snark13
c71e249a4e
First substantive commit: the entire Sprinter C compiler tree on top of
the bare README+gitignore initial commit.
What's in here:
bin/sprinter-cc — driver script invoking SDCC + linker + mkexe
libc/ — Sprinter-specific libc layer over ESTEX/BIOS
(conio, gfx, io, mem, stdio + headers)
runtime/ — crt0 variants (default/small/banked/minimal)
+ heap + bank trampolines
toolchain/ — mkexe (SprintEXE packer, C + tests)
examples/ — 30 demo programs (gfx, file I/O, env, time, …)
lib/Makefile — builds the libc archive (sprinter.lib)
docs/ — converted Sprinter manuals + asm reference samples
third_party/ — solid-c reference compiler dump + sdcc setup script
release_docs/ — packaging / release notes
gitignore overhaul:
• Drop dangerous blanket patterns: *.asm (would hide docs/samples/*.asm)
and *.exe (case-insensitive match was hiding third_party/solid-c/*.EXE
on macOS APFS). Replaced with examples/*/*.{asm,exe,…} and lib/*.lib.
• Restore tracking of toolchain/mkexe/tests/{one,big}.bin — those are
INPUT fixtures, not build outputs.
• Collapse the duplicated SDCC/C/Sdcc sections into one section per
concern (build outputs / vendored / OS-junk).
• Add .sprinter-cc-*/, build/ (catches lib/build/ too), .claude/.
Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com>
43 lines
1.1 KiB
C
43 lines
1.1 KiB
C
/*
|
||
* putchar — emit one character via ESTEX PUTCHAR ($5B).
|
||
*
|
||
* Turbo-C convention: this stdio.h function is the FAST path with NO
|
||
* attribute control. Whatever ESTEX has cached for the cursor cell is
|
||
* used (typically the shell's default colour). Translates '\n' to
|
||
* CR LF for C-string semantics.
|
||
*
|
||
* For coloured output, use putch() / cputs() / cprintf() from <conio.h>
|
||
* — those honour textattr / g_text_attr at the cost of being ~10× slower.
|
||
*
|
||
* SDCC __sdcccall(1): char arg in L (low byte of HL=int). Returns the
|
||
* char in DE (SDCC int return).
|
||
*/
|
||
|
||
#include <stdio.h>
|
||
|
||
int putchar(int c) __naked
|
||
{
|
||
(void)c;
|
||
__asm
|
||
ld a, l ; SDCC __sdcccall(1) int → HL
|
||
push ix
|
||
cp #0x0A
|
||
jr nz, _pc_emit
|
||
ld a, #0x0D ; CR before LF
|
||
push af
|
||
ld c, #0x5B
|
||
rst #0x10
|
||
pop af
|
||
ld a, #0x0A
|
||
_pc_emit:
|
||
push af
|
||
ld c, #0x5B
|
||
rst #0x10
|
||
pop af
|
||
pop ix
|
||
ld e, a
|
||
ld d, #0
|
||
ret
|
||
__endasm;
|
||
}
|