mirror of https://github.com/irmen/prog8.git
124 lines
2.6 KiB
Lua
124 lines
2.6 KiB
Lua
; Prog8 definitions for the Text I/O console routines for the Virtual Machine
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%import conv
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txt {
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sub clear_screen() {
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str @shared sequence = "\x1b[2J\x1B[H"
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%asm {{
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load.w r0, {txt.clear_screen.sequence}
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syscall 3
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}}
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}
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sub nl() {
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txt.chrout('\n')
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}
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sub spc() {
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txt.chrout(' ')
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}
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sub lowercase() {
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; not supported
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}
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sub uppercase() {
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; not supported
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}
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sub chrout(ubyte char) {
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%asm {{
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loadm.b r0, {txt.chrout.char}
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syscall 2
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}}
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}
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sub print (str text) {
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%asm {{
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loadm.w r0, {txt.print.text}
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syscall 3
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}}
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}
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sub print_ub0 (ubyte value) {
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; ---- print the ubyte in A in decimal form, with left padding 0s (3 positions total)
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conv.str_ub0(value)
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print(conv.string_out)
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}
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sub print_ub (ubyte value) {
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; ---- print the ubyte in decimal form, without left padding 0s
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conv.str_ub(value)
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print(conv.string_out)
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}
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sub print_b (byte value) {
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; ---- print the byte in decimal form, without left padding 0s
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conv.str_b(value)
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print(conv.string_out)
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}
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sub print_ubhex (ubyte value, ubyte prefix) {
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; ---- print the ubyte in hex form
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if prefix
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chrout('$')
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conv.str_ubhex(value)
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print(conv.string_out)
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}
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sub print_ubbin (ubyte value, ubyte prefix) {
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; ---- print the ubyte in binary form
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if prefix
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chrout('%')
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conv.str_ubbin(value)
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print(conv.string_out)
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}
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sub print_uwbin (uword value, ubyte prefix) {
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; ---- print the uword in binary form
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if prefix
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chrout('%')
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conv.str_uwbin(value)
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print(conv.string_out)
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}
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sub print_uwhex (uword value, ubyte prefix) {
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; ---- print the uword in hexadecimal form (4 digits)
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if prefix
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chrout('$')
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conv.str_uwhex(value)
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print(conv.string_out)
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}
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sub print_uw0 (uword value) {
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; ---- print the uword value in decimal form, with left padding 0s (5 positions total)
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conv.str_uw0(value)
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print(conv.string_out)
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}
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sub print_uw (uword value) {
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; ---- print the uword in decimal form, without left padding 0s
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conv.str_uw(value)
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print(conv.string_out)
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}
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sub print_w (word value) {
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; ---- print the (signed) word in decimal form, without left padding 0's
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conv.str_w(value)
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print(conv.string_out)
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}
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sub input_chars (uword buffer) -> ubyte {
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; ---- Input a string (max. 80 chars) from the keyboard. Returns length of input. (string is terminated with a 0 byte as well)
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; It assumes the keyboard is selected as I/O channel!
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%asm {{
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loadm.w r0,{txt.input_chars.buffer}
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syscall 6
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return
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}}
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}
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}
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