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| author | Aryadev Chavali <aryadev@aryadevchavali.com> | 2023-11-02 23:29:50 +0000 |
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| committer | Aryadev Chavali <aryadev@aryadevchavali.com> | 2023-11-02 23:29:50 +0000 |
| commit | 07f64b796d3aa2ca33496df019148d4d9f18eb3e (patch) | |
| tree | 9f00aeaefd659387eaf6ea6949ae40ad7c4fd8b4 /test.asm | |
| parent | 6dfc4ceaeb4090edc199ec894aab4cf6233ce130 (diff) | |
| download | ovm-07f64b796d3aa2ca33496df019148d4d9f18eb3e.tar.gz ovm-07f64b796d3aa2ca33496df019148d4d9f18eb3e.tar.bz2 ovm-07f64b796d3aa2ca33496df019148d4d9f18eb3e.zip | |
Implemented a routine which prints out a buffer of characters and use it
All in my assembly/virtual machine!
Diffstat (limited to 'test.asm')
| -rw-r--r-- | test.asm | 41 |
1 files changed, 22 insertions, 19 deletions
@@ -11,32 +11,35 @@ mset.byte 2 push.reg.word 0 - msize - malloc.stack.byte - mov.word 1 - push.word 0 - mov.word 2 + mov.word 8 push.reg.word 0 - push.reg.word 2 - push.word 1 + call print_cptr + push.reg.word 8 + mdelete + + push.byte '\n' + print.char + + halt + +;;; print_cptr: Prints pointer to a buffer of characters. Pointer +;;; should be on the stack as a word. +print_cptr: + mov.word 0 + push.word 0 + mov.word 1 push.reg.word 0 - msize - sub.word - sub.word + push.reg.word 1 mget.stack.byte - mov.byte 24 + print.char push.reg.word 1 - push.reg.byte 24 - push.reg.word 2 - mset.stack.byte - push.reg.word 2 push.word 1 plus.word - mov.word 2 - push.reg.word 2 + mov.word 1 + push.reg.word 1 push.reg.word 0 msize eq.word not.byte - jump.if.byte 17 - halt + jump.if.byte *-13 + ret |