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Added comments that explain why some instructions are implied.

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This commit is contained in:
Greg King 2014-05-05 13:45:34 -04:00
parent 7d512ca238
commit a27e7562fd
4 changed files with 7 additions and 7 deletions
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2
libsrc/c128/mou/c128-1351.s
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@ -208,7 +208,7 @@ UNINSTALL:
sta IRQInd+1
lda old_irq+1
sta IRQInd+2
;cli
;cli ; This will be done at end of HIDE
jsr HIDE ; Hide cursor on exit
lda INIT_save

4
libsrc/c128/mou/c128-inkwell.s
View File

@ -240,7 +240,7 @@ UNINSTALL:
sei
sta IRQInd+1
stx IRQInd+2
;cli
;cli ; This will be done at end of HIDE
jsr HIDE ; Hide cursor on exit
lda INIT_save
@ -410,7 +410,7 @@ IRQ: jsr CPREP
ldy #%00000000 ; Set ports A and B to input
sty CIA1_DDRB
sty CIA1_DDRA ; Keyboard won't look like buttons
;lda #%01111111
;lda #%01111111 ; (Keyboard scan leaves this in port A)
;sta CIA1_PRA
lda CIA1_PRB ; Read Control Port 1
dec CIA1_DDRA ; Set port A back to output

2
libsrc/c128/mou/c128-joy.s
View File

@ -209,7 +209,7 @@ UNINSTALL:
sta IRQInd+1
lda old_irq+1
sta IRQInd+2
;cli
;cli ; This will be done at end of HIDE
jsr HIDE ; Hide cursor on exit
lda INIT_save

6
libsrc/c128/mou/c128-pot.s
View File

@ -209,7 +209,7 @@ UNINSTALL:
sei
sta IRQInd+1
stx IRQInd+2
;cli
;cli ; This will be done at end of HIDE
jsr HIDE ; Hide cursor on exit
lda INIT_save
@ -318,8 +318,8 @@ BUTTONS:
and #JOY::LEFT | JOY::RIGHT
lsr a
lsr a
;clc
adc #%00001110
;clc ; ("lsr" shifted zero into carry flag)
adc #%00001110 ; Shift bit 1 over to bit 4
and #MOUSE_BTN_LEFT | MOUSE_BTN_RIGHT
rts