we now have lines!

master
bx 2021-08-31 17:32:08 +01:00
parent d5fbe1a89b
commit 481301023e
1 changed files with 43 additions and 13 deletions

View File

@ -136,6 +136,11 @@ end
def label
return $bytes.length + $base_addr
end
# this is a terrible idea and im doing it # this is a terrible idea and im doing it
#$labels = {} #$labels = {}
#def method_missing(m, *args) #def method_missing(m, *args)
@ -148,6 +153,7 @@ end
$base_addr = 0x80010000 # 0x10000 # 0x80010000 $base_addr = 0x80010000 # 0x10000 # 0x80010000
$file_size = 0x800 * 3 $file_size = 0x800 * 3
$gp0 = 0x1F801810 $gp0 = 0x1F801810
$gp1 = 0x1F801814
# # # EXE HEADER # # # # # # EXE HEADER # # #
string "PS-X EXE" string "PS-X EXE"
@ -172,25 +178,49 @@ $bytes = []
# # # PROGRAM CODE # # # # # # PROGRAM CODE # # #
nop ; jmp $base_addr + 16 ; nop ; word 0xdeadbeef nop
# ops should always be in format of # ops should always be in format of
# src [args] -> dest # src [args] -> dest
lwi $gp0, 1 # THIS IS NEEDED
lwi $gp1, t0
lwi 0x03_00_00_00, t1 # display enable
sw t1, 0, t0
lwi $gp0, t0
lwi 0xe1_000000 + 0b0_0_0_1_0_01_00_0_0000, t1
sw t1, 0, t0
# THIS IS NEEDED
lwi 0xe4_000000 + (640) + (480 << 10), t1 # Drawing Area bottom right
sw t1, 0, t0
def line(st, en)
lwi 0x40_ffffff, t1 # monochrome line, color ffffff
sw t1, 0, t0
lwi st, t1 # line vert 1
sw t1, 0, t0
lwi en, t1 # line vert 2
sw t1, 0, t0
end
l_end_loop = label
line 0x0010_0010, 0x0030_0030
line 0x0030_0030, 0x0060_0000
line 0x0060_0000, 0x00f0_0060
nop ; nop ; nop ; nop
nop ; nop ; nop ; nop
nop ; nop ; nop ; nop
nop ; nop ; nop ; nop
# l_end_loop = label
nop nop
jmp l_end_loop
lwi 0x10040, 2
sw 1, 0, 2
nop ; nop ; nop ; nop
nop ; nop ; nop ; nop
nop ; nop ; nop ; nop
nop ; nop ; nop ; nop
jmp $base_addr
nop nop