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Converted the C16/Plus4 joystick code to modules

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git-svn-id: svn://svn.cc65.org/cc65/trunk@1816 b7a2c559-68d2-44c3-8de9-860c34a00d81
This commit is contained in:
cuz 2002-12-21 08:53:39 +00:00
parent a63a1075f8
commit d758e77835
7 changed files with 177 additions and 71 deletions
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1
libsrc/Makefile
View File

@ -233,6 +233,7 @@ plus4lib:
$(AR) a plus4.lib $$i/*.o;\
done
mv plus4/crt0.o plus4.o
cp plus4/*.joy .
#-----------------------------------------------------------------------------
# Dummy targets

38
libsrc/c16/Makefile
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@ -4,6 +4,9 @@
.SUFFIXES: .o .s .c
#--------------------------------------------------------------------------
# Rules
%.o: %.c
@$(CC) $(CFLAGS) $<
@$(AS) -o $@ $(AFLAGS) $(*).s
@ -11,6 +14,18 @@
%.o: %.s
@$(AS) -g -o $@ $(AFLAGS) $<
%.emd: %.o ../runtime/zeropage.o
@$(LD) -t module -o $@ $^
%.joy: %.o ../runtime/zeropage.o
@$(LD) -t module -o $@ $^
%.tgi: %.o ../runtime/zeropage.o
@$(LD) -t module -o $@ $^
#--------------------------------------------------------------------------
# Object files
OBJS = _scrsize.o \
break.o \
cgetc.o \
@ -23,11 +38,26 @@ OBJS = _scrsize.o \
kbhit.o \
kernal.o \
randomize.o \
readjoy.o \
revers.o
revers.o
all: $(OBJS)
#--------------------------------------------------------------------------
# Drivers
EMDS =
JOYS =
TGIS =
#--------------------------------------------------------------------------
# Targets
all: $(OBJS) $(EMDS) $(JOYS) $(TGIS)
../runtime/zeropage.o:
$(MAKE) -C $(dir $@) $(notdir $@)
clean:
@rm -f $(OBJS)
@rm -f $(OBJS) $(EMDS:.emd=.o) $(JOYS:.joy=.o) $(TGIS:.tgi=.o)

29
libsrc/c16/readjoy.s
View File

@ -1,29 +0,0 @@
;
; Ullrich von Bassewitz, 23.09.1998
;
; unsigned readjoy (unsigned char joy);
;
.export _readjoy
.include "../plus4/plus4.inc"
.proc _readjoy
ldy #$FA ; Load index for joystick #1
tax ; Test joystick number
beq L1
ldy #$FB ; Load index for joystick #2
L1: sei
sty TED_KBD
lda TED_KBD
cli
ldx #$00 ; Clear high byte
and #$1F
eor #$1F
rts
.endproc

1
libsrc/plus4/.cvsignore Normal file
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@ -0,0 +1 @@
*.joy

47
libsrc/plus4/Makefile
View File

@ -4,6 +4,9 @@
.SUFFIXES: .o .s .c
#--------------------------------------------------------------------------
# Rules
%.o: %.c
@$(CC) $(CFLAGS) $<
@$(AS) -o $@ $(AFLAGS) $(*).s
@ -11,18 +14,30 @@
%.o: %.s
@$(AS) -g -o $@ $(AFLAGS) $<
%.emd: %.o ../runtime/zeropage.o
@$(LD) -t module -o $@ $^
%.joy: %.o ../runtime/zeropage.o
@$(LD) -t module -o $@ $^
%.tgi: %.o ../runtime/zeropage.o
@$(LD) -t module -o $@ $^
#--------------------------------------------------------------------------
# Object files
OBJS = _scrsize.o \
break.o \
cgetc.o \
clrscr.o \
color.o \
conio.o \
cputc.o \
crt0.o \
clrscr.o \
color.o \
conio.o \
cputc.o \
crt0.o \
get_tv.o \
kacptr.o \
kbasin.o \
kbhit.o \
kbhit.o \
kbsout.o \
kchkin.o \
kciout.o \
@ -45,12 +60,26 @@ OBJS = _scrsize.o \
kunlsn.o \
kuntlk.o \
randomize.o \
readjoy.o \
revers.o \
tgi_mode_table.o
all: $(OBJS)
#--------------------------------------------------------------------------
# Drivers
EMDS =
JOYS = plus4-stdjoy.joy
TGIS =
#--------------------------------------------------------------------------
# Targets
all: $(OBJS) $(EMDS) $(JOYS) $(TGIS)
../runtime/zeropage.o:
$(MAKE) -C $(dir $@) $(notdir $@)
clean:
@rm -f $(OBJS)
@rm -f $(OBJS) $(EMDS:.emd=.o) $(JOYS:.joy=.o) $(TGIS:.tgi=.o)

103
libsrc/plus4/plus4-stdjoy.s Normal file
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@ -0,0 +1,103 @@
;
; Standard joystick driver for the Plus/4
;
; Ullrich von Bassewitz, 2002-12-21
;
.include "zeropage.inc"
.include "joy-kernel.inc"
.include "joy-error.inc"
.include "plus4.inc"
.macpack generic
; ------------------------------------------------------------------------
; Header. Includes jump table
.segment "JUMPTABLE"
; Driver signature
.byte $6A, $6F, $79 ; "joy"
.byte $00 ; Driver API version number
; Button state masks (8 values)
.byte $01 ; JOY_UP
.byte $02 ; JOY_DOWN
.byte $04 ; JOY_LEFT
.byte $08 ; JOY_RIGHT
.byte $10 ; JOY_FIRE
.byte $00 ; Future expansion
.byte $00 ; Future expansion
.byte $00 ; Future expansion
; Jump table.
.word INSTALL
.word DEINSTALL
.word COUNT
.word READ
; ------------------------------------------------------------------------
; Constants
JOY_COUNT = 2 ; Number of joysticks we support
; ------------------------------------------------------------------------
; Data.
.code
; ------------------------------------------------------------------------
; INSTALL routine. Is called after the driver is loaded into memory. If
; possible, check if the hardware is present and determine the amount of
; memory available.
; Must return an JOY_ERR_xx code in a/x.
;
INSTALL:
lda #<JOY_ERR_OK
ldx #>JOY_ERR_OK
; rts ; Run into DEINSTALL instead
; ------------------------------------------------------------------------
; DEINSTALL routine. Is called before the driver is removed from memory.
; Can do cleanup or whatever. Must not return anything.
;
DEINSTALL:
rts
; ------------------------------------------------------------------------
; COUNT: Return the total number of available joysticks in a/x.
;
COUNT:
lda #<JOY_COUNT
ldx #>JOY_COUNT
rts
; ------------------------------------------------------------------------
; READ: Read a particular joystick passed in A.
;
READ: ldy #$FA ; Load index for joystick #1
tax ; Test joystick number
beq @L1
ldy #$FB ; Load index for joystick #2
@L1: sei
sty TED_KBD
lda TED_KBD
cli
ldx #$00 ; Clear high byte
and #$1F
eor #$1F
rts

29
libsrc/plus4/readjoy.s
View File

@ -1,29 +0,0 @@
;
; Ullrich von Bassewitz, 23.09.1998
;
; unsigned readjoy (unsigned char joy);
;
.export _readjoy
.include "plus4.inc"
.proc _readjoy
ldy #$FA ; Load index for joystick #1
tax ; Test joystick number
beq L1
ldy #$FB ; Load index for joystick #2
L1: sei
sty TED_KBD
lda TED_KBD
cli
ldx #$00 ; Clear high byte
and #$1F
eor #$1F
rts
.endproc