6502/acme
1
0
Fork 0
mirror of https://github.com/uffejakobsen/acme.git synced 2025-01-11 13:30:15 +00:00
Code Issues Projects Releases Wiki Activity

ACME_Lib: minor tweaks

Browse Source 
git-svn-id: https://svn.code.sf.net/p/acme-crossass/code-0/trunk@116 4df02467-bbd4-4a76-a152-e7ce94205b78
This commit is contained in:
marcobaye 2019-07-29 14:24:33 +00:00
parent a57a7b6c68
commit c68cefcab0
2 changed files with 17 additions and 6 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

15
ACME_Lib/cbm/264/ted.a
View File

@ -91,7 +91,18 @@ lib_cbm_264_ted_a = 1
tedhorz_SMOOTH = %.....### ; horizontal smooth scroll (std: %000, higher values move text right)
; i/o
ted_keyboard = ted_base + $08 ; keyboard input latch
ted_keyboard = ted_base + $08 ; keyboard input latch (write to trigger sampling, then read input byte)
; to scan keyboard, write output byte to $fd30, then write $ff here (to disable joysticks) and read input byte.
; to scan joysticks, write $ff to $fd30 (to disable keyboard), then write SELECT value here and read input byte.
tedjoy1_SELECT = %#####.## ; d2 low selects joy #1
tedjoy2_SELECT = %######.# ; d1 low selects joy #2
; CAUTION, the joystick bits are low-active, so invert input byte before using these:
tedjoy2_FIRE = %#.......
tedjoy1_FIRE = %.#......
tedjoy_RIGHT = %....#...
tedjoy_LEFT = %.....#..
tedjoy_DOWN = %......#.
tedjoy_UP = %.......#
; interrupts
ted_irq = ted_base + $09 ; interrupt request register (write back its value to acknowledge interrupt)
@ -114,7 +125,7 @@ lib_cbm_264_ted_a = 1
ted_hwcursor_lo = ted_base + $0d ; hardware cursor offset (low byte)
; sound
; to calculated the register values:
; to calculate the register values:
; NTSC: reg = 1024 - (111860.781 / frequency_in_Hz)
; PAL: reg = 1024 - (111840.45 / frequency_in_Hz)
ted_sound1_low = ted_base + $0e ; low 8 bits of voice #1 frequency

8
ACME_Lib/cbm/c64/cia2.a
View File

@ -9,11 +9,11 @@ lib_cbm_c64_cia2_a = 1
cia2_pra = cia2_base + cia_port_a
; %7....... DATA in (0 means GND)
; %.6...... CLK in (0 means GND)
; %..5..... DATA out (inverted, 1 means GND)
; %...4.... CLK out (inverted, 1 means GND)
; %....3... ATN out (inverted, 1 means GND)
; %..5..... DATA out (gets inverted, so 1 means GND)
; %...4.... CLK out (gets inverted, so 1 means GND)
; %....3... ATN out (gets inverted, so 1 means GND)
; %.....2.. PA2 (pin M at user port, 0 means GND)
; %......10 VIC bank (inverted, so value %11 means address $0000)
; %......10 VIC bank (gets inverted, so value %11 means address $0000)
cia2_prb = cia2_base + cia_port_b
cia2_ddra = cia2_base + cia_data_direction_a
cia2_ddrb = cia2_base + cia_data_direction_b