chris/open-roms
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fix keyboard buffer emptying handling

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Paul Gardner-Stephen committed 2019-04-20 02:15:53 +09:30
1 parent 8a4f4928e5
commit a60f262d84
2 files changed
+3 -1
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c64/kernal/chrin.s
+1 -1
View File
@@ -22,7 +22,7 @@ chrin:
sta keyboard_buffer,x sta keyboard_buffer,x
inx inx
iny iny
cpy keys_in_key_buffer cpy key_buffer_size
bne - bne -
dec keys_in_key_buffer dec keys_in_key_buffer
cli cli
c64/kernal/scan_keyboard.s
+2
View File
@@ -75,6 +75,7 @@ scan_keyboard:
;; Convert matrix position to key code ;; Convert matrix position to key code
;; XXX - Add offset of $40, $80 or $C0 if shift, CONTROL or C= are held down ;; XXX - Add offset of $40, $80 or $C0 if shift, CONTROL or C= are held down
and #$3f
tax tax
lda keyboard_matrixes,x lda keyboard_matrixes,x
@@ -86,6 +87,7 @@ scan_keyboard:
inc keys_in_key_buffer inc keys_in_key_buffer
* *
lda keys_in_key_buffer
rts rts