6502/CLK
1
0
Fork 0
mirror of https://github.com/TomHarte/CLK.git synced 2024-11-22 12:33:29 +00:00
Code Issues Projects Releases Wiki Activity

Start to beef up operand count list.

Browse Source
This commit is contained in:
Thomas Harte 2023-09-18 16:34:52 -04:00
parent da953fdf0d
commit 3582d2c9e3
1 changed files with 28 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

28
InstructionSets/x86/Instruction.hpp
View File

@ -343,6 +343,34 @@ enum class Operation: uint8_t {
constexpr int num_operands(Operation operation) {
switch(operation) {
default: return 2;
case Operation::JO: case Operation::JNO:
case Operation::JB: case Operation::JNB:
case Operation::JE: case Operation::JNE:
case Operation::JBE: case Operation::JNBE:
case Operation::JS: case Operation::JNS:
case Operation::JP: case Operation::JNP:
case Operation::JL: case Operation::JNL:
case Operation::JLE: case Operation::JNLE:
case Operation::INC: case Operation::DEC:
case Operation::POP: case Operation::PUSH:
case Operation::MUL:
case Operation::IDIV:
case Operation::RETfar:
case Operation::ESC:
return 1;
case Operation::CMPS: case Operation::LODS:
case Operation::MOVS: case Operation::SCAS:
case Operation::STOS:
case Operation::CLC: case Operation::CLD:
case Operation::CLI:
case Operation::STC: case Operation::STD:
case Operation::STI:
case Operation::CMC:
case Operation::LAHF: case Operation::SAHF:
case Operation::Invalid:
return 0;
}
}