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Minor changes and cleanup

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git-svn-id: svn://svn.cc65.org/cc65/trunk@2796 b7a2c559-68d2-44c3-8de9-860c34a00d81
This commit is contained in:
cuz 2003-12-20 23:38:42 +00:00
parent 68fd981cb5
commit 16f737af65
8 changed files with 27 additions and 75 deletions
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2
libsrc/Makefile
View file

@ -172,7 +172,7 @@ cbm610lib:
done
mv cbm610/crt0.o cbm610.o
cp cbm610/*.emd .
cp cbm610/*.ser .
cp cbm610/cbm610-stdser.ser cbm610-std.ser
#-----------------------------------------------------------------------------
# GEOS on the C64/128

74
libsrc/cbm610/cbm610.inc
View file

@ -7,37 +7,10 @@
; ---------------------------------------------------------------------------
; Zeropage stuff
ExecReg = $0000
IndReg = $0001
FNAM_ADR := $90 ; File name address
FNAM_SEG := $92 ; Unused
ST := $9C ; Status
FNAM_LEN := $9D
LFN := $9E
DEVNUM := $9F
SECADR := $A0
;CharPtr = $C8
;CURS_Y = $CA
;CURS_X = $CB
GrafMode = $CC
LastIndex = $CD
KeyIndex = $D1
Config = $D4
RepeatCount = $D7
RepeatDelay = $D8
ModKey = $E0
NorKey = $E1
; ---------------------------------------------------------------------------
; Page 3 variables
RVS = $0397
KeyBuf = $03AB ; Keyboard buffer
; Zeropage registers
ExecReg = $00
IndReg = $01
; ---------------------------------------------------------------------------
; Screen size
@ -51,37 +24,10 @@ YSIZE = 25
; I/O $d800: CRTC 6545
CRTC = $D800
CRTC_ADDR = $00
CRTC_DATA = $01
; I/O $da00: SID 6581
; sid = $da00
Osc1 = $00
Osc2 = $07
Osc3 = $0e
FreqLo = $00
FreqHi = $01
PulseF = $02
PulseC = $03
OscCtl = $04
AtkDcy = $05
SusRel = $06
FiCtlLo = $15
FiCtlHi = $16
Resonance = $17
Volume = $18
PotX = $19
PotY = $1A
Random = $1B
Env3 = $1C
.struct CRTC
ADDR .byte
DATA .byte
.endstruct
; I/O $db00: CIA 6526 Inter Process Communication
;
@ -118,13 +64,13 @@ Env3 = $1C
; I/O $dc00: CIA 6526
;
; cia = $dc00
; I/O $dd00: ACIA 6551
;
; acia = $dd00
.struct ACIA
@ -136,7 +82,7 @@ Env3 = $1C
; I/O $de00: Triport #1 6525
;
; tpi1 = $de00
.struct TPI

3
libsrc/cbm610/cputc.s
View file

@ -11,7 +11,8 @@
.import _gotoxy
.import popa
.import ktmp: zp, crtc: zp, CURS_X: zp, CURS_Y: zp, CharPtr: zp
.import ktmp: zp, crtc: zp, CURS_X: zp, CURS_Y: zp, RVS: zp
.import CharPtr: zp
.include "cbm610.inc"

3
libsrc/cbm610/extzp.inc
View file

@ -9,5 +9,6 @@
.globalzp sysp1, sysp3, crtc, sid, ipccia, cia, acia, tpi1, tpi2
.globalzp ktab1, ktab2, ktab3, ktab4
.globalzp sysp0, time, segsave, ktmp, CURS_X, CURS_Y, CharPtr
.globalzp sysp0, time, segsave, ktmp, CURS_X, CURS_Y, RVS
.globalzp CharPtr

2
libsrc/cbm610/extzp.s
View file

@ -37,8 +37,10 @@ scanbuf: .byte 0
ktmp: .byte 0
CURS_X: .byte 0
CURS_Y: .byte 0
RVS: .byte 0
CharPtr: .word 0

4
libsrc/cbm610/kreadst.s
View file

@ -16,8 +16,8 @@
jsr sys_bank
sty ktmp ; Save Y register
ldy #ST
lda (sysp0),y ; Load ST from system bank
ldy #$9C ; STATUS
lda (sysp0),y ; Load STATUS from system bank
ldy ktmp
jmp restore_bank ; Will set condition codes on A

11
libsrc/cbm610/ksetnam.s
View file

@ -12,9 +12,8 @@
.import sys_bank, restore_bank
.import sysp0: zp, ktmp: zp
.include "cbm610.inc"
.include "cbm610.inc"
.proc SETNAM
@ -23,7 +22,7 @@
sty ktmp
txa
ldy #FNAM_ADR
ldy #$90 ; FNAM
sta (sysp0),y
lda ktmp
@ -31,10 +30,10 @@
sta (sysp0),y
lda ExecReg ; Assume name is always in this segment
ldy #FNAM_SEG
ldy #$92 ; FNAM_SEG
sta (sysp0),y
ldy #FNAM_LEN
ldy #$9D ; FNAM_LEN
pla
sta (sysp0),y
ldy ktmp

3
libsrc/cbm610/revers.s
View file

@ -6,7 +6,10 @@
.export _revers
.import RVS: zp
.include "cbm610.inc"
.proc _revers