mirror of
https://github.com/irmen/prog8.git
synced 2024-11-29 17:50:35 +00:00
added gfx2.text()
This commit is contained in:
Irmen de Jong
parent
c2a8dc23d0
commit
ab495fe6e1
@ -7,54 +7,7 @@
|
||||
|
||||
|
||||
; TODO this is in development. Add line drawing, circles and discs (like the graphics module has)
|
||||
|
||||
|
||||
;main {
|
||||
;
|
||||
; sub start () {
|
||||
; ubyte[] modes = [0, 1, 128]
|
||||
; ubyte mode
|
||||
; for mode in modes {
|
||||
; gfx2.set_mode(mode)
|
||||
;
|
||||
; gfx2.position(20, 50)
|
||||
; repeat 200 {
|
||||
; gfx2.next_pixel(255)
|
||||
; }
|
||||
;
|
||||
; draw()
|
||||
; cx16.wait(120)
|
||||
; }
|
||||
; }
|
||||
;
|
||||
; sub draw() {
|
||||
; uword offset
|
||||
; ubyte angle
|
||||
; uword x
|
||||
; uword y
|
||||
; when gfx2.active_mode {
|
||||
; 0, 1 -> {
|
||||
; for offset in 0 to 90 step 3 {
|
||||
; for angle in 0 to 255 {
|
||||
; x = $0008+sin8u(angle)/2
|
||||
; y = $0008+cos8u(angle)/2
|
||||
; gfx2.plot(x+offset*2,y+offset, lsb(x+y))
|
||||
; }
|
||||
; }
|
||||
; }
|
||||
; 128 -> {
|
||||
; for offset in 0 to 190 step 6 {
|
||||
; for angle in 0 to 255 {
|
||||
; x = $0008+sin8u(angle)
|
||||
; y = $0008+cos8u(angle)
|
||||
; gfx2.plot(x+offset*2,y+offset, 1)
|
||||
; }
|
||||
; }
|
||||
; }
|
||||
; }
|
||||
; }
|
||||
;}
|
||||
|
||||
; TODO enable text layer too?
|
||||
|
||||
gfx2 {
|
||||
|
||||
@ -64,12 +17,25 @@ gfx2 {
|
||||
uword height = 0
|
||||
ubyte bpp = 0
|
||||
|
||||
sub set_mode(ubyte mode) {
|
||||
const ubyte charset_orig_bank = $0
|
||||
const uword charset_orig_addr = $f800 ; in bank 0, so $0f800
|
||||
const ubyte charset_bank = $1
|
||||
const uword charset_addr = $f000 ; in bank 1, so $1f000
|
||||
|
||||
sub screen_mode(ubyte mode) {
|
||||
; mode 0 = bitmap 320 x 240 x 1c monochrome
|
||||
; mode 1 = bitmap 320 x 240 x 256c
|
||||
; mode 128 = bitmap 640 x 480 x 1c monochrome
|
||||
; ...other modes?
|
||||
|
||||
; copy the lower-case charset to the upper part of the vram, so we can use it later to plot text
|
||||
cx16.screen_set_charset(3, 0)
|
||||
cx16.vaddr(charset_orig_bank, charset_orig_addr, 0, 1)
|
||||
cx16.vaddr(charset_bank, charset_addr, 1, 1)
|
||||
repeat 256*8 {
|
||||
cx16.VERA_DATA1 = cx16.VERA_DATA0
|
||||
}
|
||||
|
||||
when mode {
|
||||
0 -> {
|
||||
; 320 x 240 x 1c
|
||||
@ -116,6 +82,7 @@ gfx2 {
|
||||
bpp = 0
|
||||
}
|
||||
}
|
||||
|
||||
active_mode = mode
|
||||
if bpp
|
||||
clear_screen()
|
||||
@ -170,15 +137,14 @@ gfx2 {
|
||||
}
|
||||
|
||||
sub position(uword x, uword y) {
|
||||
uword address
|
||||
when active_mode {
|
||||
0 -> {
|
||||
address = y*(320/8) + x/8
|
||||
cx16.vaddr(0, address, 0, 1)
|
||||
cx16.r0 = y*(320/8) + x/8
|
||||
cx16.vaddr(0, cx16.r0, 0, 1)
|
||||
}
|
||||
128 -> {
|
||||
address = y*(640/8) + x/8
|
||||
cx16.vaddr(0, address, 0, 1)
|
||||
cx16.r0 = y*(640/8) + x/8
|
||||
cx16.vaddr(0, cx16.r0, 0, 1)
|
||||
}
|
||||
1 -> {
|
||||
void addr_mul_320_add_24(y, x) ; 24 bits result is in r0 and r1L
|
||||
@ -226,6 +192,59 @@ gfx2 {
|
||||
}}
|
||||
}
|
||||
|
||||
sub text(uword x, uword y, ubyte color, uword sctextptr) {
|
||||
; -- Write some text at the given pixel position.
|
||||
; The text string must be in screencode encoding (not petscii!).
|
||||
; NOTE: in monochrome (1bpp) screen modes, x position is currently constrained to mulitples of 8 !
|
||||
uword chardataptr
|
||||
ubyte cy
|
||||
ubyte cb
|
||||
when active_mode {
|
||||
0, 128 -> {
|
||||
; 1-bitplane modes
|
||||
cy = 11<<4 ; auto increment 40
|
||||
if active_mode>=128
|
||||
cy = 12<<4 ; auto increment 80
|
||||
while @(sctextptr) {
|
||||
chardataptr = charset_addr + (@(sctextptr) as uword)*8
|
||||
cx16.vaddr(charset_bank, chardataptr, 1, 1)
|
||||
position(x,y)
|
||||
cx16.VERA_ADDR_H = (cx16.VERA_ADDR_H & %00000111) | cy ; enable auto increment 40 or 80
|
||||
repeat 8 {
|
||||
cx16.VERA_DATA0 = cx16.VERA_DATA1
|
||||
x++
|
||||
}
|
||||
sctextptr++
|
||||
}
|
||||
}
|
||||
1 -> {
|
||||
; 320 x 240 x 256c
|
||||
while @(sctextptr) {
|
||||
chardataptr = charset_addr + (@(sctextptr) as uword)*8
|
||||
cx16.vaddr(charset_bank, chardataptr, 1, 1)
|
||||
repeat 8 {
|
||||
position(x,y)
|
||||
y++
|
||||
%asm {{
|
||||
lda cx16.VERA_DATA1
|
||||
sta P8ZP_SCRATCH_B1
|
||||
ldy #8
|
||||
- lda #0
|
||||
asl P8ZP_SCRATCH_B1
|
||||
adc #0
|
||||
sta cx16.VERA_DATA0
|
||||
dey
|
||||
bne -
|
||||
}}
|
||||
}
|
||||
x+=8
|
||||
y-=8
|
||||
sctextptr++
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
asmsub cs_innerloop640() {
|
||||
%asm {{
|
||||
ldy #80
|
||||
|
||||
@ -268,19 +268,22 @@ asmsub vpeek(ubyte bank @A, uword address @XY) -> ubyte @A {
|
||||
; -- get a byte from VERA's video memory
|
||||
; note: inefficient when reading multiple sequential bytes!
|
||||
%asm {{
|
||||
stz cx16.VERA_CTRL
|
||||
pha
|
||||
lda #1
|
||||
sta cx16.VERA_CTRL
|
||||
pla
|
||||
and #1
|
||||
sta cx16.VERA_ADDR_H
|
||||
sty cx16.VERA_ADDR_M
|
||||
stx cx16.VERA_ADDR_L
|
||||
lda cx16.VERA_DATA0
|
||||
lda cx16.VERA_DATA1
|
||||
rts
|
||||
}}
|
||||
}
|
||||
|
||||
|
||||
asmsub vaddr(ubyte bank @A, uword address @R0, ubyte addrsel @R1, byte incrdecr @Y) {
|
||||
; -- setup the VERA's address register 0 or 1
|
||||
asmsub vaddr(ubyte bank @A, uword address @R0, ubyte addrsel @R1, byte autoIncrOrDecrByOne @Y) {
|
||||
; -- setup the VERA's data address register 0 or 1
|
||||
%asm {{
|
||||
and #1
|
||||
pha
|
||||
|
||||
@ -17,7 +17,7 @@ main {
|
||||
if strlen(diskio.status(8)) {
|
||||
txt.print("enter image file name or just enter for all on disk: ")
|
||||
ubyte i = txt.input_chars(diskio.filename)
|
||||
gfx2.set_mode(1) ; 320*240, 256c
|
||||
gfx2.screen_mode(1) ; 320*240, 256c
|
||||
if i
|
||||
attempt_load(diskio.filename)
|
||||
else
|
||||
@ -28,7 +28,7 @@ main {
|
||||
else
|
||||
txt.print("files are read with sequential file loading.\nin the emulator this currently only works with files on an sd-card image.\nsorry :(\n")
|
||||
|
||||
gfx2.set_mode(255) ; back to default text mode and palette
|
||||
gfx2.screen_mode(255) ; back to default text mode and palette
|
||||
txt.print("that was all folks!\n")
|
||||
}
|
||||
|
||||
@ -109,7 +109,7 @@ main {
|
||||
}
|
||||
|
||||
sub load_error(uword filenameptr) {
|
||||
gfx2.set_mode(255) ; back to default text mode and palette
|
||||
gfx2.screen_mode(255) ; back to default text mode and palette
|
||||
txt.print(filenameptr)
|
||||
txt.print(": load error\n")
|
||||
exit(1)
|
||||
|
||||
@ -6,14 +6,18 @@
|
||||
main {
|
||||
|
||||
sub start () {
|
||||
ubyte[] modes = [0, 1, 128]
|
||||
ubyte[] modes = [128, 0, 1]
|
||||
ubyte mode
|
||||
for mode in modes {
|
||||
gfx2.set_mode(mode)
|
||||
gfx2.screen_mode(mode)
|
||||
draw()
|
||||
ubyte tp
|
||||
for tp in 0 to 15 {
|
||||
gfx2.text(19+tp,20+tp*11, 5, @"ScreenCODE text! 1234![]<>#$%&*()")
|
||||
}
|
||||
cx16.wait(120)
|
||||
}
|
||||
gfx2.set_mode(255)
|
||||
gfx2.screen_mode(255)
|
||||
txt.print("done!\n")
|
||||
}
|
||||
|
||||
|
||||
@ -1,11 +1,23 @@
|
||||
%import test_stack
|
||||
%import gfx2
|
||||
%zeropage basicsafe
|
||||
%option no_sysinit
|
||||
|
||||
main {
|
||||
|
||||
|
||||
sub start () {
|
||||
|
||||
;gfx2.screen_mode(0)
|
||||
gfx2.screen_mode(255)
|
||||
|
||||
uword address
|
||||
for address in gfx2.charset_addr to gfx2.charset_addr+4*8-1 {
|
||||
txt.print_ubbin(cx16.vpeek(gfx2.charset_bank, address),0)
|
||||
txt.chrout('\n')
|
||||
}
|
||||
|
||||
test_stack.test()
|
||||
}
|
||||
|
||||
}
|
||||
|
||||
Loading…
Reference in New Issue
Block a user