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Fixed return instruction and EOF behavior

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Luxferre
2022-08-10 17:53:10 +03:00
parent f99b95fcd2
commit 6466fa7d87
2 changed files with 12 additions and 8 deletions
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equi.c
+7 -4
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@@ -301,8 +301,8 @@ void equi_main_loop() {
ram.pc = 65535U;
while(1) { /* iterate over the instructions in the command buffer */
instr = ram.cmdbuf[++ram.pc];
/* silently exit on zero */
if(instr == 0) break;
/* silently exit on zero or FF */
if(instr == 0 || instr == 0xFFu) break;
/* first, check for II mode */
if(ram.II) {
if(instr == INS_IIEND)
@@ -364,7 +364,8 @@ void equi_main_loop() {
lhash = crc16(&ram.literal_stack[0], ram.lsp);
for(pbuf=0;pbuf<CLT_ENTRIES_MAX;++pbuf)
if(ram.clt[pbuf].nhash == lhash) {
ram.pc = ram.clt[pbuf].loc;
pushRet(ram.pc); /* first, save the PC into the return stack */
ram.pc = ram.clt[pbuf].loc; /* then jump to the word location */
break;
}
if(pbuf >= CLT_ENTRIES_MAX)
@@ -547,7 +548,9 @@ int main(int argc, char* argv[]) {
while(1) { /* Now, we're in the command mode loop */
instr = ram.cmdbuf[++ram.ibp] = cgetc(); /* Fetch the next instruction from the keyboard */
if(instr == BS && ram.ibp > ram.cmd_start) { /* process the backspace */
if(instr == 0xFFU || instr == 0U) /* exit */
break;
else if(instr == BS && ram.ibp > ram.cmd_start) { /* process the backspace */
#ifdef __CC65__
cputc(instr); /* echo it */
#endif