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Add special ROM code for testing

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This commit is contained in:
Ross Wilson
2016-03-03 20:43:22 +07:00
parent ae453b350c
commit 1a4f601964
1 changed files with 9 additions and 0 deletions
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9
pymlac/Memory.py
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@@ -53,6 +53,14 @@ class Memory(object):
0003677, # base data 03677 ;77
]
TTY_ROM_IMAGE_TEST = [
#00040 0001: org 040
0100001, #00040 0002: loop cla ; clear AC
0001031, #00041 0003: rrb ; IOR tty input -> AC
0010040, #00042 0004: jmp loop ; keep going
# 0005: end
]
# TTY ROM image from "Loading The PDS-1" (loading.pdf)
TTY_ROM_IMAGE = [ # org 040
0060077, # start lac base ;40 get load address
0020010, # dac 10 ;41 put into auto-inc reg
@@ -177,6 +185,7 @@ class Memory(object):
i = self.ROM_START
for tty_value in self.TTY_ROM_IMAGE:
#for tty_value in self.TTY_ROM_IMAGE_TEST:
self.memory[i] = tty_value
i += 1