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| author | Kartik K. Agaram <vc@akkartik.com> | 2021-06-15 08:59:36 -0700 |
|---|---|---|
| committer | Kartik K. Agaram <vc@akkartik.com> | 2021-06-15 08:59:36 -0700 |
| commit | b9fea696871aece599c4ec25ec01ee0c2c00513b (patch) | |
| tree | 377b4346ba41b6ad6c66ad66123dae26d290550c | |
| parent | f99cd767a4a4eb400ebefcf45a7a9dab5137ec6a (diff) | |
| download | mu-b9fea696871aece599c4ec25ec01ee0c2c00513b.tar.gz | |
.
| -rw-r--r-- | 103grapheme.subx | 7 |
1 files changed, 4 insertions, 3 deletions
diff --git a/103grapheme.subx b/103grapheme.subx index ac0cef95..a63e3098 100644 --- a/103grapheme.subx +++ b/103grapheme.subx @@ -19,7 +19,7 @@ draw-grapheme-on-real-screen: # g: grapheme, x: int, y: int, color: int, backgr 55/push-ebp 89/<- %ebp 4/r32/esp # - (draw-grapheme-on-screen-buffer *Video-memory-addr *(ebp+8) *(ebp+0xc) *(ebp+0x10) *(ebp+0x14) *(ebp+0x18) 0x400 0x300) + (draw-grapheme-on-screen-buffer *Video-memory-addr *(ebp+8) *(ebp+0xc) *(ebp+0x10) *(ebp+0x14) *(ebp+0x18) 0x80 0x30) $draw-grapheme-on-real-screen:end: # . epilogue 89/<- %esp 5/r32/ebp @@ -27,8 +27,6 @@ $draw-grapheme-on-real-screen:end: c3/return # 'buffer' here is not a valid Mu type: a naked address without a length. -# 'x' and 'y' are in graphemes -# 'screen-width' and 'screen-height' are in pixels draw-grapheme-on-screen-buffer: # buffer: (addr byte), g: grapheme, x: int, y: int, color: int, background-color: int, screen-width: int, screen-height: int # . prologue 55/push-ebp @@ -39,6 +37,9 @@ draw-grapheme-on-screen-buffer: # buffer: (addr byte), g: grapheme, x: int, y: 52/push-edx 53/push-ebx 56/push-esi + # switch screen-width and screen-height from grapheme to pixel units + c1 4/subop/shift-left *(ebp+20) 3/imm8/log2-font-width + c1 4/subop/shift-left *(ebp+24) 4/imm8/log2-font-height # esi = g 8b/-> *(ebp+0xc) 6/r32/esi # if (g >= 128) return # characters beyond ASCII currently not supported |