mirror of
https://github.com/cc65/cc65.git
synced 2024-12-27 15:29:46 +00:00
initial import, completely untested, does not compile yet
This commit is contained in:
mrdudz
parent
fed3179d3b
commit
faccc5a3d6
@ -24,6 +24,7 @@ TARGETS = apple2 \
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$(GEOS) \
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lynx \
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nes \
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pcengine \
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sim6502 \
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sim65c02 \
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supervision
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67
libsrc/pcengine/_heap.s
Normal file
67
libsrc/pcengine/_heap.s
Normal file
@ -0,0 +1,67 @@
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;
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; Ullrich von Bassewitz, 03.06.1998
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;
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; Heap variables and initialization.
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;
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; FIXME: there should be a way to configure heap from linkerscript!
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.constructor initheap, 24
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.import __RAM_START__, __RAM_SIZE__, __STACKSIZE__ ; Linker generated
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.import __BSS_SIZE__
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.importzp sp
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.data
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;; old - remove
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.export __horg, __hptr, __hend, __hfirst, __hlast
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__horg:
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.word __RAM_START__+__BSS_SIZE__+__DATA_SIZE__ ; Linker calculates this symbol
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__hptr:
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.word __RAM_START__+__BSS_SIZE__+__DATA_SIZE__ ; Dito
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__hend:
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.word __RAM_START__+__RAM_SIZE__
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__hfirst:
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.word 0
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__hlast:
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.word 0
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.export __heaporg
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.export __heapptr
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.export __heapend
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.export __heapfirst
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.export __heaplast
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__heaporg:
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.word __RAM_START__+__BSS_SIZE__+__DATA_SIZE__ ; Linker calculates this symbol
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__heapptr:
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.word __RAM_START__+__BSS_SIZE__+__DATA_SIZE__ ; Linker calculates this symbol
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__heapend:
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.word __RAM_START__+__RAM_SIZE__
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__heapfirst:
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.word 0
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__heaplast:
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.word 0
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; Initialization. Will be called from startup!
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.code
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initheap:
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;sec
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;lda sp
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; lda #<(__STACKSIZE__)
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; lda #<(__RAM_START__+__RAM_SIZE__)
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lda #<(__RAM_START__+__BSS_SIZE__+__DATA_SIZE__)
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sta __heapend
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sta __hend ; old
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; lda sp+1
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; lda #>(__STACKSIZE__)
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; lda #>(__RAM_START__+__RAM_SIZE__)
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lda #>(__RAM_START__+__BSS_SIZE__+__DATA_SIZE__)
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sta __heapend+1
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sta __hend+1 ; old
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rts
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17
libsrc/pcengine/_scrsize.s
Normal file
17
libsrc/pcengine/_scrsize.s
Normal file
@ -0,0 +1,17 @@
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;
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; Screen size variables
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;
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.export _screensize
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_screensize:
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ldx xsize
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ldy ysize
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rts
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.rodata
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.export xsize, ysize
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xsize: .byte 64
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ysize: .byte 28
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19
libsrc/pcengine/call.s
Normal file
19
libsrc/pcengine/call.s
Normal file
@ -0,0 +1,19 @@
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;
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; Ullrich von Bassewitz, 06.08.1998
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;
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; CC65 runtime: call function via pointer in ax
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;
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.export callax
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.code
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callax:
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sta vec
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stx vec+1
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jmp (vec) ; jump there
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.bss
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vec:
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.res 2
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23
libsrc/pcengine/clock.s
Normal file
23
libsrc/pcengine/clock.s
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@ -0,0 +1,23 @@
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;
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; Ullrich von Bassewitz, 21.09.1998
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;
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; clock_t clock (void);
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;
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.include "pcengine.inc"
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.export _clock
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.importzp sreg
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.proc _clock
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ldy #0 ; Byte 3 is always zero
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sty sreg+1
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sty sreg
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ldx _tickcount+1
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lda _tickcount
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rts
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.endproc
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27
libsrc/pcengine/clrscr.s
Normal file
27
libsrc/pcengine/clrscr.s
Normal file
@ -0,0 +1,27 @@
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.include "pcengine.inc"
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.export _clrscr
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_clrscr:
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st0 #VDC_MAWR
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st1 #<$0000
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st2 #>$0000
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st0 #VDC_VWR
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ldy #$40
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rowloop: ldx #$80
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colloop:
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lda #' '
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staio VDC_DATA_LO
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lda #$02
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staio VDC_DATA_HI
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dex
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bne colloop
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dey
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bne rowloop
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rts
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59
libsrc/pcengine/color.s
Normal file
59
libsrc/pcengine/color.s
Normal file
@ -0,0 +1,59 @@
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;
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; Ullrich von Bassewitz, 06.08.1998
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;
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; unsigned char __fastcall__ textcolor (unsigned char color);
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; unsigned char __fastcall__ bgcolor (unsigned char color);
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; unsigned char __fastcall__ bordercolor (unsigned char color);
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;
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.export _textcolor, _bgcolor, _bordercolor
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.include "pcengine.inc"
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_textcolor:
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ldx CHARCOLOR ; get old value
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sta CHARCOLOR ; set new value
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txa
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rts
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_bgcolor:
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ldx BGCOLOR ; get old value
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sta BGCOLOR ; set new value
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asl a
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tay
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stz VCE_ADDR_LO
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stz VCE_ADDR_HI
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lda colors,y
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sta VCE_DATA_LO
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lda colors+1,y
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sta VCE_DATA_HI
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txa
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rts
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_bordercolor:
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lda #0
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txa
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rts
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.export colors
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colors: ; G R B
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.word ((0<<6)+(0<<3)+(0)) ; 0 black
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.word ((7<<6)+(7<<3)+(7)) ; 1 white
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.word ((0<<6)+(7<<3)+(0)) ; 2 red
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.word ((7<<6)+(0<<3)+(7)) ; 3 cyan
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.word ((0<<6)+(5<<3)+(7)) ; 4 violett
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.word ((7<<6)+(0<<3)+(0)) ; 5 green
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.word ((0<<6)+(0<<3)+(7)) ; 6 blue
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.word ((7<<6)+(7<<3)+(0)) ; 7 yellow
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.word ((5<<6)+(7<<3)+(0)) ; 8 orange
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.word ((3<<6)+(4<<3)+(3)) ; 9 brown
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.word ((4<<6)+(7<<3)+(4)) ; a light red
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.word ((3<<6)+(3<<3)+(3)) ; b dark grey
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.word ((4<<6)+(4<<3)+(4)) ; c middle grey
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.word ((7<<6)+(4<<3)+(4)) ; d light green
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.word ((4<<6)+(4<<3)+(7)) ; e light blue
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.word ((6<<6)+(6<<3)+(6)) ; f light gray
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102
libsrc/pcengine/condes.s
Normal file
102
libsrc/pcengine/condes.s
Normal file
@ -0,0 +1,102 @@
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;
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; Ullrich von Bassewitz, 20.11.2000
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;
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; CC65 runtime: Support for calling module constructors/destructors
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;
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; The condes routine must be called with the table address in a/x and the
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; size of the table in y. The current implementation limits the table size
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; to 254 bytes (127 vectors) but this shouldn't be problem for now and may
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; be changed later.
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;
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; libinit and libdone call condes with the predefined module constructor and
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; destructor tables, they must be called from the platform specific startup
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; code.
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.export initlib, donelib, condes
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.import callax
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.import __CONSTRUCTOR_TABLE__, __CONSTRUCTOR_COUNT__
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.import __DESTRUCTOR_TABLE__, __DESTRUCTOR_COUNT__
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.code
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; --------------------------------------------------------------------------
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; Initialize library modules
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.proc initlib
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lda #<__CONSTRUCTOR_TABLE__
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ldx #>__CONSTRUCTOR_TABLE__
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ldy #<(__CONSTRUCTOR_COUNT__*2)
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bne condes
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rts
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.endproc
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; --------------------------------------------------------------------------
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; Cleanup library modules
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.proc donelib
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lda #<__DESTRUCTOR_TABLE__
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ldx #>__DESTRUCTOR_TABLE__
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ldy #<(__DESTRUCTOR_COUNT__*2)
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bne condes
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rts
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.endproc
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; --------------------------------------------------------------------------
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; Generic table call handler
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.proc condes
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sta getbyt+1
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stx getbyt+2
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sty index
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loop: ldy index
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beq done
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dey
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jsr getbyt
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tax
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dey
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jsr getbyt
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sty index
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jsr callax
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.ifpc02
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bra loop
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.else
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jmp loop
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.endif
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done: rts
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.endproc
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; --------------------------------------------------------------------------
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; Data. The getbyte routine is placed in the data segment cause it's patched
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; at runtime.
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.bss
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index: .byte 0
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.data
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getbyt:
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;;getbyt_:
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lda $FFFF,y
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rts
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;; callax doesnt work? why?!
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;_callax:
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; sta @l+1
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; stx @l+2
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;@l: jmp $dead
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122
libsrc/pcengine/conio.s
Normal file
122
libsrc/pcengine/conio.s
Normal file
@ -0,0 +1,122 @@
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.include "pcengine.inc"
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.import vce_init
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.import psg_init
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.import vdc_init
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.export initconio
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.export _conio_init
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.constructor initconio, 24
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.macpack longbranch
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initconio:
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;; jsr vdc_init
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jsr vce_init
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jsr psg_init
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jsr conio_init
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jsr set_palette
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st0 #VDC_RCR
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st1 #<$0088
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st2 #>$0088
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rts
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.import colors
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set_palette:
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; Make palette (use VGA palette?)
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; stz VCE_ADDR_LO
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; stz VCE_ADDR_HI
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; clx
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; cly
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vce_loop: ;; stx VCE_DATA_LO
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;; sty VCE_DATA_HI
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; inx
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; cpx #$00
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; bne vce_loop
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; iny
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; cpy #$02
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; bne vce_loop
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stz VCE_ADDR_LO
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stz VCE_ADDR_HI
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ldx #0
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@lp:
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.repeat 16
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lda colors,x
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sta VCE_DATA_LO
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lda colors+1,x
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sta VCE_DATA_HI
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.endrepeat
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inx
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inx
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cpx #16*2;*5
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jne @lp
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stz VCE_ADDR_LO
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stz VCE_ADDR_HI
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stz VCE_DATA_LO
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stz VCE_DATA_HI
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; so it will get linked in
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_conio_init:
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rts
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;----------------------------------------------------------------------------
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;
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;----------------------------------------------------------------------------
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.importzp ptr1
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conio_init:
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; Load font
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st0 #VDC_MAWR
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st1 #<$2000
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st2 #>$2000
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; ptr to font data
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lda #<font
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sta ptr1
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lda #>font
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sta ptr1+1
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st0 #VDC_VWR ; VWR
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ldy #$80 ; 128 chars
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charloop: ldx #$08 ; 8 bytes/char
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lineloop:
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;;lda [$00] ; read font byte
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ldaind ptr1
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staio VDC_DATA_LO ; bitplane 0
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stzio VDC_DATA_HI ; bitplane 1
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clc ; increment font pointer
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lda ptr1
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adc #$01
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sta ptr1
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lda ptr1+1
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adc #$00
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sta ptr1+1
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dex
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bne lineloop ; next bitplane 0 byte
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ldx #$08 ; fill bitplane 2/3 with 0
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fillloop: st1 #$00
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st2 #$00
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dex
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bne fillloop ; next byte
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dey
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bne charloop ; next character
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ldx #0
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stx BGCOLOR
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inx
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stx CHARCOLOR
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rts
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.rodata
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font: .include "vga.inc"
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117
libsrc/pcengine/cputc.s
Normal file
117
libsrc/pcengine/cputc.s
Normal file
@ -0,0 +1,117 @@
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;
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; Ullrich von Bassewitz, 06.08.1998
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;
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; void cputcxy (unsigned char x, unsigned char y, char c);
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; void cputc (char c);
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;
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.export _cputcxy, _cputc, cputdirect, putchar
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.export newline, plot
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.import popa, _gotoxy
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.import PLOT
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.importzp tmp3,tmp4
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.include "pcengine.inc"
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_cputcxy:
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pha ; Save C
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jsr popa ; Get Y
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jsr _gotoxy ; Set cursor, drop x
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pla ; Restore C
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; Plot a character - also used as internal function
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_cputc: cmp #$0d ; CR?
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bne L1
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lda #0
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sta CURS_X
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beq plot ; Recalculate pointers
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L1: cmp #$0a ; LF?
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beq newline ; Recalculate pointers
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; Printable char of some sort
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cputdirect:
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jsr putchar ; Write the character to the screen
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; Advance cursor position
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advance:
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ldy CURS_X
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iny
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cpy #xsize
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bne L3
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jsr newline ; new line
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ldy #0 ; + cr
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L3: sty CURS_X
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jmp plot
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;rts
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newline:
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; lda #xsize
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; clc
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; adc SCREEN_PTR
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; sta SCREEN_PTR
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; bcc L4
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; inc SCREEN_PTR+1
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;; clc
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;L4:; lda #xsize
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; adc CRAM_PTR
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; sta CRAM_PTR
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; bcc L5
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; inc CRAM_PTR+1
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;L5:
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inc CURS_Y
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; jmp plot
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; rts
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; Set cursor position, calculate RAM pointers
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plot: ldy CURS_X
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ldx CURS_Y
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clc
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jmp PLOT ; Set the new cursor
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; Write one character to the screen without doing anything else, return X
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; position in Y
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putchar:
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ora RVS ; Set revers bit
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tax
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st0 #VDC_MAWR ; Memory Adress Write
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lda SCREEN_PTR
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staio VDC_DATA_LO
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lda SCREEN_PTR+1
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staio VDC_DATA_HI
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st0 #VDC_VWR ; VWR
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txa
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staio VDC_DATA_LO ; character
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;;st2 #$32 ; attrib ?!
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lda CHARCOLOR
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|
||||
;;lda #2
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||||
asl a
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||||
asl a
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||||
asl a
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||||
asl a
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||||
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and #$f0
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ora #$02
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staio VDC_DATA_HI
|
||||
|
||||
rts
|
||||
233
libsrc/pcengine/crt0.s
Normal file
233
libsrc/pcengine/crt0.s
Normal file
@ -0,0 +1,233 @@
|
||||
;
|
||||
; Startup code for cc65 (PCEngine version)
|
||||
;
|
||||
; by Groepaz/Hitmen <groepaz@gmx.net>
|
||||
; based on code by Ullrich von Bassewitz <uz@cc65.org>
|
||||
;
|
||||
; This must be the *first* file on the linker command line
|
||||
;
|
||||
|
||||
.export _exit
|
||||
.import initlib, donelib
|
||||
.import push0, _main, zerobss
|
||||
.import initheap
|
||||
.import tmp1,tmp2,tmp3
|
||||
|
||||
.import __RAM_START__, __RAM_SIZE__ ; Linker generated
|
||||
;; .import __SRAM_START__, __SRAM_SIZE__ ; Linker generated
|
||||
.import __ROM0_START__, __ROM0_SIZE__ ; Linker generated
|
||||
.import __ROM_START__, __ROM_SIZE__ ; Linker generated
|
||||
.import __STARTUP_LOAD__,__STARTUP_RUN__, __STARTUP_SIZE__ ; Linker generated
|
||||
.import __CODE_LOAD__,__CODE_RUN__, __CODE_SIZE__ ; Linker generated
|
||||
.import __RODATA_LOAD__,__RODATA_RUN__, __RODATA_SIZE__ ; Linker generated
|
||||
.import __DATA_LOAD__,__DATA_RUN__, __DATA_SIZE__ ; Linker generated
|
||||
.import __BSS_SIZE__
|
||||
|
||||
.include "pcengine.inc"
|
||||
|
||||
.importzp sp
|
||||
.importzp ptr1,ptr2
|
||||
|
||||
; ------------------------------------------------------------------------
|
||||
; Create an empty LOWCODE segment to avoid linker warnings
|
||||
|
||||
.segment "LOWCODE"
|
||||
|
||||
; ------------------------------------------------------------------------
|
||||
; Place the startup code in a special segment.
|
||||
|
||||
.segment "STARTUP"
|
||||
|
||||
start:
|
||||
|
||||
; setup the CPU and System-IRQ
|
||||
|
||||
; Initialize CPU
|
||||
|
||||
sei
|
||||
nop
|
||||
csh
|
||||
nop
|
||||
cld
|
||||
nop
|
||||
|
||||
; Setup stack and memory mapping
|
||||
ldx #$FF ; Stack top ($21FF)
|
||||
txs
|
||||
txa
|
||||
tam #0 ; 0000-1FFF = Hardware page
|
||||
|
||||
lda #$F8
|
||||
tam #1 ; 2000-3FFF = Work RAM
|
||||
|
||||
lda #$F7
|
||||
tam #2 ; 4000-5FFF = Save RAM
|
||||
|
||||
lda #1
|
||||
tam #3 ; 6000-7FFF Page 2
|
||||
lda #2
|
||||
tam #4 ; 8000-9FFF Page 3
|
||||
lda #3
|
||||
tam #5 ; A000-BFFF Page 4
|
||||
lda #4
|
||||
tam #6 ; C000-DFFF Page 5
|
||||
|
||||
; Initialize hardware
|
||||
stz TIMER_COUNT ; Timer off
|
||||
lda #$07
|
||||
sta IRQ_MASK ; Interrupts off
|
||||
stz IRQ_STATUS ; Acknowledge timer
|
||||
|
||||
; Clear work RAM
|
||||
stz <$00
|
||||
tii $2000, $2001, $1FFF
|
||||
|
||||
;; i dont know why the heck this one doesnt
|
||||
;; work when called from a constructor :/
|
||||
.import vdc_init
|
||||
jsr vdc_init
|
||||
;; jsr joy_init
|
||||
|
||||
; Turn on background and VD interrupt/IRQ1
|
||||
lda #$05
|
||||
sta IRQ_MASK ; IRQ1=on
|
||||
cli
|
||||
|
||||
; Clear the BSS data
|
||||
|
||||
jsr zerobss
|
||||
|
||||
; Copy the .data segment to RAM
|
||||
|
||||
lda #<(__DATA_LOAD__)
|
||||
;;lda #<(__ROM0_START__ + __STARTUP_SIZE__+ __CODE_SIZE__+ __RODATA_SIZE__)
|
||||
;;lda #<(__ROM_START__ + __CODE_SIZE__+ __RODATA_SIZE__)
|
||||
sta ptr1
|
||||
lda #>(__DATA_LOAD__)
|
||||
;;lda #>(__ROM_START__ + __CODE_SIZE__+ __RODATA_SIZE__)
|
||||
sta ptr1+1
|
||||
lda #<(__DATA_RUN__)
|
||||
;;lda #<(__SRAM_START__)
|
||||
sta ptr2
|
||||
lda #>(__DATA_RUN__)
|
||||
;;lda #>(__SRAM_START__)
|
||||
sta ptr2+1
|
||||
|
||||
ldx #>(__DATA_SIZE__)
|
||||
|
||||
@l2:
|
||||
beq @s1 ; no more full pages
|
||||
|
||||
; copy one page
|
||||
ldy #0
|
||||
@l1:
|
||||
lda (ptr1),y
|
||||
sta (ptr2),y
|
||||
iny
|
||||
bne @l1
|
||||
|
||||
inc ptr1+1
|
||||
inc ptr2+1
|
||||
|
||||
dex
|
||||
bne @l2
|
||||
|
||||
; copy remaining bytes
|
||||
@s1:
|
||||
|
||||
; copy one page
|
||||
ldy #0
|
||||
@l3:
|
||||
lda (ptr1),y
|
||||
sta (ptr2),y
|
||||
iny
|
||||
cpy #<(__DATA_SIZE__)
|
||||
bne @l3
|
||||
|
||||
; setup the stack
|
||||
|
||||
; lda #<(__RAM_START__ + __DATA_SIZE__ + __BSS_SIZE__)
|
||||
lda #<(__RAM_START__+__RAM_SIZE__)
|
||||
sta sp
|
||||
; lda #>(__RAM_START__ + __DATA_SIZE__ + __BSS_SIZE__)
|
||||
lda #>(__RAM_START__+__RAM_SIZE__)
|
||||
sta sp+1 ; Set argument stack ptr
|
||||
|
||||
; Init the Heap
|
||||
jsr initheap
|
||||
|
||||
;jmp *
|
||||
|
||||
; Call module constructors
|
||||
|
||||
jsr initlib
|
||||
; .import initconio
|
||||
; jsr initconio
|
||||
; Pass an empty command line
|
||||
|
||||
|
||||
;jmp *
|
||||
|
||||
jsr push0 ; argc
|
||||
jsr push0 ; argv
|
||||
go:
|
||||
ldy #4 ; Argument size
|
||||
jsr _main ; call the users code
|
||||
|
||||
; Call module destructors. This is also the _exit entry.
|
||||
|
||||
_exit:
|
||||
jsr donelib ; Run module destructors
|
||||
|
||||
; reset the PCEngine
|
||||
|
||||
jmp start
|
||||
|
||||
; ------------------------------------------------------------------------
|
||||
; System V-Blank Interupt
|
||||
; ------------------------------------------------------------------------
|
||||
|
||||
_irq1:
|
||||
pha
|
||||
phx
|
||||
phy
|
||||
|
||||
|
||||
inc _tickcount
|
||||
bne @s
|
||||
inc _tickcount+1
|
||||
@s:
|
||||
|
||||
; Acknowlege interrupt
|
||||
ldaio VDC_CTRL
|
||||
|
||||
ply
|
||||
plx
|
||||
pla
|
||||
rti
|
||||
_irq2:
|
||||
rti
|
||||
_nmi:
|
||||
rti
|
||||
_timer:
|
||||
stz IRQ_STATUS
|
||||
rti
|
||||
|
||||
.export initmainargs
|
||||
initmainargs:
|
||||
rts
|
||||
|
||||
; ------------------------------------------------------------------------
|
||||
; hardware vectors
|
||||
; ------------------------------------------------------------------------
|
||||
.segment "VECTORS"
|
||||
;;.org $fff6
|
||||
|
||||
.word _irq2 ; $fff6 IRQ2 (External IRQ, BRK)
|
||||
.word _irq1 ; $fff8 IRQ1 (VDC)
|
||||
.word _timer ; $fffa Timer
|
||||
.word _nmi ; $fffc NMI
|
||||
.word start ; $fffe reset
|
||||
|
||||
|
||||
|
||||
238
libsrc/pcengine/huc6280.inc
Normal file
238
libsrc/pcengine/huc6280.inc
Normal file
@ -0,0 +1,238 @@
|
||||
|
||||
;
|
||||
; HuC6280 additional opcodes (use with --cpu 65C02)
|
||||
;
|
||||
; WARNING: THIS IS __NOT__ COMPLETE !!!
|
||||
;
|
||||
|
||||
;; lda abs
|
||||
.macro ldaio arg1
|
||||
.byte $ad
|
||||
.word arg1
|
||||
.endmacro
|
||||
;; sta abs
|
||||
.macro staio arg1
|
||||
.byte $8d
|
||||
.word arg1
|
||||
.endmacro
|
||||
.macro stzio arg1
|
||||
.byte $9c
|
||||
.word arg1
|
||||
.endmacro
|
||||
|
||||
.macro cla
|
||||
.byte $62
|
||||
.endmacro
|
||||
.macro clx
|
||||
.byte $82
|
||||
.endmacro
|
||||
|
||||
;; lda (zp)
|
||||
.macro ldaind arg1
|
||||
.byte $b2
|
||||
.byte arg1
|
||||
.endmacro
|
||||
|
||||
.macro cly
|
||||
.byte $c2
|
||||
.endmacro
|
||||
|
||||
.macro st0 arg1
|
||||
.if (.match (.left (1, arg1), #))
|
||||
; called with immidiate operand
|
||||
.byte $03
|
||||
.byte (.right (.tcount (arg1)-1, arg1))
|
||||
.else
|
||||
.error "illegal address mode"
|
||||
.endif
|
||||
.endmacro
|
||||
.macro st1 arg1
|
||||
.if (.match (.left (1, arg1), #))
|
||||
; called with immidiate operand
|
||||
.byte $13
|
||||
.byte (.right (.tcount (arg1)-1, arg1))
|
||||
.else
|
||||
.error "illegal address mode"
|
||||
.endif
|
||||
.endmacro
|
||||
.macro st2 arg1
|
||||
.if (.match (.left (1, arg1), #))
|
||||
; called with immidiate operand
|
||||
.byte $23
|
||||
.byte (.right (.tcount (arg1)-1, arg1))
|
||||
.else
|
||||
.error "illegal address mode"
|
||||
.endif
|
||||
.endmacro
|
||||
|
||||
; tam #$xx
|
||||
.macro tam arg1
|
||||
.if (.match (.left (1, arg1), #))
|
||||
; called with immidiate operand
|
||||
.byte $53
|
||||
.byte 1<<(.right (.tcount (arg1)-1, arg1))
|
||||
.else
|
||||
.error "illegal address mode"
|
||||
.endif
|
||||
.endmacro
|
||||
|
||||
; tii x,y,z
|
||||
.macro tii arg1,arg2,arg3
|
||||
.byte $73
|
||||
.word arg1,arg2,arg3
|
||||
.endmacro
|
||||
|
||||
.macro csh
|
||||
.byte $d4
|
||||
.endmacro
|
||||
.macro set
|
||||
.byte $f4
|
||||
.endmacro
|
||||
.macro _rmb0 arg1
|
||||
.byte $07
|
||||
.byte arg1
|
||||
.endmacro
|
||||
.macro _rmb1 arg1
|
||||
.byte $17
|
||||
.byte arg1
|
||||
.endmacro
|
||||
.macro _rmb2 arg1
|
||||
.byte $27
|
||||
.byte arg1
|
||||
.endmacro
|
||||
.macro _rmb3 arg1
|
||||
.byte $37
|
||||
.byte arg1
|
||||
.endmacro
|
||||
.macro _rmb4 arg1
|
||||
.byte $47
|
||||
.byte arg1
|
||||
.endmacro
|
||||
.macro _rmb5 arg1
|
||||
.byte $57
|
||||
.byte arg1
|
||||
.endmacro
|
||||
.macro _rmb6 arg1
|
||||
.byte $67
|
||||
.byte arg1
|
||||
.endmacro
|
||||
.macro _rmb7 arg1
|
||||
.byte $77
|
||||
.byte arg1
|
||||
.endmacro
|
||||
|
||||
.macro _smb0 arg1
|
||||
.byte $87
|
||||
.byte arg1
|
||||
.endmacro
|
||||
.macro _smb1 arg1
|
||||
.byte $97
|
||||
.byte arg1
|
||||
.endmacro
|
||||
.macro _smb2 arg1
|
||||
.byte $a7
|
||||
.byte arg1
|
||||
.endmacro
|
||||
.macro _smb3 arg1
|
||||
.byte $b7
|
||||
.byte arg1
|
||||
.endmacro
|
||||
.macro _smb4 arg1
|
||||
.byte $c7
|
||||
.byte arg1
|
||||
.endmacro
|
||||
.macro _smb5 arg1
|
||||
.byte $d7
|
||||
.byte arg1
|
||||
.endmacro
|
||||
.macro _smb6 arg1
|
||||
.byte $e7
|
||||
.byte arg1
|
||||
.endmacro
|
||||
.macro _smb7 arg1
|
||||
.byte $f7
|
||||
.byte arg1
|
||||
.endmacro
|
||||
|
||||
.macro _bbr0 arg1,arg2
|
||||
.byte $0f ;;,arg1
|
||||
.byte arg1
|
||||
.byte <((arg2)-(*+1))
|
||||
.endmacro
|
||||
.macro _bbs0 arg1,arg2
|
||||
.byte $8f ;;,arg1
|
||||
.byte arg1
|
||||
.byte <((arg2)-(*+1))
|
||||
.endmacro
|
||||
.macro _bbr1 arg1,arg2
|
||||
.byte $1f ;;,arg1
|
||||
.byte arg1
|
||||
.byte <((arg2)-(*+1))
|
||||
.endmacro
|
||||
.macro _bbs1 arg1,arg2
|
||||
.byte $9f ;;,arg1
|
||||
.byte arg1
|
||||
.byte <((arg2)-(*+1))
|
||||
.endmacro
|
||||
.macro _bbr2 arg1,arg2
|
||||
.byte $2f ;;,arg1
|
||||
.byte arg1
|
||||
.byte <((arg2)-(*+1))
|
||||
.endmacro
|
||||
.macro _bbs2 arg1,arg2
|
||||
.byte $af ;;,arg1
|
||||
.byte arg1
|
||||
.byte <((arg2)-(*+1))
|
||||
.endmacro
|
||||
.macro _bbr3 arg1,arg2
|
||||
.byte $3f ;;,arg1
|
||||
.byte arg1
|
||||
.byte <((arg2)-(*+1))
|
||||
.endmacro
|
||||
.macro _bbs3 arg1,arg2
|
||||
.byte $bf ;;,arg1
|
||||
.byte arg1
|
||||
.byte <((arg2)-(*+1))
|
||||
.endmacro
|
||||
.macro _bbr4 arg1,arg2
|
||||
.byte $4f ;;,arg1
|
||||
.byte arg1
|
||||
.byte <((arg2)-(*+1))
|
||||
.endmacro
|
||||
.macro _bbs4 arg1,arg2
|
||||
.byte $cf ;;,arg1
|
||||
.byte arg1
|
||||
.byte <((arg2)-(*+1))
|
||||
.endmacro
|
||||
.macro _bbr5 arg1,arg2
|
||||
.byte $5f ;;,arg1
|
||||
.byte arg1
|
||||
.byte <((arg2)-(*+1))
|
||||
.endmacro
|
||||
.macro _bbs5 arg1,arg2
|
||||
.byte $df ;;,arg1
|
||||
.byte arg1
|
||||
.byte <((arg2)-(*+1))
|
||||
.endmacro
|
||||
.macro _bbr6 arg1,arg2
|
||||
.byte $6f ;;,arg1
|
||||
.byte arg1
|
||||
.byte <((arg2)-(*+1))
|
||||
.endmacro
|
||||
.macro _bbs6 arg1,arg2
|
||||
.byte $ef ;;,arg1
|
||||
.byte arg1
|
||||
.byte <((arg2)-(*+1))
|
||||
.endmacro
|
||||
.macro _bbr7 arg1,arg2
|
||||
.byte $7f ;;,arg1
|
||||
.byte arg1
|
||||
.byte <((arg2)-(*+1))
|
||||
.endmacro
|
||||
.macro _bbs7 arg1,arg2
|
||||
.byte $ff
|
||||
.byte arg1
|
||||
.byte <((arg2)-(*+1))
|
||||
.endmacro
|
||||
|
||||
|
||||
275
libsrc/pcengine/joytokbd.s
Normal file
275
libsrc/pcengine/joytokbd.s
Normal file
@ -0,0 +1,275 @@
|
||||
;
|
||||
; File generated by cc65 v 2.9.5
|
||||
;
|
||||
.fopt compiler,"cc65 v 2.9.5"
|
||||
.autoimport on
|
||||
.case on
|
||||
.debuginfo off
|
||||
.importzp sp, sreg, regsave, regbank, tmp1, ptr1, ptr2
|
||||
.macpack longbranch
|
||||
.import _joy_masks
|
||||
.import _joy_read
|
||||
.import _clock
|
||||
.export _kbhit
|
||||
.export _cgetc
|
||||
|
||||
.segment "DATA"
|
||||
|
||||
__lastkey:
|
||||
.byte $00
|
||||
__chardelay:
|
||||
.dword $00000000
|
||||
_rptkey:
|
||||
.byte $00
|
||||
|
||||
; ---------------------------------------------------------------
|
||||
; void _getkey (void)
|
||||
; ---------------------------------------------------------------
|
||||
|
||||
.segment "CODE"
|
||||
|
||||
.proc __getkey
|
||||
|
||||
.segment "CODE"
|
||||
|
||||
jsr decsp2
|
||||
ldx #$00
|
||||
lda __lastkey
|
||||
cmp #$00
|
||||
jsr booleq
|
||||
jeq L003F
|
||||
lda #$00
|
||||
jsr _joy_read
|
||||
ldy #$01
|
||||
sta (sp),y
|
||||
ldx #$00
|
||||
lda #$00
|
||||
ldy #$00
|
||||
sta (sp),y
|
||||
ldy #$01
|
||||
ldx #$00
|
||||
lda (sp),y
|
||||
jsr pushax
|
||||
ldx #$00
|
||||
lda _joy_masks+4
|
||||
jsr tosandax
|
||||
stx tmp1
|
||||
ora tmp1
|
||||
jeq L0010
|
||||
ldx #$00
|
||||
lda #$0A
|
||||
ldy #$00
|
||||
sta (sp),y
|
||||
jmp L003A
|
||||
L0010: ldy #$01
|
||||
ldx #$00
|
||||
lda (sp),y
|
||||
jsr pushax
|
||||
ldx #$00
|
||||
lda _joy_masks
|
||||
jsr tosandax
|
||||
stx tmp1
|
||||
ora tmp1
|
||||
jeq L0016
|
||||
ldx #$00
|
||||
lda #$01
|
||||
ldy #$00
|
||||
sta (sp),y
|
||||
jmp L003A
|
||||
L0016: ldy #$01
|
||||
ldx #$00
|
||||
lda (sp),y
|
||||
jsr pushax
|
||||
ldx #$00
|
||||
lda _joy_masks+2
|
||||
jsr tosandax
|
||||
stx tmp1
|
||||
ora tmp1
|
||||
jeq L001C
|
||||
ldx #$00
|
||||
lda #$03
|
||||
ldy #$00
|
||||
sta (sp),y
|
||||
jmp L003A
|
||||
L001C: ldy #$01
|
||||
ldx #$00
|
||||
lda (sp),y
|
||||
jsr pushax
|
||||
ldx #$00
|
||||
lda _joy_masks+3
|
||||
jsr tosandax
|
||||
stx tmp1
|
||||
ora tmp1
|
||||
jeq L0022
|
||||
ldx #$00
|
||||
lda #$04
|
||||
ldy #$00
|
||||
sta (sp),y
|
||||
jmp L003A
|
||||
L0022: ldy #$01
|
||||
ldx #$00
|
||||
lda (sp),y
|
||||
jsr pushax
|
||||
ldx #$00
|
||||
lda _joy_masks+1
|
||||
jsr tosandax
|
||||
stx tmp1
|
||||
ora tmp1
|
||||
jeq L0028
|
||||
ldx #$00
|
||||
lda #$02
|
||||
ldy #$00
|
||||
sta (sp),y
|
||||
jmp L003A
|
||||
L0028: ldy #$01
|
||||
ldx #$00
|
||||
lda (sp),y
|
||||
jsr pushax
|
||||
ldx #$00
|
||||
lda _joy_masks+7
|
||||
jsr tosandax
|
||||
stx tmp1
|
||||
ora tmp1
|
||||
jeq L002E
|
||||
ldx #$00
|
||||
lda #$14
|
||||
ldy #$00
|
||||
sta (sp),y
|
||||
jmp L003A
|
||||
L002E: ldy #$01
|
||||
ldx #$00
|
||||
lda (sp),y
|
||||
jsr pushax
|
||||
ldx #$00
|
||||
lda _joy_masks+5
|
||||
jsr tosandax
|
||||
stx tmp1
|
||||
ora tmp1
|
||||
jeq L0034
|
||||
ldx #$00
|
||||
lda #$15
|
||||
ldy #$00
|
||||
sta (sp),y
|
||||
jmp L003A
|
||||
L0034: ldy #$01
|
||||
ldx #$00
|
||||
lda (sp),y
|
||||
jsr pushax
|
||||
ldx #$00
|
||||
lda _joy_masks+6
|
||||
jsr tosandax
|
||||
stx tmp1
|
||||
ora tmp1
|
||||
jeq L003A
|
||||
ldx #$00
|
||||
lda #$16
|
||||
ldy #$00
|
||||
sta (sp),y
|
||||
L003A: ldy #$00
|
||||
ldx #$00
|
||||
lda (sp),y
|
||||
cmp #$00
|
||||
jsr boolne
|
||||
jeq L003F
|
||||
ldy #$00
|
||||
ldx #$00
|
||||
lda (sp),y
|
||||
jsr pushax
|
||||
ldx #$00
|
||||
lda _rptkey
|
||||
jsr toseqax
|
||||
jeq L0043
|
||||
lda __chardelay+3
|
||||
sta sreg+1
|
||||
lda __chardelay+2
|
||||
sta sreg
|
||||
ldx __chardelay+1
|
||||
lda __chardelay
|
||||
jsr pusheax
|
||||
jsr _clock
|
||||
jsr tosugteax
|
||||
jeq L0043
|
||||
jmp L003F
|
||||
L0043: ldy #$00
|
||||
ldx #$00
|
||||
lda (sp),y
|
||||
sta _rptkey
|
||||
jsr _clock
|
||||
ldy #$06
|
||||
jsr inceaxy
|
||||
sta __chardelay
|
||||
stx __chardelay+1
|
||||
ldy sreg
|
||||
sty __chardelay+2
|
||||
ldy sreg+1
|
||||
sty __chardelay+3
|
||||
ldy #$00
|
||||
ldx #$00
|
||||
lda (sp),y
|
||||
sta __lastkey
|
||||
L003F: jsr incsp2
|
||||
rts
|
||||
|
||||
.endproc
|
||||
|
||||
; ---------------------------------------------------------------
|
||||
; unsigned char __fastcall__ kbhit (void)
|
||||
; ---------------------------------------------------------------
|
||||
|
||||
.segment "CODE"
|
||||
|
||||
.proc _kbhit
|
||||
|
||||
.segment "CODE"
|
||||
|
||||
jsr __getkey
|
||||
ldx #$00
|
||||
lda __lastkey
|
||||
cmp #$00
|
||||
jsr booleq
|
||||
jeq L004E
|
||||
ldx #$00
|
||||
lda #$00
|
||||
jmp L0052
|
||||
jmp L0052
|
||||
L004E: ldx #$00
|
||||
lda #$01
|
||||
jmp L0052
|
||||
L0052: rts
|
||||
|
||||
.endproc
|
||||
|
||||
; ---------------------------------------------------------------
|
||||
; unsigned char __fastcall__ cgetc (void)
|
||||
; ---------------------------------------------------------------
|
||||
|
||||
.segment "CODE"
|
||||
|
||||
.proc _cgetc
|
||||
|
||||
.segment "CODE"
|
||||
|
||||
jsr decsp1
|
||||
L0056: ldx #$00
|
||||
lda __lastkey
|
||||
cmp #$00
|
||||
jsr booleq
|
||||
jeq L0057
|
||||
jsr __getkey
|
||||
jmp L0056
|
||||
L0057: ldx #$00
|
||||
lda __lastkey
|
||||
ldy #$00
|
||||
sta (sp),y
|
||||
ldx #$00
|
||||
lda #$00
|
||||
sta __lastkey
|
||||
ldy #$00
|
||||
ldx #$00
|
||||
lda (sp),y
|
||||
jmp L0055
|
||||
L0055: jsr incsp1
|
||||
rts
|
||||
|
||||
.endproc
|
||||
|
||||
41
libsrc/pcengine/kplot.s
Normal file
41
libsrc/pcengine/kplot.s
Normal file
@ -0,0 +1,41 @@
|
||||
|
||||
.export PLOT
|
||||
|
||||
.include "pcengine.inc"
|
||||
|
||||
PLOT:
|
||||
|
||||
bcs @getpos
|
||||
|
||||
tya
|
||||
clc
|
||||
adc _plotlo,x
|
||||
sta SCREEN_PTR
|
||||
|
||||
lda _plothi,x
|
||||
adc #0
|
||||
sta SCREEN_PTR+1
|
||||
|
||||
;clc
|
||||
;adc _colplot,x
|
||||
;sta CRAM_PTR
|
||||
|
||||
;lda #$23
|
||||
;sta CRAM_PTR+1
|
||||
|
||||
@getpos:
|
||||
ldx CURS_Y
|
||||
ldy CURS_X
|
||||
rts
|
||||
|
||||
_plotlo:
|
||||
.repeat screenrows,line
|
||||
.byte <($0000+(line*$80))
|
||||
.endrepeat
|
||||
|
||||
_plothi:
|
||||
.repeat screenrows,line
|
||||
.byte >($0000+(line*$80))
|
||||
.endrepeat
|
||||
|
||||
|
||||
191
libsrc/pcengine/pce-stdjoy.s
Normal file
191
libsrc/pcengine/pce-stdjoy.s
Normal file
@ -0,0 +1,191 @@
|
||||
|
||||
;
|
||||
; Standard joystick driver for the PCEngine
|
||||
;
|
||||
; Ullrich von Bassewitz, 2002-12-20
|
||||
;
|
||||
|
||||
;;.include "zeropage.inc"
|
||||
|
||||
;;.include "joy-kernel.inc"
|
||||
|
||||
;;.include "joy-error.inc"
|
||||
JOY_ERR_OK=0;
|
||||
.include "pcengine.inc"
|
||||
|
||||
.macpack generic
|
||||
|
||||
; ------------------------------------------------------------------------
|
||||
; Header. Includes jump table
|
||||
|
||||
.segment "CODE"
|
||||
|
||||
; Driver signature
|
||||
|
||||
;; .byte $6A, $6F, $79 ; "joy"
|
||||
;; .byte $00 ; Driver API version number
|
||||
|
||||
; Button state masks (8 values)
|
||||
|
||||
;extern const unsigned char joy_masks[8];
|
||||
|
||||
.export _joy_masks
|
||||
|
||||
_joy_masks:
|
||||
.byte $10 ; JOY_UP
|
||||
.byte $40 ; JOY_DOWN
|
||||
.byte $80 ; JOY_LEFT
|
||||
.byte $20 ; JOY_RIGHT
|
||||
.byte $04 ; ? JOY_FIRE
|
||||
.byte $02 ; ? Future expansion
|
||||
.byte $01 ; ? Future expansion
|
||||
.byte $08 ; ? Future expansion
|
||||
|
||||
; Jump table.
|
||||
|
||||
;; .word INSTALL
|
||||
;; .word DEINSTALL
|
||||
;; .word COUNT
|
||||
;; .word READ
|
||||
|
||||
; ------------------------------------------------------------------------
|
||||
; Constants
|
||||
|
||||
JOY_COUNT = 4 ; Number of joysticks we support
|
||||
|
||||
|
||||
; ------------------------------------------------------------------------
|
||||
; Data.
|
||||
|
||||
|
||||
.code
|
||||
|
||||
|
||||
;extern const char joy_stddrv[];
|
||||
|
||||
.export _joy_stddrv
|
||||
_joy_stddrv:
|
||||
.byte 0
|
||||
|
||||
|
||||
.export _joy_load_driver
|
||||
.export _joy_unload
|
||||
|
||||
;unsigned char __fastcall__ joy_unload (void);
|
||||
;unsigned char __fastcall__ joy_load_driver (const char* driver);
|
||||
_joy_load_driver:
|
||||
_joy_unload:
|
||||
|
||||
; ------------------------------------------------------------------------
|
||||
; 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.
|
||||
;
|
||||
;unsigned char __fastcall__ joy_count (void);
|
||||
|
||||
.export _joy_count
|
||||
|
||||
_joy_count:
|
||||
COUNT:
|
||||
lda #<JOY_COUNT
|
||||
ldx #>JOY_COUNT
|
||||
rts
|
||||
|
||||
; ------------------------------------------------------------------------
|
||||
; READ: Read a particular joystick passed in A.
|
||||
;
|
||||
;unsigned char __fastcall__ joy_read (unsigned char joystick);
|
||||
|
||||
.export _joy_read
|
||||
|
||||
_joy_read:
|
||||
READ:
|
||||
pha
|
||||
jsr read_joy
|
||||
pla
|
||||
tax ; Joystick number into X
|
||||
|
||||
; return value from buffer
|
||||
|
||||
joy1:
|
||||
lda padbuffer,x
|
||||
ldx #0
|
||||
rts
|
||||
|
||||
.code
|
||||
|
||||
read_joy:
|
||||
; reset multitap counter
|
||||
lda #$01
|
||||
sta $1000
|
||||
pha
|
||||
pla
|
||||
nop
|
||||
nop
|
||||
|
||||
lda #$03
|
||||
sta $1000
|
||||
pha
|
||||
pla
|
||||
nop
|
||||
nop
|
||||
|
||||
cly
|
||||
nextpad:
|
||||
lda #$01
|
||||
sta $1000 ; sel = 1
|
||||
pha
|
||||
pla
|
||||
nop
|
||||
nop
|
||||
|
||||
lda $1000
|
||||
asl a
|
||||
asl a
|
||||
asl a
|
||||
asl a
|
||||
sta padbuffer, y ; store new value
|
||||
|
||||
stz $1000
|
||||
pha
|
||||
pla
|
||||
nop
|
||||
nop
|
||||
|
||||
lda $1000
|
||||
and #$0F
|
||||
ora padbuffer, y ; second half of new value
|
||||
|
||||
eor #$FF
|
||||
sta padbuffer, y ; store new value
|
||||
|
||||
iny
|
||||
cpy #$05
|
||||
bcc nextpad
|
||||
rts
|
||||
|
||||
.bss
|
||||
|
||||
padbuffer:
|
||||
.res 4
|
||||
|
||||
74
libsrc/pcengine/pcengine.h
Normal file
74
libsrc/pcengine/pcengine.h
Normal file
@ -0,0 +1,74 @@
|
||||
#define CH_CROSS 0x10
|
||||
|
||||
#define CH_RTEE 0x17
|
||||
#define CH_LTEE 0x0f
|
||||
|
||||
#define CH_ULCORNER 0x10
|
||||
#define CH_URCORNER 0x10
|
||||
#define CH_LLCORNER 0x10
|
||||
#define CH_LRCORNER 0x10
|
||||
|
||||
|
||||
#define TV_NTSC 0
|
||||
#define TV_PAL 1
|
||||
#define get_tv() 0
|
||||
|
||||
#define CLOCKS_PER_SEC 50 // ???
|
||||
#define CLK_TCK 50 // ?!?
|
||||
|
||||
//#ifndef CH_ENTER
|
||||
#define CH_ENTER '\n'
|
||||
//#endif
|
||||
|
||||
#define CH_STOP 0x08
|
||||
|
||||
#define CH_F1 0x14
|
||||
#define CH_F3 0x15
|
||||
#define CH_F5 0x16
|
||||
#define CH_F7 0x17
|
||||
|
||||
#define CH_CURS_UP 0x01
|
||||
#define CH_CURS_DOWN 0x02
|
||||
|
||||
#ifndef CH_CURS_LEFT
|
||||
#define CH_CURS_LEFT 0x03
|
||||
#endif
|
||||
|
||||
#ifndef CH_CURS_RIGHT
|
||||
#define CH_CURS_RIGHT 0x04
|
||||
#endif
|
||||
|
||||
#define CH_ESC 8
|
||||
|
||||
#define CH_DEL 20
|
||||
|
||||
/* Color defines */
|
||||
#define COLOR_BLACK 0x00
|
||||
#define COLOR_WHITE 0x01
|
||||
#define COLOR_RED 0x02
|
||||
#define COLOR_CYAN 0x03
|
||||
#define COLOR_VIOLET 0x04
|
||||
#define COLOR_GREEN 0x05
|
||||
#define COLOR_BLUE 0x06
|
||||
#define COLOR_YELLOW 0x07
|
||||
#define COLOR_ORANGE 0x08
|
||||
#define COLOR_BROWN 0x09
|
||||
#define COLOR_LIGHTRED 0x0A
|
||||
#define COLOR_GRAY1 0x0B
|
||||
#define COLOR_GRAY2 0x0C
|
||||
#define COLOR_LIGHTGREEN 0x0D
|
||||
#define COLOR_LIGHTBLUE 0x0E
|
||||
#define COLOR_GRAY3 0x0F
|
||||
|
||||
#define JOY_FIRE_B 5
|
||||
#define JOY_START 6
|
||||
#define JOY_SELECT 7
|
||||
|
||||
/*
|
||||
void __fastcall__ waitvblank(void);
|
||||
|
||||
unsigned char __fastcall__ cpeekcharxy(unsigned char x,unsigned char y);
|
||||
unsigned char __fastcall__ cpeekchar(void);
|
||||
unsigned char __fastcall__ cpeekcolxy(unsigned char x,unsigned char y);
|
||||
unsigned char __fastcall__ cpeekcol(void);
|
||||
*/
|
||||
75
libsrc/pcengine/pcengine.inc
Normal file
75
libsrc/pcengine/pcengine.inc
Normal file
@ -0,0 +1,75 @@
|
||||
|
||||
.include "huc6280.inc"
|
||||
|
||||
; Write VDC register
|
||||
.macro VREG arg1,arg2
|
||||
st0 #arg1
|
||||
st1 #<(arg2)
|
||||
st2 #>(arg2)
|
||||
.endmacro
|
||||
|
||||
_tickcount= $20
|
||||
|
||||
screenrows = (224/8)
|
||||
charsperline = (512/8)
|
||||
xsize = charsperline
|
||||
|
||||
CH_HLINE = 7
|
||||
CH_VLINE = 7
|
||||
|
||||
CURS_X = $30
|
||||
CURS_Y = $31
|
||||
SCREEN_PTR = $32
|
||||
CRAM_PTR = $34
|
||||
CHARCOLOR = $36
|
||||
RVS = $37
|
||||
BGCOLOR=$38
|
||||
|
||||
; huc6270 - Video Display Controller (vdc)
|
||||
|
||||
VDC_MAWR = 0 ; Memory Address Write Register
|
||||
VDC_MARR = 1 ; Memory Address Read Register
|
||||
VDC_VWR = 2 ; VRAM Write Register
|
||||
VDC_VRR = 3 ; VRAM Read Register
|
||||
VDC_CR = 4 ; Control Register
|
||||
VDC_RCR = 5 ; Raster Counter Register
|
||||
VDC_BXR = 6 ; Background X-Scroll Register
|
||||
VDC_BYR = 7 ; Background Y-Scroll Register
|
||||
VDC_MWR = 8 ; Memory-access Width Register
|
||||
VDC_HSR = 9 ; Horizontal Sync Register (?)
|
||||
VDC_HDR =10 ; Horizontal Display Register (?)
|
||||
VDC_VPR =11 ; (unknown)
|
||||
VDC_VDW =12 ; (unknown use)
|
||||
VDC_VCR =13 ; (unknown use)
|
||||
VDC_DCR =14 ; (DMA) Control Register
|
||||
VDC_SOUR =15 ; (DMA) Source Register
|
||||
VDC_DESR =16 ; (DMA) Destination Register
|
||||
VDC_LENR =17 ; (DMA) Length Register
|
||||
VDC_SATB =18 ; Sprite Attribute Table
|
||||
|
||||
VDC_CTRL = $0000
|
||||
VDC_DATA_LO = $0002
|
||||
VDC_DATA_HI = $0003
|
||||
|
||||
; huc6260 - Video Color Encoder (vce)
|
||||
|
||||
; The DAC has a palette of 512 colours.
|
||||
; bitmap of the palette data is this: 0000000gggrrrbbb.
|
||||
; You can read and write the DAC-registers.
|
||||
|
||||
VCE_CTRL = $0400 ; write$00 to reset
|
||||
VCE_ADDR_LO = $0402 ; LSB of byte offset into palette
|
||||
VCE_ADDR_HI = $0403 ; MSB of byte offset into palette
|
||||
VCE_DATA_LO = $0404 ; LSB of 16-bit palette data
|
||||
VCE_DATA_HI = $0405 ; MSB of 16-bit palette data
|
||||
|
||||
TIMER_COUNT = $0c00
|
||||
TIMER_CTRL = $0c01
|
||||
|
||||
JOY_CTRL = $1000
|
||||
|
||||
IRQ_MASK = $1402
|
||||
IRQ_STATUS = $1403
|
||||
|
||||
CDR_MEM_DISABLE = $1803
|
||||
CDR_MEM_ENABLE = $1807
|
||||
68
libsrc/pcengine/pcengine.x
Normal file
68
libsrc/pcengine/pcengine.x
Normal file
@ -0,0 +1,68 @@
|
||||
MEMORY {
|
||||
|
||||
ZP: start = $00, size = $1A, type = rw, define = yes;
|
||||
|
||||
# INES Cartridge Header
|
||||
#HEADER: start = $0, size = $10, file = %O ,fill = yes;
|
||||
|
||||
# 2 16K ROM Banks
|
||||
# - startup
|
||||
# - code
|
||||
# - rodata
|
||||
# - data (load)
|
||||
# 1 8k CHR Bank
|
||||
ROM0: start = $e000, size = $1ff6, file = %O ,fill = yes, define = yes;
|
||||
# Hardware Vectors at End of 2nd 8K ROM
|
||||
ROMV: start = $fff6, size = $a, file = %O,fill = yes;
|
||||
|
||||
ROM: start = $6000, size = $8000, file = %O, fill = yes,define=yes;
|
||||
|
||||
|
||||
# standard 2k SRAM (-zeropage)
|
||||
# $0100-$0200 cpu stack
|
||||
# $0200-$0500 3 pages for ppu memory write buffer
|
||||
# $0500-$0800 3 pages for cc65 parameter stack
|
||||
#SRAM: start = $0500, size = $0300, define = yes;
|
||||
|
||||
# additional 8K SRAM Bank
|
||||
# - data (run)
|
||||
# - bss
|
||||
# - heap
|
||||
# RAM: start = $2200, size = $1000, define = yes;
|
||||
# RAM2: start = $3200, size = $0e00, define = yes;
|
||||
RAM: start = $2200, size = $1e00, define = yes;
|
||||
|
||||
}
|
||||
SEGMENTS {
|
||||
#HEADER: load = HEADER, type = wprot;
|
||||
|
||||
#aSTARTUP: load = ROM0, type = wprot, define = yes;
|
||||
STARTUP: load = ROM0, type = wprot, define = yes;
|
||||
|
||||
CODE: load = ROM, type = wprot, define = yes;
|
||||
RODATA: load = ROM, type = wprot, define = yes;
|
||||
|
||||
DATA: load = ROM0, run= RAM, type = rw, define = yes;
|
||||
# BSS: load = RAM2, type = bss, define = yes;
|
||||
BSS: load = RAM, type = bss, define = yes;
|
||||
|
||||
VECTORS: load = ROMV, type = rw, define = yes;
|
||||
#CHARS: load = ROM2, type = rw;
|
||||
|
||||
|
||||
ZEROPAGE: load = ZP, type = zp, define = yes;
|
||||
|
||||
}
|
||||
FEATURES {
|
||||
CONDES: segment = STARTUP,
|
||||
type=constructor,
|
||||
label=__CONSTRUCTOR_TABLE__,
|
||||
count=__CONSTRUCTOR_COUNT__;
|
||||
CONDES: segment = STARTUP,
|
||||
type=destructor,
|
||||
label=__DESTRUCTOR_TABLE__,
|
||||
count=__DESTRUCTOR_COUNT__;
|
||||
}
|
||||
SYMBOLS {
|
||||
__STACKSIZE__ = $0300; # 3 pages stack
|
||||
}
|
||||
29
libsrc/pcengine/psg.s
Normal file
29
libsrc/pcengine/psg.s
Normal file
@ -0,0 +1,29 @@
|
||||
|
||||
.include "pcengine.inc"
|
||||
|
||||
.export psg_init
|
||||
|
||||
psg_init:
|
||||
clx
|
||||
stx $0800 ; Select channel
|
||||
psg_clear_loop:
|
||||
stz $0801 ; Clear global balance
|
||||
stz $0802 ; Clear frequency LSB
|
||||
stz $0803 ; Clear frequency MSB
|
||||
stz $0804 ; Clear volume
|
||||
stz $0805 ; Clear balance
|
||||
stz $0807 ; Clear noise control
|
||||
stz $0808 ; Clear LFO frequency
|
||||
stz $0809 ; Clear LFO control
|
||||
|
||||
cly
|
||||
psg_clear_waveform: stz $0806 ; Clear waveform byte
|
||||
iny
|
||||
cpy #$20
|
||||
bne psg_clear_waveform
|
||||
|
||||
inx
|
||||
cpx #$06
|
||||
bne psg_clear_loop
|
||||
rts
|
||||
|
||||
5
libsrc/pcengine/revers.s
Normal file
5
libsrc/pcengine/revers.s
Normal file
@ -0,0 +1,5 @@
|
||||
|
||||
.export _revers
|
||||
_revers:
|
||||
lda #0
|
||||
rts
|
||||
16
libsrc/pcengine/vce.s
Normal file
16
libsrc/pcengine/vce.s
Normal file
@ -0,0 +1,16 @@
|
||||
|
||||
.include "pcengine.inc"
|
||||
.export vce_init
|
||||
|
||||
vce_init:
|
||||
stz VCE_ADDR_LO ;
|
||||
stz VCE_ADDR_HI ; Set CTA to zero
|
||||
ldy #$01
|
||||
vce_clear_bank: ldx #$00
|
||||
vce_clear_color: stz VCE_DATA_LO ; Clear color (LSB)
|
||||
stz VCE_DATA_HI ; Clear color (MSB)
|
||||
dex
|
||||
bne vce_clear_color
|
||||
dey
|
||||
bne vce_clear_bank
|
||||
rts
|
||||
46
libsrc/pcengine/vdc.s
Normal file
46
libsrc/pcengine/vdc.s
Normal file
@ -0,0 +1,46 @@
|
||||
|
||||
.include "pcengine.inc"
|
||||
|
||||
HIRES = 1
|
||||
|
||||
.export vdc_init
|
||||
|
||||
vdc_init:
|
||||
;;lda $0000
|
||||
;;.byte $ad,0,0
|
||||
|
||||
ldaio VDC_CTRL
|
||||
|
||||
VREG $00, $0000 ; MAWR
|
||||
VREG $01, $0000 ; MARR
|
||||
VREG $05, $0000 ; CR
|
||||
VREG $06, $0000 ; RCR
|
||||
VREG $07, $0000 ; BXR
|
||||
VREG $08, $0000 ; BYR
|
||||
VREG $09, $0070 ; MAWR
|
||||
VREG $0C, $1702 ; CRTC - VSR
|
||||
VREG $0D, $00DF ; CRTC - VDS
|
||||
VREG $0E, $000C ; CRTC - VDE
|
||||
VREG $0F, $0000 ; DCR
|
||||
|
||||
.if HIRES
|
||||
|
||||
VREG $0A, $0C02 ; CRTC - HSR
|
||||
VREG $0B, $043C ; CRTC - HDS
|
||||
lda #$06
|
||||
sta VCE_CTRL
|
||||
|
||||
.else
|
||||
|
||||
VREG $0A, $0202 ; CRTC - HSR
|
||||
VREG $0B, $041F ; CRTC - HDS
|
||||
lda #$04
|
||||
sta VCE_CTRL
|
||||
|
||||
.endif
|
||||
|
||||
;;lda $0000
|
||||
;;.byte $ad,0,0
|
||||
|
||||
ldaio VDC_CTRL
|
||||
rts
|
||||
129
libsrc/pcengine/vga.inc
Normal file
129
libsrc/pcengine/vga.inc
Normal file
@ -0,0 +1,129 @@
|
||||
|
||||
.byte $00, $00, $00, $00, $00, $00, $00, $00
|
||||
.byte $7E, $81, $A5, $81, $BD, $99, $81, $7E
|
||||
.byte $7E, $FF, $DB, $FF, $C3, $E7, $FF, $7E
|
||||
.byte $6C, $FE, $FE, $FE, $7C, $38, $10, $00
|
||||
.byte $10, $38, $7C, $FE, $7C, $38, $10, $00
|
||||
.byte $38, $7C, $38, $FE, $FE, $7C, $38, $7C
|
||||
.byte $10, $10, $38, $7C, $FE, $7C, $38, $7C
|
||||
.byte $00, $00, $18, $3C, $3C, $18, $00, $00
|
||||
.byte $FF, $FF, $E7, $C3, $C3, $E7, $FF, $FF
|
||||
.byte $00, $3C, $66, $42, $42, $66, $3C, $00
|
||||
.byte $FF, $C3, $99, $BD, $BD, $99, $C3, $FF
|
||||
.byte $0F, $07, $0F, $7D, $CC, $CC, $CC, $78
|
||||
.byte $3C, $66, $66, $66, $3C, $18, $7E, $18
|
||||
.byte $3F, $33, $3F, $30, $30, $70, $F0, $E0
|
||||
.byte $7F, $63, $7F, $63, $63, $67, $E6, $C0
|
||||
.byte $99, $5A, $3C, $E7, $E7, $3C, $5A, $99
|
||||
.byte $80, $E0, $F8, $FE, $F8, $E0, $80, $00
|
||||
.byte $02, $0E, $3E, $FE, $3E, $0E, $02, $00
|
||||
.byte $18, $3C, $7E, $18, $18, $7E, $3C, $18
|
||||
.byte $66, $66, $66, $66, $66, $00, $66, $00
|
||||
.byte $7F, $DB, $DB, $7B, $1B, $1B, $1B, $00
|
||||
.byte $3E, $63, $38, $6C, $6C, $38, $CC, $78
|
||||
.byte $00, $00, $00, $00, $7E, $7E, $7E, $00
|
||||
.byte $18, $3C, $7E, $18, $7E, $3C, $18, $FF
|
||||
.byte $18, $3C, $7E, $18, $18, $18, $18, $00
|
||||
.byte $18, $18, $18, $18, $7E, $3C, $18, $00
|
||||
.byte $00, $18, $0C, $FE, $0C, $18, $00, $00
|
||||
.byte $00, $30, $60, $FE, $60, $30, $00, $00
|
||||
.byte $00, $00, $C0, $C0, $C0, $FE, $00, $00
|
||||
.byte $00, $24, $66, $FF, $66, $24, $00, $00
|
||||
.byte $00, $18, $3C, $7E, $FF, $FF, $00, $00
|
||||
.byte $00, $FF, $FF, $7E, $3C, $18, $00, $00
|
||||
.byte $00, $00, $00, $00, $00, $00, $00, $00
|
||||
.byte $30, $78, $78, $78, $30, $00, $30, $00
|
||||
.byte $6C, $6C, $6C, $00, $00, $00, $00, $00
|
||||
.byte $6C, $6C, $FE, $6C, $FE, $6C, $6C, $00
|
||||
.byte $30, $7C, $C0, $78, $0C, $F8, $30, $00
|
||||
.byte $00, $C6, $CC, $18, $30, $66, $C6, $00
|
||||
.byte $38, $6C, $38, $76, $DC, $CC, $76, $00
|
||||
.byte $60, $60, $C0, $00, $00, $00, $00, $00
|
||||
.byte $18, $30, $60, $60, $60, $30, $18, $00
|
||||
.byte $60, $30, $18, $18, $18, $30, $60, $00
|
||||
.byte $00, $66, $3C, $FF, $3C, $66, $00, $00
|
||||
.byte $00, $30, $30, $FC, $30, $30, $00, $00
|
||||
.byte $00, $00, $00, $00, $00, $30, $30, $60
|
||||
.byte $00, $00, $00, $FC, $00, $00, $00, $00
|
||||
.byte $00, $00, $00, $00, $00, $30, $30, $00
|
||||
.byte $06, $0C, $18, $30, $60, $C0, $80, $00
|
||||
.byte $7C, $C6, $CE, $DE, $F6, $E6, $7C, $00
|
||||
.byte $30, $70, $30, $30, $30, $30, $FC, $00
|
||||
.byte $78, $CC, $0C, $38, $60, $CC, $FC, $00
|
||||
.byte $78, $CC, $0C, $38, $0C, $CC, $78, $00
|
||||
.byte $1C, $3C, $6C, $CC, $FE, $0C, $1E, $00
|
||||
.byte $FC, $C0, $F8, $0C, $0C, $CC, $78, $00
|
||||
.byte $38, $60, $C0, $F8, $CC, $CC, $78, $00
|
||||
.byte $FC, $CC, $0C, $18, $30, $30, $30, $00
|
||||
.byte $78, $CC, $CC, $78, $CC, $CC, $78, $00
|
||||
.byte $78, $CC, $CC, $7C, $0C, $18, $70, $00
|
||||
.byte $00, $30, $30, $00, $00, $30, $30, $00
|
||||
.byte $00, $30, $30, $00, $00, $30, $30, $60
|
||||
.byte $18, $30, $60, $C0, $60, $30, $18, $00
|
||||
.byte $00, $00, $FC, $00, $00, $FC, $00, $00
|
||||
.byte $60, $30, $18, $0C, $18, $30, $60, $00
|
||||
.byte $78, $CC, $0C, $18, $30, $00, $30, $00
|
||||
.byte $7C, $C6, $DE, $DE, $DE, $C0, $78, $00
|
||||
.byte $30, $78, $CC, $CC, $FC, $CC, $CC, $00
|
||||
.byte $FC, $66, $66, $7C, $66, $66, $FC, $00
|
||||
.byte $3C, $66, $C0, $C0, $C0, $66, $3C, $00
|
||||
.byte $F8, $6C, $66, $66, $66, $6C, $F8, $00
|
||||
.byte $7E, $60, $60, $78, $60, $60, $7E, $00
|
||||
.byte $7E, $60, $60, $78, $60, $60, $60, $00
|
||||
.byte $3C, $66, $C0, $C0, $CE, $66, $3E, $00
|
||||
.byte $CC, $CC, $CC, $FC, $CC, $CC, $CC, $00
|
||||
.byte $78, $30, $30, $30, $30, $30, $78, $00
|
||||
.byte $1E, $0C, $0C, $0C, $CC, $CC, $78, $00
|
||||
.byte $E6, $66, $6C, $78, $6C, $66, $E6, $00
|
||||
.byte $60, $60, $60, $60, $60, $60, $7E, $00
|
||||
.byte $C6, $EE, $FE, $FE, $D6, $C6, $C6, $00
|
||||
.byte $C6, $E6, $F6, $DE, $CE, $C6, $C6, $00
|
||||
.byte $38, $6C, $C6, $C6, $C6, $6C, $38, $00
|
||||
.byte $FC, $66, $66, $7C, $60, $60, $F0, $00
|
||||
.byte $78, $CC, $CC, $CC, $DC, $78, $1C, $00
|
||||
.byte $FC, $66, $66, $7C, $6C, $66, $E6, $00
|
||||
.byte $78, $CC, $E0, $70, $1C, $CC, $78, $00
|
||||
.byte $FC, $30, $30, $30, $30, $30, $30, $00
|
||||
.byte $CC, $CC, $CC, $CC, $CC, $CC, $FC, $00
|
||||
.byte $CC, $CC, $CC, $CC, $CC, $78, $30, $00
|
||||
.byte $C6, $C6, $C6, $D6, $FE, $EE, $C6, $00
|
||||
.byte $C6, $C6, $6C, $38, $38, $6C, $C6, $00
|
||||
.byte $CC, $CC, $CC, $78, $30, $30, $78, $00
|
||||
.byte $FE, $06, $0C, $18, $30, $60, $FE, $00
|
||||
.byte $78, $60, $60, $60, $60, $60, $78, $00
|
||||
.byte $C0, $60, $30, $18, $0C, $06, $02, $00
|
||||
.byte $78, $18, $18, $18, $18, $18, $78, $00
|
||||
.byte $10, $38, $6C, $C6, $00, $00, $00, $00
|
||||
.byte $00, $00, $00, $00, $00, $00, $00, $FF
|
||||
.byte $30, $30, $18, $00, $00, $00, $00, $00
|
||||
.byte $00, $00, $78, $0C, $7C, $CC, $76, $00
|
||||
.byte $E0, $60, $60, $7C, $66, $66, $DC, $00
|
||||
.byte $00, $00, $78, $CC, $C0, $CC, $78, $00
|
||||
.byte $1C, $0C, $0C, $7C, $CC, $CC, $76, $00
|
||||
.byte $00, $00, $78, $CC, $FC, $C0, $78, $00
|
||||
.byte $38, $6C, $60, $F0, $60, $60, $F0, $00
|
||||
.byte $00, $00, $76, $CC, $CC, $7C, $0C, $F8
|
||||
.byte $E0, $60, $6C, $76, $66, $66, $E6, $00
|
||||
.byte $30, $00, $70, $30, $30, $30, $78, $00
|
||||
.byte $0C, $00, $0C, $0C, $0C, $CC, $CC, $78
|
||||
.byte $E0, $60, $66, $6C, $78, $6C, $E6, $00
|
||||
.byte $70, $30, $30, $30, $30, $30, $78, $00
|
||||
.byte $00, $00, $CC, $FE, $FE, $D6, $C6, $00
|
||||
.byte $00, $00, $F8, $CC, $CC, $CC, $CC, $00
|
||||
.byte $00, $00, $78, $CC, $CC, $CC, $78, $00
|
||||
.byte $00, $00, $DC, $66, $66, $7C, $60, $F0
|
||||
.byte $00, $00, $76, $CC, $CC, $7C, $0C, $1E
|
||||
.byte $00, $00, $DC, $76, $66, $60, $F0, $00
|
||||
.byte $00, $00, $7C, $C0, $78, $0C, $F8, $00
|
||||
.byte $10, $30, $7C, $30, $30, $34, $18, $00
|
||||
.byte $00, $00, $CC, $CC, $CC, $CC, $76, $00
|
||||
.byte $00, $00, $CC, $CC, $CC, $78, $30, $00
|
||||
.byte $00, $00, $C6, $D6, $FE, $FE, $6C, $00
|
||||
.byte $00, $00, $C6, $6C, $38, $6C, $C6, $00
|
||||
.byte $00, $00, $CC, $CC, $CC, $7C, $0C, $F8
|
||||
.byte $00, $00, $FC, $98, $30, $64, $FC, $00
|
||||
.byte $1C, $30, $30, $E0, $30, $30, $1C, $00
|
||||
.byte $18, $18, $18, $00, $18, $18, $18, $00
|
||||
.byte $E0, $30, $30, $1C, $30, $30, $E0, $00
|
||||
.byte $76, $DC, $00, $00, $00, $00, $00, $00
|
||||
.byte $00, $10, $38, $6C, $C6, $C6, $FE, $00
|
||||
Loading…
Reference in New Issue
Block a user