Add stack push/pop functions

[emu8051.git] / src / cpu8051.c

diff --git a/src/cpu8051.c b/src/cpu8051.c
index 213f61b..58a0e79 100644 (file)
--- a/src/cpu8051.c
+++ b/src/cpu8051.c
@@ -211,12 +211,7 @@ cpu8051_ReadB(uint8_t bit_address)
 static void
 cpu8051_process_interrupt(int pc, int pri)
 {
-       unsigned char SP;
-
-       SP = cpu8051_ReadD(_SP_);
-       cpu8051_WriteI(++SP, (cpu8051.pc & 0xFF));
-       cpu8051_WriteI(++SP, (cpu8051.pc >> 8));
-       cpu8051_WriteD(_SP_, SP);
+       stack_push16(pc);
        cpu8051.pc = 0x0B;
        cpu8051.active_priority = pri;
 }