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Ryukojiro-apple1
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Added some preprocessor definitions for keyboard readiness register 

git-svn-id: svn+ssh://svn.phoenixbox.net/svn/apple1/trunk@13 64f78de7-aa59-e511-a0e8-0002a5492df0
This commit is contained in:
Daniel Loffgren 2015-09-14 07:23:51 +00:00
parent 73ea7d164b
commit cc2d4a8554
1 changed files with 6 additions and 4 deletions
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10
apple1/pia.c
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@ -12,6 +12,8 @@
#include <stdlib.h>
#define FIXME_I_SHOULDNT_BE_NULL NULL
#define KEYBOARD_READY 0xFF // This just needs to meet the requirements of being a negative number in the eyes of the 6502
#define KEYBOARD_NOTREADY 0x00
char asciiCharFromA1Char(uint8_t c) {
switch (c) {
@ -45,17 +47,17 @@ void videoWriteNewlineCallback(struct _v6502_memory *memory, uint16_t offset, ui
uint8_t keyboardReadReadyCallback(struct _v6502_memory *memory, uint16_t offset, int trap, a1pia *context) {
if (context->buf) {
return 0xFF;
return KEYBOARD_READY;
}
int c = getch();
if (c != ERR) {
context->buf = c;
return 0xFF;
return KEYBOARD_READY;
}
return 0;
return KEYBOARD_NOTREADY;
}
uint8_t keyboardReadCharacterCallback(struct _v6502_memory *memory, uint16_t offset, int trap, a1pia *context) {
@ -77,7 +79,7 @@ a1pia *pia_create(v6502_memory *mem) {
pia->memory = mem;
pia->screen = initscr();
//nodelay(stdscr, true);
raw();
crmode();
noecho();
v6502_map(mem, A1PIA_KEYBOARD_INPUT, 1, (v6502_readFunction *)keyboardReadCharacterCallback, NULL, pia);