mirror of https://github.com/zxdos/zxuno.git
920831ce69
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| .. | ||
| CONFIG | ||
| KEYMAPS | ||
| NMI | ||
| AUTOBOOT.BAS | ||
| BDIR.KO | ||
| BETADISK.SYS | ||
| BFILE.KO | ||
| CUSTOM | ||
| CUSTOM.ASM | ||
| CUSTOM.ZDSP | ||
| ERRMSG.KO | ||
| ESXDOS.SYS | ||
| NMI.INC | ||
| NMI.PUBLICS | ||
| NMI.SYS | ||
| NMI_HELP.SCR | ||
| README.TXT | ||
| RTC.SYS | ||
| TAPE.KO | ||
| TRDBOOT.BIN | ||
| TRDOS54T.KO | ||
| VDISK.KO | ||
README.TXT
; ============================================================================= ; FUNCTIONS ; ============================================================================= ; ----------------------------------------------------------------------------- ; waitKey wait for key or mouse ; ; input: - ; output: a = key pressed ; destroys: af,bc,de,hl ; ----------------------------------------------------------------------------- ; ----------------------------------------------------------------------------- ; readKey read key ; ; input: - ; output: a = key pressed, 0 if none ; destroys: af,bc,de,hl ; ----------------------------------------------------------------------------- ; ----------------------------------------------------------------------------- ; clrScr clear screen lines ; ; input: a = attribute ; b = number of lines to clear ; c = start line ; output: - ; destroys: af,bc,de,hl,af' ; ----------------------------------------------------------------------------- ; ----------------------------------------------------------------------------- ; utoa Converts to asciiz and print at cursor position an unsigned int ; Skips '0' on the left ; Updates cursor coordinates ; ; input: hl = unigned int to convert ; output: - ; destroys: af,bc,de,hl ; ----------------------------------------------------------------------------- ; ----------------------------------------------------------------------------- ; prtDec Print a asciiz string representing a number at cursor position ; Skips '0' on the left ; Updates cursor coordinates ; ; input: hl = pointer to asciiz string ; output: hl = pointer to end of string ; destroys: af,bc,de,hl,af' ; ----------------------------------------------------------------------------- ; ----------------------------------------------------------------------------- ; prStr Print a asciiz string at cursor position ; Updates cursor coordinates ; ; input: hl = pointer to asciiz string ; output: hl = pointer to end of string ; destroys: af,bc,de,hl,af' ; ----------------------------------------------------------------------------- ; ----------------------------------------------------------------------------- ; prChr Print a character at cursor ; Updates cursor coordinates ; ; Based on code by Andrew Owen in a thread on WoSF. ; Based on code by Tony Samuels from Your Spectrum issue 13, April ; 1985. A channel wrapper for the 64-column display driver. ; ; input: a = char to print ; output: - ; destroys: af,bc,de,hl,af' ; ----------------------------------------------------------------------------- ; ============================================================================= ; VARIABLES ; ============================================================================= NMIbuf word pointer to NMI_BUFFER savedSP word SP register saved on NMI navigator entry divRAM word number of 8k RAM pages found on divXXX esxDOSv byte version of esxDOS '5' version is 0.8.5 '6' version is 0.8.6 flg128k byte copy of NMI_BUFFER RAM Size (0=16k,1=48k,2=128k) bDName bytes selected (at cursor) file/dirname asciiz string bDAttr byte selected (at cursor) file/dirname attributes (like MS-DOS) bit 4 (1=directory, 0=file) ovrBuf word address of overlay buffer ; ============================================================================= ; CONSTANTS ; ============================================================================= SIZ_OVR size of overlay buffer COL_MID attributes of mid zone COL_TOP attributes of top line COL_BOT attributes of bottom line COL_CUR attributes of cursor line COL_ERR attributes of error message ; ============================================================================= ; esxDOS STRUCTURES ; ============================================================================= ; ---------- ; NMI_BUFFER ; ---------- ; ; Offset Size Description ; ---------------------------------------------------------------------------- ; 0 1 byte I <- 48k SNA, 27 bytes ; 1 8 word HL',DE',BC',AF' ; 9 10 word HL,DE,BC,IY,IX ; 19 1 byte Interrupt (bit 2 contains IFF2, 1=EI/0=DI) ; 20 1 byte R ; 21 4 words AF,SP ; 25 1 byte IntMode (0=IM0/1=IM1/2=IM2) ; 26 1 byte BorderColor (0..7) ; ; v0.8.0, v0.8.5 ; ; 27 2 word PC (Program Counter) <- 128k SNA, 4 bytes ; 29 1 byte RAM bank paged in @ $c000 ; 30 1 byte TR-DOS (SNA file format) ; 30 1 byte RAM Size (0=16k,1=48k,2=128k) <- CONFLICT !!! ; ; v0.8.6 ; ; 27 1 byte RAM Size (0=16k,1=48k,2=128k) ; 28 2 word PC (Program Counter) <- 128k SNA, 4 bytes ; 30 1 byte RAM bank paged in @ $c000 ; 31 1 byte TR-DOS (SNA file format) ;