6502/cc65
1
0
Fork 0
mirror of https://github.com/cc65/cc65.git synced 2025-01-08 20:31:31 +00:00
Code Issues Projects Releases Wiki Activity

Added the model-specific addresses that the CBM exec() needs.

Browse Source
This commit is contained in:
Greg King 2013-08-25 00:43:23 -04:00
parent 172ce14349
commit d0fb1fe0ae
9 changed files with 60 additions and 11 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

1
asminc/c128.inc
View File

@ -6,6 +6,7 @@
; ---------------------------------------------------------------------------
; Zero page, Commodore stuff
TXTPTR := $3D ; Pointer into BASIC source code
TIME := $A0 ; 60HZ clock
FNAM_LEN := $B7 ; Length of filename
SECADR := $B9 ; Secondary address

1
asminc/c64.inc
View File

@ -6,6 +6,7 @@
; ---------------------------------------------------------------------------
; Zero page, Commodore stuff
TXTPTR := $7A ; Pointer into BASIC source code
TIME := $A0 ; 60 HZ clock
FNAM_LEN := $B7 ; Length of filename
SECADR := $B9 ; Secondary address

20
asminc/cbm510.inc
View File

@ -3,7 +3,8 @@
;
; Taken from a kernal disassembly done by myself in 2000/2001.
;
; Ullrich von Bassewitz, 13.09.2001
; 2001-09-13, Ullrich von Bassewitz
; 2013-08-23, Greg King
;-----------------------------------------------------------------------------
@ -12,6 +13,8 @@
ExecReg = $00
IndReg = $01
TXTPTR := $85 ; Far pointer into BASIC source code
; ---------------------------------------------------------------------------
; Screen size
@ -21,7 +24,7 @@ YSIZE = 25
;-----------------------------------------------------------------------------
; I/O Definitions
; I/O $d800: VIC
; I/O $d800: VIC-II
VIC_SPR0_X = $00
VIC_SPR0_Y = $01
@ -75,7 +78,6 @@ VIC_BG_COLOR2 = $23
VIC_BG_COLOR3 = $24
; I/O $da00: SID 6581
SID_S1Lo = $00
@ -112,7 +114,7 @@ SID_Noise = $1B
SID_Read3 = $1C
; I/O $db00: CIA 6526 Inter Process Communication
; I/O $db00: CIA 6526, Inter Process Communication
; I/O $dc00: CIA 6526
.struct CIA
@ -176,7 +178,13 @@ SID_Read3 = $1C
.endstruct
; Out video memory address
;-----------------------------------------------------------------------------
; Our video memory address
COLOR_RAM = $D400 ; System bank
COLOR_RAM := $D400 ; System bank
;-----------------------------------------------------------------------------
BASIC_BUF := $FB5E ; Bank 0 location of command-line
BASIC_BUF_LEN = 162 ; Maximum length of command-line

14
asminc/cbm610.inc
View File

@ -9,8 +9,10 @@
; ---------------------------------------------------------------------------
; Zeropage stuff
ExecReg = $00
IndReg = $01
ExecReg := $00
IndReg := $01
TXTPTR := $85 ; Far pointer into BASIC source code
; ---------------------------------------------------------------------------
; Screen size
@ -29,7 +31,8 @@ YSIZE = 25
DATA .byte
.endstruct
; I/O $db00: CIA 6526 Inter Process Communication
; I/O $db00: CIA 6526, Inter Process Communication
;
; IPCcia = $db00
@ -68,7 +71,6 @@ YSIZE = 25
; cia = $dc00
; I/O $dd00: ACIA 6551
;
; acia = $dd00
@ -108,3 +110,7 @@ YSIZE = 25
; tpi2 = $df00
;-----------------------------------------------------------------------------
BASIC_BUF := $FA5E ; Bank 1 location of command-line
BASIC_BUF_LEN = 162 ; Maximum length of command-line

4
asminc/pet.inc
View File

@ -7,6 +7,7 @@
; Zero page, Commodore stuff
MEMSIZE := $34 ; Size of memory installed
TXTPTR := $77 ; Pointer into BASIC source code
TIME := $8D ; 60HZ clock
KEY_COUNT := $9E ; Number of keys in input buffer
RVS := $9F ; Reverse flag
@ -24,6 +25,9 @@ SCR_LINELEN := $D5 ; Screen line length
CURS_Y := $D8 ; Cursor row
FNADR := $DA ; Pointer to file name
BASIC_BUF := $200 ; Location of command-line
BASIC_BUF_LEN = 81 ; Maximum length of command-line
KEY_BUF := $26F ; Keyboard buffer
;----------------------------------------------------------------------------

1
asminc/plus4.inc
View File

@ -7,6 +7,7 @@
; Zero page, Commodore stuff
TMPPTR := $22 ; Temporary ptr used by BASIC
TXTPTR := $3B ; Pointer into BASIC source code
TIME := $A3 ; 60HZ clock
FNAM_LEN := $AB ; Length of filename
LFN := $AC ; Logical file number

1
asminc/vic20.inc
View File

@ -6,6 +6,7 @@
; ---------------------------------------------------------------------------
; Zero page, Commodore stuff
TXTPTR := $7A ; Pointer into BASIC source code
TIME := $A0 ; 60HZ clock
FNAM_LEN := $B7 ; Length of filename
SECADR := $B9 ; Secondary address

28
libsrc/cbm/execvars.s Normal file
View File

@ -0,0 +1,28 @@
;
; Platform-specific variables for the exec program-chaining function
;
.if .defined (__C128__)
.include "c128.inc"
.elseif .defined (__C16__)
.include "c16.inc"
.elseif .defined (__C64__)
.include "c64.inc"
.elseif .defined (__CBM510__)
.include "cbm510.inc"
.elseif .defined (__CBM610__)
.include "cbm610.inc"
.elseif .defined (__PET__)
.include "pet.inc"
.elseif .defined (__PLUS4__)
.include "plus4.inc"
.else
.include "vic20.inc"
.endif
.export _txtptr:zp, _basbuf, _basbuf_len:zp
_txtptr := TXTPTR
_basbuf := BASIC_BUF
_basbuf_len = BASIC_BUF_LEN

1
libsrc/pet/mainargs.s
View File

@ -13,7 +13,6 @@
MAXARGS = 10 ; Maximum number of arguments allowed
REM = $8f ; BASIC token-code
NAME_LEN = 16 ; maximum length of command-name
BASIC_BUF= $200
;---------------------------------------------------------------------------