mirror of
https://github.com/cc65/cc65.git
synced 2024-06-07 23:29:39 +00:00
5c5d01d84a
in the distribution. Added --forget-inc-paths to the command line of the assembler in the Makefiles, because the assembler does now have builtin paths and will find include files from an installation first. Hopefully fixed any problems that arose from the two changes. git-svn-id: svn://svn.cc65.org/cc65/trunk@4223 b7a2c559-68d2-44c3-8de9-860c34a00d81
111 lines
1.9 KiB
PHP
111 lines
1.9 KiB
PHP
;
|
|
; Zeropage and I/O definitions for the CBM 610
|
|
;
|
|
; Taken from a kernal disassembly done by myself in 1987.
|
|
;
|
|
; Ullrich von Bassewitz, 28.09.1998
|
|
|
|
|
|
; ---------------------------------------------------------------------------
|
|
; Zeropage registers
|
|
|
|
ExecReg = $00
|
|
IndReg = $01
|
|
|
|
; ---------------------------------------------------------------------------
|
|
; Screen size
|
|
|
|
XSIZE = 80
|
|
YSIZE = 25
|
|
|
|
; ---------------------------------------------------------------------------
|
|
; I/O definitions
|
|
|
|
|
|
; I/O $d800: CRTC 6545
|
|
|
|
.struct CRTC
|
|
ADDR .byte
|
|
DATA .byte
|
|
.endstruct
|
|
|
|
; I/O $db00: CIA 6526 Inter Process Communication
|
|
;
|
|
; IPCcia = $db00
|
|
|
|
.struct CIA
|
|
PRA .byte
|
|
PRB .byte
|
|
DDRA .byte
|
|
DDRB .byte
|
|
.union
|
|
.struct
|
|
TALO .byte
|
|
TAHI .byte
|
|
.endstruct
|
|
TA .word
|
|
.endunion
|
|
.union
|
|
.struct
|
|
TBLO .byte
|
|
TBHI .byte
|
|
.endstruct
|
|
TB .word
|
|
.endunion
|
|
TOD10 .byte
|
|
TODSEC .byte
|
|
TODMIN .byte
|
|
TODHR .byte
|
|
SDR .byte
|
|
ICR .byte
|
|
CRA .byte
|
|
CRB .byte
|
|
.endstruct
|
|
|
|
|
|
; I/O $dc00: CIA 6526
|
|
;
|
|
; cia = $dc00
|
|
|
|
|
|
|
|
; I/O $dd00: ACIA 6551
|
|
;
|
|
; acia = $dd00
|
|
|
|
.struct ACIA
|
|
DATA .byte
|
|
STATUS .byte
|
|
CMD .byte
|
|
CTRL .BYTE
|
|
.endstruct
|
|
|
|
|
|
; I/O $de00: Triport #1 6525
|
|
;
|
|
; tpi1 = $de00
|
|
|
|
.struct TPI
|
|
PRA .byte
|
|
PRB .byte
|
|
.union
|
|
PRC .byte
|
|
INT .byte
|
|
.endunion
|
|
DDRA .byte
|
|
DDRB .byte
|
|
.union
|
|
DDRC .byte
|
|
IMR .byte
|
|
.endunion
|
|
CR .byte
|
|
AIR .byte
|
|
.endstruct
|
|
|
|
|
|
; I/O $df00: Triport #2 6525
|
|
|
|
; tpi2 = $df00
|
|
|
|
|