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simple conio test works again

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This commit is contained in:
mrdudz 2015-07-12 10:32:55 +02:00
parent 877fd532c2
commit 21999b081f
6 changed files with 96 additions and 94 deletions
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25
cfg/pce.cfg
View File

@ -1,5 +1,5 @@
SYMBOLS {
__STACKSIZE__: type = weak, value = $0300; # 3 pages stack
__STACKSIZE__: type = weak, value = $0300; # 3 pages stack
}
MEMORY {
@ -18,7 +18,7 @@ MEMORY {
# 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;
# ROM: start = $6000, size = $8000, file = %O, fill = yes,define=yes;
# standard 2k SRAM (-zeropage)
@ -43,8 +43,8 @@ SEGMENTS {
STARTUP: load = ROM0, type = ro, define = yes;
INIT: load = ROM0, type = ro, define = yes, optional = yes;
CODE: load = ROM, type = ro, define = yes;
RODATA: load = ROM, type = ro, define = yes;
CODE: load = ROM0, type = ro, define = yes;
RODATA: load = ROM0, type = ro, define = yes;
DATA: load = ROM0, run= RAM, type = rw, define = yes;
# BSS: load = RAM2, type = bss, define = yes;
@ -58,12 +58,13 @@ SEGMENTS {
}
FEATURES {
CONDES: segment = STARTUP,
type=constructor,
label=__CONSTRUCTOR_TABLE__,
count=__CONSTRUCTOR_COUNT__;
CONDES: segment = STARTUP,
type=destructor,
label=__DESTRUCTOR_TABLE__,
count=__DESTRUCTOR_COUNT__;
CONDES: segment = STARTUP,
type=constructor,
label=__CONSTRUCTOR_TABLE__,
count=__CONSTRUCTOR_COUNT__;
CONDES: segment = STARTUP,
type=destructor,
label=__DESTRUCTOR_TABLE__,
count=__DESTRUCTOR_COUNT__;
}

16
libsrc/pce/_scrsize.s
View File

@ -2,16 +2,14 @@
; Screen size variables
;
.export _screensize
.export _screensize
_screensize:
ldx xsize
ldy ysize
rts
ldx xsize
ldy ysize
rts
.rodata
.export xsize, ysize
.export xsize, ysize
xsize: .byte 64
ysize: .byte 28
xsize: .byte 64
ysize: .byte 28

128
libsrc/pce/crt0.s
View File

@ -43,56 +43,60 @@ start:
; setup the CPU and System-IRQ
; Initialize CPU
; Initialize CPU
sei
nop
csh
nop
cld
nop
sei
nop
csh ; set high speed CPU mode
nop
cld
nop
; Setup stack and memory mapping
ldx #$FF ; Stack top ($21FF)
txs
txa
tam #0 ; 0000-1FFF = Hardware page
; Setup stack and memory mapping
ldx #$FF ; Stack top ($21FF)
txs
lda #$F8
tam #1 ; 2000-3FFF = Work RAM
; at startup all MPRs are set to 0, so init them
lda #$ff
tam #1 ; 0000-1FFF = Hardware page
lda #$F8
tam #2 ; 2000-3FFF = Work RAM
;lda #$F7
;tam #2 ; 4000-5FFF = Save RAM
;lda #1
;tam #3 ; 6000-7FFF Page 2
;lda #2
;tam #4 ; 8000-9FFF Page 3
;lda #3
;tam #5 ; A000-BFFF Page 4
;lda #4
;tam #6 ; C000-DFFF Page 5
;lda #0
;tam #7 ; e000-fFFF hucard/syscard bank 0
lda #$F7
tam #2 ; 4000-5FFF = Save RAM
; Clear work RAM (2000-3FFF)
stz <$00
tii $2000, $2001, $1FFF
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
; Initialize hardware
stz TIMER_COUNT ; Timer off
lda #$07
sta IRQ_MASK ; Interrupts off
stz IRQ_STATUS ; Acknowledge timer
;; i dont know why the heck this one doesnt
;; work when called from a constructor :/
.import vdc_init
jsr vdc_init
; 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
; Turn on background and VD interrupt/IRQ1
lda #$05
sta IRQ_MASK ; IRQ1=on
cli
; Clear the BSS data
@ -162,8 +166,10 @@ start:
; Call module constructors
jsr initlib
; .import initconio
; jsr initconio
.import initconio
jsr initconio
; Pass an empty command line
@ -189,34 +195,34 @@ _exit:
; ------------------------------------------------------------------------
_irq1:
pha
phx
phy
pha
phx
phy
inc _tickcount
bne @s
inc _tickcount+1
inc _tickcount
bne @s
inc _tickcount+1
@s:
; Acknowlege interrupt
ldaio VDC_CTRL
; Acknowlege interrupt
ldaio VDC_CTRL
ply
plx
pla
rti
ply
plx
pla
rti
_irq2:
rti
rti
_nmi:
rti
rti
_timer:
stz IRQ_STATUS
rti
stz IRQ_STATUS
rti
.export initmainargs
.export initmainargs
initmainargs:
rts
rts
; ------------------------------------------------------------------------
; hardware vectors

5
libsrc/pce/vce.s
View File

@ -1,6 +1,7 @@
.include "pcengine.inc"
.export vce_init
.include "pcengine.inc"
.export vce_init
vce_init:
stz VCE_ADDR_LO ;

14
libsrc/pce/vdc.s
View File

@ -1,15 +1,12 @@
.include "pcengine.inc"
.include "pcengine.inc"
HIRES = 1
.export vdc_init
.export vdc_init
vdc_init:
;;lda $0000
;;.byte $ad,0,0
ldaio VDC_CTRL
ldaio VDC_CTRL
VREG $00, $0000 ; MAWR
VREG $01, $0000 ; MARR
@ -39,8 +36,5 @@ vdc_init:
.endif
;;lda $0000
;;.byte $ad,0,0
ldaio VDC_CTRL
ldaio VDC_CTRL
rts

2
libsrc/pce/vga.inc
View File

@ -1,4 +1,6 @@
; VGA charset for the PC-Engine conio implementation
.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