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Keyboard CLRF register needs to be non-zero when there is no input 

git-svn-id: svn+ssh://svn.phoenixbox.net/svn/apple1/trunk@10 64f78de7-aa59-e511-a0e8-0002a5492df0
This commit is contained in:
Daniel Loffgren 2015-09-14 01:20:12 +00:00
parent 56fbd9a928
commit 6241f39bd0
1 changed files with 6 additions and 1 deletions
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7
apple1/pia.c
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@ -34,9 +34,14 @@ void videoWriteNewlineCallback(struct _v6502_memory *memory, uint16_t offset, ui
fflush(stdout);
}
uint8_t keyboardReadNewlineCallback(struct _v6502_memory *memory, uint16_t offset, int trap, void *context) {
// FIXME: this is just to satiate the woz monitor until real input is hooked up
return 1;
}
void pia_map(v6502_memory *mem) {
v6502_map(mem, A1PIA_KEYBOARD_INPUT, 1, FIXME_I_SHOULDNT_BE_NULL, NULL, NULL);
v6502_map(mem, A1PIA_KEYBOARD_CRLF_REG, 1, FIXME_I_SHOULDNT_BE_NULL, NULL, NULL);
v6502_map(mem, A1PIA_KEYBOARD_CRLF_REG, 1, keyboardReadNewlineCallback, NULL, NULL);
v6502_map(mem, A1PIA_VIDEO_OUTPUT, 1, FIXME_I_SHOULDNT_BE_NULL, videoWriteCharCallback, NULL);
v6502_map(mem, A1PIA_VIDEO_CRLF_REG, 1, FIXME_I_SHOULDNT_BE_NULL, videoWriteNewlineCallback, NULL);
}