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UXN extended opcodes
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# more opcodes above... | |
function SFT(c::CPU, k::Bool, m::BytSht, r::Bool)::CPU | |
setmod(c, r, k) | |
a = pop(c.src, k, UInt8) | |
b = pop(c.src, k, m) | |
push(c.src, b >> (a & 0x0f) << ((a & 0xf0) >> 4)) | |
end | |
# Extended opcodes | |
const OPCODES = [ | |
:LIT, :INC, :POP, :DUP, :NIP, :SWP, :OVR, :ROT, | |
:EQP, :NEQ, :GTH, :LTH, :JMP, :JNC, :JSR, :STH, | |
:LDZ, :STZ, :LDR, :STR, :LDA, :STA, :DEI, :DEO, | |
:ADD, :SUB, :MUL, :DIV, :AND, :ORA, :EOR, :SFT | |
] | |
for op in OPCODES | |
@eval begin | |
$op(c::CPU) = $op(c, false, UInt8, false) | |
$(Symbol(op, "2"))(c::CPU) = $op(c, false, UInt16, false) | |
$(Symbol(op, "k"))(c::CPU) = $op(c, true, UInt8, false) | |
$(Symbol(op, "2k"))(c::CPU) = $op(c, true, UInt16, false) | |
$(Symbol(op, "k2"))(c::CPU) = $(Symbol(op, "2k"))(c) | |
$(Symbol(op, "r"))(c::CPU) = $op(c, false, UInt8, true) | |
$(Symbol(op, "kr"))(c::CPU) = $op(c, true, UInt8, true) | |
$(Symbol(op, "rk"))(c::CPU) = $(Symbol(op, "kr"))(c) | |
$(Symbol(op, "2kr"))(c::CPU) = $op(c, true, UInt16, true) | |
$(Symbol(op, "2rk"))(c::CPU) = $(Symbol(op, "2kr"))(c) | |
$(Symbol(op, "kr2"))(c::CPU) = $(Symbol(op, "2kr"))(c) | |
$(Symbol(op, "k2r"))(c::CPU) = $(Symbol(op, "2kr"))(c) | |
$(Symbol(op, "r2k"))(c::CPU) = $(Symbol(op, "2kr"))(c) | |
$(Symbol(op, "rk2"))(c::CPU) = $(Symbol(op, "2kr"))(c) | |
end | |
end |
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