diff options
| author | Kartik Agaram <vc@akkartik.com> | 2020-12-26 19:13:23 -0800 |
|---|---|---|
| committer | Kartik Agaram <vc@akkartik.com> | 2020-12-26 19:13:23 -0800 |
| commit | 73728ec665e8b128b63c6c633f7c1dd7cfcae2f4 (patch) | |
| tree | b09e704fad0fb64642f7fcb9d7fbb68da0c22d83 /subx_opcodes | |
| parent | 4b26c93e69e13462b7397f860b4f52b12aae2897 (diff) | |
| download | mu-73728ec665e8b128b63c6c633f7c1dd7cfcae2f4.tar.gz | |
7412 - drawing pixels to screen
This works, but colors are unexpected. 0xff isn't white. Lots of colors are black. Perhaps I need to initialize a palette.
Diffstat (limited to 'subx_opcodes')
| -rw-r--r-- | subx_opcodes | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/subx_opcodes b/subx_opcodes index 273c2a88..f8bdc045 100644 --- a/subx_opcodes +++ b/subx_opcodes @@ -80,7 +80,7 @@ Opcodes currently supported by SubX: bf: copy imm32 to EDI (mov) c1: shift rm32 by imm8 bits depending on subop (sal/sar/shl/shr) c3: return from most recent unfinished call (ret) - c6: copy imm8 to r8/m8-at-r32 (mov) + c6: copy imm8 to r8/m8-at-r32 with subop 0 (mov) c7: copy imm32 to rm32 with subop 0 (mov) cd: software interrupt (int) d3: shift rm32 by CL bits depending on subop (sal/sar/shl/shr) |