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abstract-machine,nemu: add keyboard support
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This commit is contained in:
xinyangli 2024-07-26 13:44:52 +08:00
parent c9ad69a32d
commit fed4ac225d
Signed by: xin
SSH key fingerprint: SHA256:qZ/tzd8lYRtUFSrfBDBMcUqV4GHKxqeqRA3huItgvbk
2 changed files with 4 additions and 2 deletions
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5
abstract-machine/am/src/platform/nemu/ioe/input.c
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@ -4,6 +4,7 @@
#define KEYDOWN_MASK 0x8000
void __am_input_keybrd(AM_INPUT_KEYBRD_T *kbd) {
kbd->keydown = 0;
kbd->keycode = AM_KEY_NONE;
uint32_t keycode = inl(KBD_ADDR);
kbd->keydown = ((keycode & KEYDOWN_MASK) != 0);
kbd->keycode = keycode & (~KEYDOWN_MASK);
}