6502/cc65
1
0
Fork 0
mirror of https://github.com/cc65/cc65.git synced 2024-06-07 07:29:33 +00:00
Code Issues Projects Releases Wiki Activity

fixed more flaws found by greg :)

Browse Source
This commit is contained in:
mrdudz 2015-09-19 15:37:39 +02:00
parent 088a25437d
commit 859604407b
14 changed files with 58 additions and 15 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

9
asminc/pce.inc
View File

@ -2,15 +2,6 @@
; PCE definitions. By Groepaz/Hitmem.
;
; FIXME: optimize zeropage usage
CURS_X = $30
CURS_Y = $31
SCREEN_PTR = $32 ;2
CHARCOLOR = $34
RVS = $35
BGCOLOR = $36
tickcount = $37 ;4
; FIXME: screen dimensions my change according to selected video mode
screenrows = (224/8)
charsperline = 61

4
cfg/pce.cfg
View File

@ -6,7 +6,7 @@ SYMBOLS {
MEMORY {
# FIXME: is this correct? the first 3? bytes cant be used?
ZP: start = $03, size = $1A, type = rw, define = yes;
ZP: start = $03, size = $fd, type = rw, define = yes;
# reset-bank and hardware vectors
ROM0: start = $e000, size = $1ff6, file = %O ,fill = yes, define = yes;
@ -25,6 +25,8 @@ SEGMENTS {
BSS: load = RAM, type = bss, define = yes;
VECTORS: load = ROMV, type = rw, define = yes;
ZEROPAGE: load = ZP, type = zp, define = yes;
EXTZP: load = ZP, type = zp, define = yes, optional = yes;
APPZP: load = ZP, type = zp, define = yes, optional = yes;
}
FEATURES {

1
libsrc/pce/clock.s
View File

@ -3,6 +3,7 @@
;
.include "pce.inc"
.include "extzp.inc"
.export _clock
.importzp sreg

8
libsrc/pce/clrscr.s
View File

@ -1,6 +1,8 @@
.include "pce.inc"
.include "extzp.inc"
.import PLOT
.export _clrscr
_clrscr:
@ -23,7 +25,11 @@ colloop:
dey
bne rowloop
rts
; Go to the home position.
stz CURS_X
stz CURS_Y
jmp PLOT
;-------------------------------------------------------------------------------
; force the init constructor to be imported

6
libsrc/pce/color.s
View File

@ -7,7 +7,8 @@
.export _textcolor, _bgcolor, _bordercolor
.include "pce.inc"
.include "pce.inc"
.include "extzp.inc"
_textcolor:
ldx CHARCOLOR ; get old value
@ -33,9 +34,10 @@ _bgcolor:
_bordercolor:
lda #0
txa
tax
rts
.rodata
.export colors
colors:

1
libsrc/pce/conio.s
View File

@ -1,4 +1,5 @@
.include "pce.inc"
.include "extzp.inc"
.import vce_init
.import psg_init

1
libsrc/pce/cputc.s
View File

@ -12,6 +12,7 @@
.importzp tmp3,tmp4
.include "pce.inc"
.include "extzp.inc"
_cputcxy:
pha ; Save C

3
libsrc/pce/crt0.s
View File

@ -26,6 +26,7 @@
.import __BSS_SIZE__
.include "pce.inc"
.include "extzp.inc"
.importzp sp
.importzp ptr1,ptr2
@ -77,7 +78,7 @@ start:
tii $2000, $2001, $1FFF
; Initialize hardware
stz TIMER_COUNT ; Timer off
stz TIMER_CTRL ; Timer off
lda #$07
sta IRQ_MASK ; Interrupts off
stz IRQ_STATUS ; Acknowledge timer

17
libsrc/pce/extzp.inc Normal file
View File

@ -0,0 +1,17 @@
;
; extzp.inc for the PC-Engine
;
; Groepaz/Hitmen, 2015-11-19
;
; Assembler include file that imports the runtime zero page locations used
; by the PC-Engine runtime, ready for usage in asm code.
;
.global CURS_X: zp
.global CURS_Y: zp
.global SCREEN_PTR: zp
.global CHARCOLOR: zp
.global RVS: zp
.global BGCOLOR: zp
.global tickcount: zp

17
libsrc/pce/extzp.s Normal file
View File

@ -0,0 +1,17 @@
;
; Groepaz/Hitmen, 2015-11-19
;
; zeropage locations for exclusive use by the library
;
.include "extzp.inc"
.segment "EXTZP" : zeropage
CURS_X: .res 1
CURS_Y: .res 1
SCREEN_PTR: .res 2
CHARCOLOR: .res 1
RVS: .res 1
BGCOLOR: .res 1
tickcount: .res 4

1
libsrc/pce/gotoxy.s
View File

@ -6,6 +6,7 @@
.import popa, plot
.include "pce.inc"
.include "extzp.inc"
_gotoxy:
sta CURS_Y ; Set Y

1
libsrc/pce/kplot.s
View File

@ -2,6 +2,7 @@
.export PLOT
.include "pce.inc"
.include "extzp.inc"
PLOT:
bcs @getpos

3
libsrc/pce/revers.s
View File

@ -1,5 +1,6 @@
.include "pce.inc"
.include "pce.inc"
.include "extzp.inc"
.export _revers

1
libsrc/pce/waitvblank.s
View File

@ -3,6 +3,7 @@
;
.include "pce.inc"
.include "extzp.inc"
.export _waitvblank