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JSR implemented

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Loic Nageleisen 2012-04-08 18:24:39 +02:00
parent 7f97d50ce0
commit 930a04473c
1 changed files with 3 additions and 2 deletions
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dcpu_16.py
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@ -46,8 +46,9 @@ class valcode(object):
@opcode(0x0, 0x01) @opcode(0x0, 0x01)
def JSR(c, a): def JSR(c, a):
"""pushes the address of the next instruction to the stack, then sets PC to a""" """pushes the address of the next instruction to the stack, then sets PC to a"""
#pushnext c.sp = (c.sp - 1) & wmask
c.pc = c[a] c.m[c.sp] = c.pc
c.pc = a()
@opcode(0x1) @opcode(0x1)
def SET(c, a, b): def SET(c, a, b):