eeeck/tyvm
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minor updates

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This commit is contained in:
Erick
2022-02-08 02:53:48 +01:00
parent 810abefe09
commit 004d36a336
1 changed files with 20 additions and 20 deletions
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src/tyvm.c
+20 -20
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@@ -19,7 +19,7 @@ int main(int argc, const char* argv[]) {
exit(1);
}
signal(SIGINT, handle_interrupt); //FIXME: handle_interrupt may not be correct, check lc3 docs
signal(SIGINT, handle_interrupt);
disable_input_buffering();
reg[RG_COND] = FL_Z;
@@ -29,27 +29,27 @@ int main(int argc, const char* argv[]) {
int running = TRUE;
while(running) {
uint16_t instr = mem_read(reg[RG_PC]++);
uint16_t op = instr >> 12;
static uint16_t instr = mem_read(reg[RG_PC]++);
static uint16_t op = instr >> 12;
uint16_t cond;
uint16_t PCoffset9; // 9-bit value that indicates where to load the address when added to RG_PC
uint16_t PCoffset11;
uint16_t dr; // destination register
uint16_t sr; // source register
uint16_t sr1; // source register 1
uint16_t sr2; // source register 2
uint16_t imm_flag; // immediate mode flag (bit[5])
uint16_t imm5;
uint16_t jsr_flag;
uint16_t BaseR_jsr;
uint16_t BaseR_jsrr;
uint16_t BaseR;
uint16_t offset6;
static uint16_t cond; // condition flag status
static uint16_t PCoffset9; // 9-bit value that indicates where to load the address when added to PC register
static uint16_t PCoffset11; // 11-bit value that indicates where to load the address when added to PC register
static uint16_t dr; // destination register
static uint16_t sr; // source register
static uint16_t sr1; // source register 1
static uint16_t sr2; // source register 2
static uint16_t imm_flag; // immediate mode flag (bit[5])
static uint16_t imm5; // immediate mode 5 bit value
static uint16_t jsr_flag; // JSR flag
static uint16_t BaseR_jsr;
static uint16_t BaseR_jsrr;
static uint16_t BaseR;
static uint16_t offset6; // 6-bit offset value
uint16_t* stringPnt;
uint16_t* c;
uint16_t* ch;
static uint16_t* stringPnt;
static uint16_t* c;
static uint16_t* ch;
switch (op) {
case BR: