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author | Aki <please@ignore.pl> | 2021-07-10 15:19:57 +0200 |
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committer | Aki <please@ignore.pl> | 2021-07-10 15:19:57 +0200 |
commit | 5809ce4c5438702977164a8193b9556609f8e537 (patch) | |
tree | 9adec0ea4535855dec92285f3c4cd23a620573e4 | |
parent | e880c087cec5876c5e6aaaa7980c1ae6274fdb6c (diff) | |
download | lc3-5809ce4c5438702977164a8193b9556609f8e537.zip lc3-5809ce4c5438702977164a8193b9556609f8e537.tar.gz lc3-5809ce4c5438702977164a8193b9556609f8e537.tar.bz2 |
Made sure that kbsr interrupt can be toggled
-rw-r--r-- | lc3.c | 4 |
1 files changed, 2 insertions, 2 deletions
@@ -169,7 +169,7 @@ uint16_t read_memory(const uint16_t address) { if (check_key()) { - memory[MEMORY_KBSR] = 1u << 15; + memory[MEMORY_KBSR] |= 1u << 15; uint8_t c; ssize_t r = read(0, &c, 1); die(r, "read_memory read()"); @@ -177,7 +177,7 @@ uint16_t read_memory(const uint16_t address) } else { - memory[MEMORY_KBSR] = 0; + memory[MEMORY_KBSR] &= ~(1u << 15); } } else if (MEMORY_DSR == address) |