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Whoops: correct 6809 stack pointer increment/decrement order

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Signed-off-by: Adrian Conlon <Adrian.conlon@gmail.com>
This commit is contained in:
Adrian Conlon 2018-09-29 10:02:53 +01:00
parent 861fc28bba
commit f6bd871757
1 changed files with 2 additions and 2 deletions
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4
MC6809/src/mc6809.cpp
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@ -579,11 +579,11 @@ void EightBit::mc6809::execute11(const uint8_t opcode) {
// //
void EightBit::mc6809::push(register16_t& stack, const uint8_t value) { void EightBit::mc6809::push(register16_t& stack, const uint8_t value) {
BUS().write(stack--, value); BUS().write(--stack, value);
} }
uint8_t EightBit::mc6809::pop(register16_t& stack) { uint8_t EightBit::mc6809::pop(register16_t& stack) {
return BUS().read(++stack); return BUS().read(stack++);
} }
// //