ba64 Add macro for size of a word Aryadev Chavali 2023-10-15 05:03:09 +01:00
• cfc9edebba Added macro constructors for union types Aryadev Chavali 2023-10-15 04:57:38 +01:00
• 1180833161 Implemented functions to pop a byte and a word Aryadev Chavali 2023-10-15 04:40:14 +01:00
• d52d7ad413 Implemented a union type to make vm_push_* routines uniform Aryadev Chavali 2023-10-15 04:36:47 +01:00
• 49a85a20d8 Added functions to push a byte and a word Aryadev Chavali 2023-10-15 04:35:07 +01:00
• 1101716f0f Defined a simple virtual machine data structure Aryadev Chavali 2023-10-15 01:35:05 +01:00
• ca2e9c7083 Added some type aliases Aryadev Chavali 2023-10-15 01:34:42 +01:00
• 7cf9160e3f Added a README Aryadev Chavali 2023-10-15 01:30:00 +01:00
• b6672121a1 Remove unit tests from github workflow Aryadev Chavali 2023-10-15 01:27:46 +01:00
• 16e2275576 First commit! Aryadev Chavali 2023-10-15 01:25:24 +01:00