determining the level of granularity I have with asm symbolic debugging.

This commit is contained in:
2025-08-06 08:44:20 -04:00
parent c052253b0e
commit b9494d219f
15 changed files with 574 additions and 15 deletions
+3 -6
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@@ -4,17 +4,14 @@
"name": "The Usual",
"includePath": [
"${env:AppData}/mips/mips/include",
"${workspaceFolder}/code",
"${workspaceFolder}/toolchain/pcsx-redux/src/mips",
"${workspaceFolder}/toolchain/psyq-4_7/include"
],
"cStandard": "c17",
"defines": [
"__STDC_HOSTED__ = 0"
],
"defines": [
"_DEBUG",
"UNICODE",
"_UNICODE"
"__STDC_HOSTED__ = 0",
"INTELLISENSE_DIRECTIVES=1"
],
"intelliSenseMode": "gcc-x86"
}
+24
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@@ -27,6 +27,30 @@
"tbreak main",
"continue"
]
},
{
"name": "Debug: Hello GPU Psy-Q!",
"type": "gdb",
"request": "attach",
"target": "localhost:3333",
"remote": true,
"cwd": "${workspaceRoot}/build",
"valuesFormatting": "parseText",
"stopAtConnect": true,
"gdbpath": "gdb-multiarch",
"windows": {
"gdbpath": "gdb-multiarch.exe"
},
"osx": {
"gdbpath": "gdb"
},
"executable": "${workspaceRoot}/build/hello_gpu.elf",
"autorun": [
"monitor reset shellhalt",
"load hello_gpu.elf",
"tbreak main",
"continue"
]
}
]
}
+14 -2
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@@ -1,9 +1,21 @@
{
"files.associations": {
"*.rmd": "markdown",
"*.s": "armips",
"*.s": "gas",
"*.asm": "gas",
"stdlib.h": "c",
"libetc.h": "c",
"libgpu.h": "c"
"libgpu.h": "c",
"stddef.h": "c",
"abs.h": "c",
"qsort.h": "c",
"malloc.h": "c",
"convert.h": "c",
"type_traits": "c",
"xlocmon": "c",
"iterator": "c",
"regex": "c",
"dsl.h": "c",
"xlocale": "c"
}
}
+135
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@@ -0,0 +1,135 @@
# Symbol Alias Table
# Instructions
# Load
.macro load_addr p1, p2
la \p1, \p2
.endm
.macro load_imm p1, p2
li \p1, \p2
.endm
.macro load_uimm p1, p2
lui \p1, \p2
.endm
.macro load_word p1, p2
lw \p1, \p2
.endm
# Store
.macro store_word p1, p2
sw \p1, \p2
.endm
# Shift
.macro shift_ll p1, p2, p3
sll \p1, \p2, \p3
.endm
.macro shift_rl p1, p2, p3
srl \p1, \p2, \p3
.endm
.macro shift_ra p1, p2, p3
sra \p1, \p2, \p3
.endm
# Addition
.macro add_s p1, p2, p3
add \p1, \p2, \p3
.endm
.macro add_u p1, p2, p3
add \p1, \p2, \p3
.endm
.macro add_si p1, p2, p3
addi \p1, \p2, \p3
.endm
.macro add_ui p1, p2, p3
addiu \p1, \p2, \p3
.endm
# Subtraction
.macro sub_s p1, p2, p3
sub \p1, \p2, \p3
.endm
.macro sub_u p1, p2, p3
subu \p1, \p2, \p3
.endm
# Multiplication
# Division
.macro div_s p1, p2
div \p1, \p2
.endm
.macro div_u p1, p2
divu \p1, \p2
.endm
.macro mov_from_high p1
mfhi \p1
.endm
.macro mov_from_low p1
mflo \p1
.endm
# Branch
.macro branch_ne_zero p1, p2
bnez \p1, \p2
.endm
.macro branch_equal p1, p2, p3
beq \p1, \p2, \p3
.endm
.macro branch_gt_equal p1, p2, p3
bge \p1, \p2, \p3
.endm
.macro branch_gt p1, p2, p3
bgt \p1, \p2, \p3
.endm
.macro branch_lt p1, p2, p3
blt \p1, \p2, \p3
.endm
# Jump
.macro jump p1
j \p1
.endm
.macro jump_nlink p1
jal \p1
.endm
.macro jump_reg p1
jr \p1
.endm
.macro jump_nreg p1
jalr \p1
.endm
# Registers
# Stack
.equiv rstack_ptr, $sp # I have this but won't really use the alias..
# Temporaries, may be changed by subroutines
.set rtmp_0, $t0
.set rtmp_1, $t1
.set rtmp_2, $t2
.set rtmp_3, $t3
.set rtmp_4, $t4
# Static Variables
.set rstatic_0, $s0
.set rstatic_1, $s1
.set rstatic_2, $s2
.set rstatic_3, $s3
.set rstatic_4, $s4
.set rstatic_5, $s5
.set rstatic_6, $s6
.set rstatic_7, $s7
# Subroutine arguments
.set rarg_0, $a0
.set rarg_1, $a1
.set rarg_2, $a2
.set rarg_3, $a3
# Subroutine return values
.set rret_0, $v0
.set rret_1, $v1
# Subroutine return address when doing a sub
.set rret_addr, $ra
# Data Widths
.set byte, 1
.set word, 4
.macro stack_alloc amount
add_ui $sp, - \amount
.endm
.macro stack_release amount
add_ui $sp, \amount
.endm
+191
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@@ -0,0 +1,191 @@
# GPU Registers
.equiv gpio_port0, 0x1810 # 1F801810h-Write GP0: Send GP0 Commands/Packets (Rendering and VRAM Access)
.equiv gpio_port1, 0x1814 # 1F801814h-Write GP1: Send GP1 Commands (Display Control) (and DMA Control)
# GPU Command Format: [7:8] Command (8-bit), [0:6] Paraemter (24-bit)
.equiv gcmd_offset, 24
.equiv gcmd_Reset, 0b000
.equiv gcmd_Polygon, 0b001
.equiv gcmd_Line, 0b010
.equiv gcmd_Rect, 0b011
.equiv gcmd_VM_to_VM, 0b100
.equiv gcmd_CPU_to_VM, 0b101
.equiv gcmd_VM_to_CPU, 0b110
.equiv gcmd_Environment, 0b111
.equiv gcmd_SetDrawMode, 0xE1
.equiv gcmd_SetTextureWindow, 0xE2
.equiv gcmd_SetDrawArea_TopLeft, 0xE3
.equiv gcmd_SetDrawArea_BotRight, 0xE4
.equiv gcmd_SetDrawOffset, 0xE5
.equiv gcmd_SetMaskBit, 0xE6
.equiv gcmd_ResetCommandBuffer, 0x01
.equiv gcmd_AcknowledgeGPUInterrupt, 0x02
.equiv gcmd_DisplayEnable, 0x03
.equiv gcmd_DMA_Request, 0x04
.equiv gcmd_DispArea_Start, 0x05
.equiv gcmd_HorizontalDisplayRange, 0x06
.equiv gcmd_VerticalDisplayRange, 0x07
.equiv gcmd_DisplayMode, 0x08
.equiv gcmd_SetVramSize, 0x09
.equiv gp_Reset, gcmd_Reset << gcmd_offset
# GP1(03h) - Display Enable
# On: 0x0
# Off: 0x1
.equiv gp_DisplayEnabled, gcmd_DisplayEnable << gcmd_offset | 0x0
.equiv gp_DisplayDisabled, gcmd_DisplayEnable << gcmd_offset | 0x1
# GP1(04h) - DMA Direction / Data Request
# 0-1 DMA Direction (0=Off, 1=FIFO, 2=CPUtoGP0, 3=GPUREADtoCPU) ;GPUSTAT.29-30
# 2-23 Not used (zero)
.equiv gp_DMA_FIFO, 1
.equiv gp_DMA_CPU_to_GPU, 2
.equiv gp_DMA_GPU_to_CPU, 3
.equiv gp_DMA_Request, gcmd_DMA_Request << gcmd_offset
# GP1(06h) - Horizontal Display range (on Screen)
# X2 = X1 + pixels * cycles_per_pix
# 0 - 11 X1 (260h + 0) ; 12bit ; \ counted in video clock units,
# 12 - 23 X2 (260h + 320 * 8) ; 12bit ; / relative to HSYNC
.equiv gp_HorizontalDisplayRange_3168_608, gcmd_HorizontalDisplayRange << gcmd_offset | 0xC60 << 12 | 0x260
# GP1(07h) - Vertical Display range (on Screen)
# 0 - 9 Y1 (NTSC = 88h - (240 / 2), (PAL = A3h - (288 / 2)) ; \ scanline numbers on screen,
# 10 - 19 Y2 (NTSC = 88h + (240 / 2), (PAL = A3h + (288 / 2)) ; / relative to VSYNC
# 20 - 23 Not used (zero)
.equiv gp_VerticalDiplayRange, gcmd_VerticalDisplayRange << gcmd_offset
.equiv gp_VerticalDisplayRange_264_24, gp_VerticalDiplayRange | 264 << 10 | 24
.equiv gp_VerticalDisplayRange_504_24, gp_VerticalDiplayRange | 504 << 10 | 24
# GP1(08h) - Display mode
# 0-1 Horizontal Resolution 1 (0=256, 1=320, 2=512, 3=640) ;GPUSTAT.17-18
# 2 Vertical Resolution (0=240, 1=480, when Bit5=1) ;GPUSTAT.19
# 3 Video Mode (0=NTSC/60Hz, 1=PAL/50Hz) ;GPUSTAT.20
# 4 Display Area Color Depth (0=15bit, 1=24bit) ;GPUSTAT.21
# 5 Vertical Interlace (0=Off, 1=On) ;GPUSTAT.22
# 6 Horizontal Resolution 2 (0=256/320/512/640, 1=368) ;GPUSTAT.16
# 7 Flip screen horizontally (0=Off, 1=On, v1 only) ;GPUSTAT.14
# 8-23 Not used (zero)
.equiv gp_DisplayMode, 0x8 << gcmd_offset
.equiv gp_Disp_HRes_256, 0x0
.equiv gp_Disp_HRes_320, 0x1
.equiv gp_Disp_HRes_512, 0x2
.equiv gp_Disp_HRes_640, 0x3
.equiv gp_Disp_VRes_240, 0x0 << 2
.equiv gp_Disp_VRes_480, 0x1 << 2
.equiv gp_Disp_Color15, 0x0 << 4
.equiv gp_Disp_Color24, 0x1 << 4
.equiv gp_Disp_VInterlace, 0x1 << 5
.equiv gp_DisplayMode_320x240_15bit_NTSC, gp_DisplayMode | gp_Disp_HRes_320 | gp_Disp_VRes_240 | gp_Disp_Color15
.equiv gp_DisplayMOde_640x480_24bbp_NTSC, gp_DisplayMode | gp_Disp_HRes_640 | gp_Disp_VRes_480 | gp_Disp_Color24 | gp_Disp_VInterlace
# GP0(E1h) - Draw Mode setting (aka "Texpage")
# 0 - 3 Texture page X Base (N * 64) (ie. in 64-halfword steps) ; GPUSTAT.0-3
# 4 Texture page Y Base 1 (N * 256) (ie. 0, 256, 512 or 768) ; GPUSTAT.4
# 5 - 6 Semi-transparency (0 = B / 2 + F / 2, 1 = B + F, 2 = B - F, 3 = B + F / 4) ; GPUSTAT.5-6
# 7 - 8 Texture page colors (0 = 4 bit, 1 = 8bit, 2 = 15bit, 3 = Reserved) ; GPUSTAT.7-8
# 9 Dither 24bit to 15bit (0=Off / strip LSBs, 1 = Dither Enabled) ; GPUSTAT.9
# 10 Drawing to display area (0=Prohibited, 1=Allowed) ; GPUSTAT.10
# 11 Texture page Y Base 2 (N * 512) (only for 2 MB VRAM) ; GPUSTAT.15
# 12 Textured Rectangle X-Flip (BIOS does set this bit on power-up...?)
# 13 Textured Rectangle Y-Flip (BIOS does set it equal to GPUSTAT.13...?)
# 14 - 23 Not used (should be 0)
# 24 - 31 Command (E1h)
.equiv gp_SetDisplayMode_DrawAllowed, 10
.equiv gp_SetDisplayMode_DipArea, gcmd_SetDrawMode << gcmd_offset | 0x1 << gp_SetDisplayMode_DrawAllowed
# GP0(E3h) - Set Drawing Area top left (X1,Y1)
# GP0(E4h) - Set Drawing Area bottom right (X2,Y2)
# Sets the drawing area corners. The Render commands GP0(20h..7Fh)
# are automatically clipping any pixels that are outside of this region.
# 0 - 9 X-coordinate (0..1023)
# 10 - 18 Y-coordinate (0..511) ; \ on v0 GPU (max 1 MB VRAM)
# 19 - 23 Not used (zero) ; /
# 10 - 19 Y-coordinate (0..1023) ; \ on v2 GPU (max 2 MB VRAM)
# 20 - 23 Not used (zero) ; /
# 24 - 31 Command (Exh)
.equiv gp_SetArea_TopLeft, gcmd_SetDrawArea_TopLeft << gcmd_offset
.equiv gp_SetArea_BottomRight, gcmd_SetDrawArea_BotRight << gcmd_offset
# GP0(E5h) - Set Drawing Offset (X,Y)
# 0-9 X-coordinate (0..1023)
# 10-18 Y-coordinate (0..511) ;\on v0 GPU (max 1 MB VRAM)
# 19-23 Not used (zero) ;/
# 10-19 Y-coordinate (0..1023) ;\on v2 GPU (max 2 MB VRAM)
# 20-23 Not used (zero) ;/
# 24-31 Command (Exh)
.equiv gp_SetOffset, gcmd_SetDrawOffset << gcmd_offset
# GPU Memory Transfer Commands
# GP0(02h) Fill Vram
# GP0(02h) - Fill Rectangle in VRAM
# 1st Color+Command (CcBbGgRrh) ;24bit RGB value (see note)
# 2nd Top Left Corner (YyyyXxxxh) ;Xpos counted in halfwords, steps of 10h
# 3rd Width+Height (YsizXsizh) ;Xsiz counted in halfwords, steps of 10h
# Fills the area in the frame buffer with the value in RGB.
# Horizontally the filling is done in 16-pixel (32-bytes) units (see below masking/rounding).
# The "Color" parameter is a 24bit RGB value, however, the actual fill data is 16bit:
# The hardware automatically converts the 24bit RGB value to 15bit RGB (with bit15=0).
# Fill is NOT affected by the Mask settings (acts as if Mask.Bit0,1 are both zero).
.equiv gp_RectFillVM, 0x02 << gcmd_offset
# GP0(A0h) - Copy Rectangle (CPU to VRAM)
# Transfers data from CPU to frame buffer.
# If the number of halfwords to be sent is odd, an extra halfword should be sent,
# as packets consist of 32bits words. The transfer is affected by Mask setting.
# 1st Command (Cc000000h)
# 2nd Destination Coord (YyyyXxxxh) ;Xpos counted in halfwords
# 3rd Width+Height (YsizXsizh) ;Xsiz counted in halfwords
# ... Data (...) <--- usually transferred via DMA
.equiv gp_Blit_VM_VM, gcmd_VM_to_VM << gcmd_offset
.equiv gp_Blit_CPU_VM, gcmd_CPU_to_VM << gcmd_offset
.equiv gp_Blit_VM_CPU, gcmd_VM_to_CPU << gcmd_offset
# GPU Render Polygon Commands
# When the upper 3 bits of the first GP0 command are set to 1 (001),
# then the command can be decoded using the following bitfield:
# bit number value meaning
# 31-29 001 polygon render
# 28 1/0 gouraud / flat shading
# 27 1/0 4 / 3 vertices
# 26 1/0 textured / untextured
# 25 1/0 semi-transparent / opaque
# 24 1/0 raw texture / modulation
# 23-0 rgb first color value.
.equiv gp_Poly_FirstColor, 0
.equiv gp_Poly_RawTexture, 1 << 24
.equiv gp_Poly_SemiTrans, 1 << 25
.equiv gp_Poly_Textured, 1 << 26
.equiv gp_Poly_Quad, 1 << 27
.equiv gp_Poly_Tri, 0 << 27
.equiv gp_Poly_ShadeFlat, 0 << 28
.equiv gp_Poly_ShadeGourand, 1 << 28
.equiv gp_Polygon, 1 << 29
.equiv gp_Quad, gp_Polygon | gp_Poly_Quad
.equiv gp_b10_X, 0
.equiv gp_b10_Y, 10
.equiv gp_b16_X, 0
.equiv gp_b16_Y, 16
.equiv gp_pixel16, (2 * byte)
.equiv gp_pixel24, (3 * byte)
.equiv gp_vec2, word
.macro gp_push_pak port, reg_scratch, packet
load_imm \reg_scratch, \packet
store_word \reg_scratch, \port
.endm
.macro gcmd_push port, reg_scratch, cmd
load_imm \reg_scratch, \cmd
store_word \reg_scratch, \port
.endm
+1
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@@ -0,0 +1 @@
.equiv IO_BASE_ADDR, 0x1F80
+72
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@@ -0,0 +1,72 @@
#ifdef INTELLISENSE_DIRECTIVES
# pragma once
#endif
typedef unsigned char U8;
typedef signed char S8;
typedef unsigned short U16;
typedef signed short S16;
typedef unsigned int U32;
typedef signed int S32;
typedef unsigned char BYTE;
typedef unsigned int USIZE;
typedef signed int SSIZE;
typedef S8 B8;
typedef S16 B16;
typedef S32 B32;
enum {
false = 0,
true = 1,
true_overflow,
};
#define glue_impl(A, B) A ## B
#define glue(A, B) glue_impl(A, B)
#define stringify_impl(S) #S
#define stringify(S) stringify_impl(S)
#define tmpl(prefix, type) prefix ## _ ## type
#define alignas _Alignas
#define alignof _Alignof
#define byte_pad(amount, ...) Byte glue(_PAD_, __VA_ARGS__) [amount]
#define farray_len(array) (SSIZE)sizeof(array) / size_of( typeof((array)[0]))
#define farray_init(type, ...) (type[]){__VA_ARGS__}
#define def_farray(type, len) type A ## len ## _ ## type[len]
#define def_enum(underlying_type, symbol) underlying_type symbol; enum symbol
#define def_struct(symbol) struct symbol symbol; struct symbol
#define def_union(symbol) union symbol symbol; union symbol
#define fn(symbol) symbol
#define opt_args(symbol, ...) &(symbol){__VA_ARGS__}
#define ret_type(type) type
#define local_persist static
#define global static
#define offset_of(type, member) cast(SSIZE, & (((type*) 0)->member))
#define static_assert _Static_assert
#define typeof __typeof__
#define typeof_ptr(ptr) typeof(ptr[0])
#define typeof_same(a, b) _Generic((a), typeof((b)): 1, default: 0)
#define cast(type, data) ((type)(data))
#define pcast(type, data) * cast(type*, & (data))
#define nullptr cast(void*, 0)
#define size_of(data) cast(SSIZE, sizeof(data))
#define kilo(n) (cast(SSIZE, n) << 10)
#define mega(n) (cast(SSIZE, n) << 20)
#define giga(n) (cast(SSIZE, n) << 30)
#define tera(n) (cast(SSIZE, n) << 40)
#define range_iter(type, iter, m_begin, op, m_end) \
tmpl(Iter_Range,type) iter = { \
.r = {(m_begin), (m_end)}, \
.cursor = (m_begin) }; \
iter.cursor op iter.r.end; \
++ iter.cursor
#define def_range(type) \
def_struct(tmpl( Range,type)) { type begin; type end; }; \
typedef def_struct(tmpl(Iter_Range,type)) { tmpl(Range,type) r; type cursor; }
typedef def_range(S32);
typedef def_range(U32);
typedef def_range(SSIZE);
typedef void fn(VoidFn) (void);
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@@ -0,0 +1,88 @@
#ifdef INTELLISENSE_DIRECTIVES
# pragma once
# include "dsl.h"
#endif
typedef def_enum(U32, gp_Commands) {
gcmd_Reset = 0b000,
gcmd_Polygon = 0b001,
gcmd_Line = 0b010,
gcmd_Rect = 0b011,
gcmd_VM_to_VM = 0b100,
gcmd_CPU_to_VM = 0b101,
gcmd_VM_to_CPU = 0b110,
gcmd_Environment = 0b111,
gcmd_SetDrawMode = 0xE1,
gcmd_SetTextureWindow = 0xE2,
gcmd_SetDrawArea_TopLeft = 0xE3,
gcmd_SetDrawArea_BotRight = 0xE4,
gcmd_SetDrawOffset = 0xE5,
gcmd_SetMaskBit = 0xE6,
gcmd_ResetCommandBuffer = 0x01,
gcmd_AcknowledgeGPUInterrupt = 0x02,
gcmd_DisplayEnable = 0x03,
gcmd_DMA_Request = 0x04,
gcmd_DispArea_Start = 0x05,
gcmd_HorizontalDisplayRange = 0x06,
gcmd_VerticalDisplayRange = 0x07,
gcmd_DisplayMode = 0x08,
gcmd_SetVramSize = 0x09,
};
#define gpio_port0 0x1810
#define gpio_port1 0x1814
#define gcmd_offset 24
#define gp_Reset (gcmd_Reset << gcmd_offset)
#define gp_DisplayEnabled (gcmd_DisplayEnable << gcmd_offset | 0x0)
#define gp_DisplayDisabled (gcmd_DisplayEnable << gcmd_offset | 0x1)
#define gp_DMA_FIFO 1
#define gp_DMA_CPU_to_GPU 2
#define gp_DMA_GPU_to_CPU 3
#define gp_DMA_Request (gcmd_DMA_Request << gcmd_offset)
#define gp_HorizontalDisplayRange_3168_608 (gcmd_HorizontalDisplayRange << gcmd_offset | 0xC60 << 12 | 0x260)
#define gp_VerticalDiplayRange (gcmd_VerticalDisplayRange << gcmd_offset)
#define gp_VerticalDisplayRange_264_24 (gp_VerticalDiplayRange | 264 << 10 | 24)
#define gp_VerticalDisplayRange_504_24 (gp_VerticalDiplayRange | 504 << 10 | 24)
#define gp_DisplayMode (gcmd_DisplayMode << gcmd_offset)
#define gp_Disp_HRes_256 (0x0)
#define gp_Disp_HRes_320 (0x1)
#define gp_Disp_HRes_512 (0x2)
#define gp_Disp_HRes_640 (0x3)
#define gp_Disp_VRes_240 (0x0 << 2)
#define gp_Disp_VRes_480 (0x1 << 2)
#define gp_Disp_Color15 (0x0 << 4)
#define gp_Disp_Color24 (0x1 << 4)
#define gp_Disp_VInterlace (0x1 << 5)
#define gp_DisplayMode_320x240_15bit_NTSC (gp_DisplayMode | gp_Disp_HRes_320 | gp_Disp_VRes_240 | gp_Disp_Color15)
#define gp_DisplayMOde_640x480_24bbp_NTSC (gp_DisplayMode | gp_Disp_HRes_640 | gp_Disp_VRes_480 | gp_Disp_Color24 | gp_Disp_VInterlace)
#define gp_DrawMode_DrawAllowed 10
#define gp_SetDrawMode_DrawAllowed (gcmd_SetDrawMode << gcmd_offset | 0x1 << gp_DrawMode_DrawAllowed)
#define gp_SetArea_TopLeft (gcmd_SetDrawArea_TopLeft << gcmd_offset)
#define gp_SetArea_BottomRight (gcmd_SetDrawArea_BotRight << gcmd_offset)
typedef BYTE gp_Pixel16[1];
typedef BYTE gp_Pixel24[3];
#define gp_b10_X 0
#define gp_b10_Y 10
#define gp_b16_X 0
#define gp_b16_Y 16
typedef def_struct(gp_Vec2) {
U16 x;
U16 y;
};
extern void gp_screen_init();
+23
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@@ -0,0 +1,23 @@
.include "./toolchain/pcsx-redux/src/mips/common/crt0/crt0.s"
.include "./asmdd/dsl.asm"
.include "./asmdd/io.asm"
.include "./asmdd/gp.asm"
#.section .text.gp, "ax, @progbits"
#.align 2
.global gp_screen_init
.type gp_screen_init, @function
gp_screen_init:
.equiv rio_offset, rtmp_0
load_imm rtmp_0, IO_BASE_ADDR
#define gp0 gpio_port0(rio_offset)
#define gp1 gpio_port1(rio_offset)
gcmd_push gp1, rtmp_1, gp_Reset
nop; nop;
gcmd_push gp1, rtmp_1, gp_DisplayEnabled
jump_reg rret_addr; nop
.Lgp_screen_init_end:
.size gp_screen_init, . - gp_screen_init
+15 -1
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@@ -1,6 +1,20 @@
#include <stdlib.h>
// #include <stdlib.h>
#include "duffle/dsl.h"
#include "duffle/gp.h"
#define ScreenRes_X 320
#define ScreenRes_Y 240
#define ScreenRes_CenterX (ScreenRes_X >> 1)
#define ScreenRes_CenterY (ScreenRes_Y >> 1)
int main(void)
{
gp_screen_init();
while (1)
{
};
return 0;
}
-3
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@@ -1,3 +0,0 @@
.include "./toolchain/pcsx-redux/src/mips/common/crt0/crt0.s"
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+1
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@@ -55,3 +55,4 @@ scoop install lua
![clear!](./docs/assets/pcsx-redux.main_2025-08-03_18-02-08.png)
![traingles!](./docs/assets/pcsx-redux.main_2025-08-03_19-28-22.png)
![polys!](./docs/assets/pcsx-redux.main_2025-08-03_20-45-35.png)
![hello_psyq!](./docs/assets/pcsx-redux_2025-08-05_23-01-19.png)
+7 -3
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@@ -106,6 +106,7 @@ function assemble-unit { param(
$assemble_args += $user_assemble_args
$assemble_args += '-x', 'assembler-with-cpp'
$assemble_args += $f_compile, $unit, ($f_output + $link_module)
write-host "Assembling '$unit' -> '$link_module'" -ForegroundColor Cyan
@@ -264,17 +265,18 @@ function build-hello_psyqo {
}
# build-hello_psyqo
function build-double_buffer {
function build-graphis_hello {
$includes += @()
$path_module = join-path $path_code 'graphics_hello_psyq'
$src_asm = join-path $path_module 'hello_gpu.s'
$src_asm = join-path $path_module 'hello_gpu.asm'
$module_asm = join-path $path_build 'hello_gpu.o'
$assemble_args = @()
$assemble_args += $f_debug
$assemble_args += $f_optimize_none
$assemble_args += ($f_include + $path_code)
assemble-unit $src_asm $module_asm $includes $assemble_args
$src_c = join-path $path_module 'hello_gpu.c'
@@ -284,14 +286,16 @@ function build-double_buffer {
$compile_args += $f_debug
$compile_args += $f_optimize_none
# $compile_args += $f_optimize_size
$compile_args += ($f_include + $path_code)
compile-unit $src_c $module_c $includes $compile_args
$elf = join-path $path_build 'hello_gpu.elf'
$exe = join-path $path_build 'hello_gpu.ps-exe'
$link_args = @()
$link_args += $f_debug
# $link_args += $f_optimize_size
link-modules @($module_asm, $module_c) $elf $link_args
make-binary $elf $exe
}
build-double_buffer
build-graphis_hello