66 lines
1.8 KiB
C
66 lines
1.8 KiB
C
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#ifndef VBUAPI
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#define VBUAPI
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#endif
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#include <stdio.h>
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#include <string.h>
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#include <vbu.h>
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/* Memory management */
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#ifndef VBU_REALLOC
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#include <stdlib.h>
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#define VBU_REALLOC realloc
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#else
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extern void* VBU_REALLOC(void *, size_t);
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#endif
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/***************************** Library Functions *****************************/
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/* Sign-extend an integer of variable width */
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static int32_t SignExtend(int32_t value, int32_t bits) {
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#ifndef VB_SIGNED_PROPAGATE
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value &= ~((uint32_t) 0xFFFFFFFF << bits);
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bits = (int32_t) 1 << (bits - (int32_t) 1);
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return (value ^ bits) - bits;
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#else
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return value << (32 - bits) >> (32 - bits);
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#endif
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}
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/******************************** Sub-Modules ********************************/
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#include "disassembler.c"
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/******************************* API Commands ********************************/
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/* Initialize disassembler options with default settings */
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VBUAPI VBU_DasmConfig* vbuDasmInit(VBU_DasmConfig *config) {
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config->bcondNotation = VBU_JOINED;
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config->conditionCase = VBU_LOWER;
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config->conditionCL = VBU_L;
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config->conditionEZ = VBU_Z;
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config->conditionNotation = VBU_NAMES;
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config->hexCase = VBU_UPPER;
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config->hexNotation = VBU_0X;
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config->memoryNotation = VBU_OUTSIDE;
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config->mnemonicCase = VBU_UPPER;
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config->operandOrder = VBU_DEST_LAST;
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config->programCase = VBU_LOWER;
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config->programNotation = VBU_NAMES;
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config->setfNotation = VBU_SPLIT;
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config->systemCase = VBU_LOWER;
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config->systemNotation = VBU_NAMES;
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return config;
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}
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/* Disassemble from a simulation */
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VBUAPI VBU_DasmLine* vbuDisassemble(VB *sim, uint32_t address,
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VBU_DasmConfig *config, unsigned length, int line) {
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return dasmDisassemble(sim, address, config, length, line);
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}
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